| USHIO DENKI KABUSHIKI KAISHA Patent applications |
| Patent application number | Title | Published |
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| 20130120717 | DISCHARGE LAMP LIGHTING APPARATUS AND PROJECTOR - A discharge lamp lighting apparatus for lighting a discharge lamp in which an electric discharge medium, which contains xenon, is enclosed in an electric discharge container, and a pair of cathode electrode and anode electrode for main discharge is arranged to face each other, comprises a starter for generating dielectric breakdown in the electric discharge container of a discharge lamp, and a power supply circuit for supplying discharge current to the discharge lamp, wherein the power supply circuit has an output current modulation circuit for modulating the magnitude of current passed through the discharge lamp in at least a lighting steady state, according to a modulation signal, and wherein the output current modulation circuit controls speed of change so as to be 2.6 A or less per millisecond in case the magnitude of the lamp current per square millimeter in a cross section of the cathode electrode decreases. | 05-16-2013 |
| 20130099271 | LIGHT-EMITTING DEVICE AND LIGHTING APPARATUS INCORPORATIONG SAME - A light-emitting device is provided that can extract light in all directions and that has wide directivity. This light-emitting device includes: an elongated bar-shaped package extending sideways, the package being formed such that a plurality of leads are formed integrally with a first resin with part of the leads exposed; a light-emitting element that is fixed onto at least one of the leads and that is electrically connected to at least one of the leads; and a second resin sealing the light-emitting element. In the light-emitting device, the first resin and the second resin are formed of optically transparent resin, and the leads have outer lead portions used for external connection and protruding sideways from both left and right ends of the package. | 04-25-2013 |
| 20130089467 | GENERATION DEVICE, GENERATION METHOD, ANTIBODY CHIP, COMPUTER PROGRAM AND NON-TRANSITORY COMPUTER-READABLE MEDIUM - A generation device and the like for generating long-life antibody chips which can be produced and held in stock is a generation device and the like for generating an antibody chip by binding antibody to a cup, including an antibody solution holder that holds antibody solution having antibody, a buffer solution holder that holds buffer solution, and an injector that injects solution into the cup. The injector has an inlet out of which solution is injected. The injector injects the buffer solution held by the buffer solution holder. The injector injects the antibody solution held by the antibody solution holder with the inlet in the buffer solution in the cup. | 04-11-2013 |
| 20130075697 | ULTRAVIOLET IRRADIATION APPARATUS - Provided is a compact ultraviolet irradiation apparatus which is capable of emitting ultraviolet radiation with high efficiency. | 03-28-2013 |
| 20130070228 | EXPOSURE APPARATUS - An exposure apparatus includes a light emitting unit, a mask stage that holds a mask for forming a pattern on a workpiece and a moving stage that holds the workpiece and has a laser length measuring device. The apparatus further includes an XYθ direction moving mechanism that moves the moving stage within a plane parallel to the workpiece face, and a Z direction moving mechanism that moves the moving stage in a vertical direction. The laser length measuring device measures a distance between the device and a reflection mirror using laser light. A control unit controls the XYθ direction moving mechanism to move the moving stage based on the distance. The reflective mirror is fixed to a structural body that supports the mask stage. | 03-21-2013 |
| 20130051027 | LINEAR LIGHT SOURCE APPARATUS - A linear light source includes an LED, an LED drive circuit substrate disposed on a frame, a flexible substrate on which an electric supply pattern is formed and to which the LED is attached at one end and the LED drive circuit is attached at the other end, a linear light guide and a heat sink. The one end of the flexible substrate is attached to the heat sink. A face of the heat sink covered by the LED and a face of the one end of the flexible substrate are perpendicular to the light guide and to a substrate face of the LED drive circuit substrate, while a face of the other end of the flexible substrate is parallel to the light guide and a substrate face of the LED drive circuit substrate. A bent portion is formed between the two ends of the flexible substrate. | 02-28-2013 |
| 20130043787 | SHORT ARC TYPE DISCHARGE LAMP - A short arc type discharge lamp that includes a body member a light permeable member a pair of an anode and a cathode. The pair of the anode and cathode is arranged with a gap at a focal position of the reflective face. The cathode has a cathode tip portion that is approximately conic and a cathode rod portion. The anode has an anode tip portion that has a tapering portion and a flat tip end portion. Further, an outer diameter of the tip of the anode flat tip end portion is smaller than the outer diameter of the cathode rod portion, and an outer diameter of a back end of the anode tip portion is larger than that of the cathode rod portion. | 02-21-2013 |
| 20130037820 | NITROGEN COMPOUND SEMICONDUCTOR LIGHT EMITTING ELEMENT AND MANUFACTURING METHOD THEREOF - A nitrogen compound semiconductor light emitting element having an n-type layer, an active layer comprising AlGaInN and a p-type layer, emitting ultraviolet radiation with an emission peak wavelength of at most 400 nm and having a high emission intensity as well as a manufacturing method thereof are provided. In the nitrogen compound semiconductor light emitting element of the present invention having an n-type layer, an active layer and a p-type layer, the active layer consists of a nitrogen compound semiconductor layer with an emission peak wavelength of at most 400 nm comprising AlGaN, and the n-type layer has an n-type AlGaN layer comprising AlGaN and a GaN protective layer which does not contain Al and has a thickness of at least 5 nm. The active layer is formed on the protective layer. The manufacturing method comprises processes of growing the n-type AlGaN layer at a high substrate temperature of at least 1000° C.; growing the GaN protective layer of at most 400 nm not containing Al thereon; interrupting the growth process and decreasing the substrate temperature; and forming the active layer on the protective layer at a low substrate temperature of less than 1000° C. | 02-14-2013 |
| 20130026912 | HIGH PRESSURE DISCHARGE LAMP - A high pressure discharge lamp includes a light emission section in which a pair of electrodes is arranged, sealing portions formed from both ends of the light emission section, external leads, and a trigger wire provided near the light emission section. The trigger wire includes a first coil portion, which is wound from a vicinity of a boundary between the light emission section and one of the sealing portions towards an outer end of the one of sealing portions, and a linear stretch-across portion, which extends from the first coil portion near the light emission section towards the external lead extending from an outer end of the other sealing portion and is fixed to the external lead. A second coil portion is formed around the other sealing portion. The wire, which forms the stretch-across portion, is held between the second coil portion and the other sealing portion. | 01-31-2013 |
| 20130020925 | OPTICAL FIBER LIGHT SOURCE APPARATUS - An optical fiber light source apparatus, includes a casing, a discharge lamp accommodated inside the casing, a concave reflection mirror, which holds the discharge lamp, and an optical fiber, which receives light from the reflection mirror. The concave reflection mirror, to which the discharge lamp is fixed, is held by a holding member, which has an approximately rectangular flange portion in a front face thereof and a regulating concave portion formed in a side of the flange portion. A guide is provided on the casing in a direction perpendicular to an optical axis, so that the flange portion of the holding member is slidably engaged with the guide. A pressing member, which is pressed with a bias force toward the regulating concave portion of the flange and engages with the regulating concave portion, is provided on the guide, thereby securing the concave reflection mirror. | 01-24-2013 |
| 20130010282 | ILLUMINANCE DISTRIBUTION DETECTION METHOD IN EXTREME ULTRAVIOLET LIGHT SOURCE APPARATUS AND POSITIONING METHOD OF LIGHT FOCUSING OPTICAL MEANS - A method of detecting an illuminance distribution of light emitted by an extreme ultraviolet (“EUV”) light source apparatus that includes a light condensing optical means. EUV light that is condensed to a condensing point is passed through a detector that is disposed around an optical axis without being detected, and is guided to an exposure unit. EUV light that is not condensed at the middle condensing point and is not guided to the exposure unit is detected by the detector. The illuminance distribution of the light that is not condensed at the middle condensing point is thereby obtained. The illuminance distribution of the light that is condensed at the middle condensing point may be determined, based on a correlation between the illuminance distribution of the light that is not condensed at the middle condensing and the illuminance distribution of the light that is condensed at the middle condensing point. | 01-10-2013 |
| 20130009076 | EXTREME ULTRAVIOLET LIGHT SOURCE AND POSITIONING METHOD OF LIGHT FOCUSING OPTICAL MEANS - In an extreme ultraviolet (“EUV”) light source apparatus, uneven angle distribution images of EUV light are detected prior to an adjustment function by a detector, and angle distribution image data is recorded. Movement data corresponding to the recorded angle distribution image data is also recorded. The movement data corresponds to a movement amount and direction that the optical focusing means is moved from a position in which the angle distribution is even to the position in which the corresponding uneven angle distribution image is obtained. For the adjustment, a current angle distribution property image is detected by the detector and is compared with the uneven angle distribution property image data stored, and image data which is most closely matched with the current angle distribution property is selected. The movement data that corresponds to the selected image data is read out, and the light focusing optical means is moved based thereon. | 01-10-2013 |
| 20120327380 | LIGHT SOURCE APPARATUS - A light source apparatus includes a short-arc-type mercury lamp, a main reflection mirror, a sub-reflection mirror, and an optical element. The sub-reflection mirror surrounds an opening of the ellipsoid main reflection mirror. The sub-reflection mirror reflects a portion of the light emitted from the lamp toward the main reflection mirror. The light reflected by the sub-reflection mirror is reflected toward the main reflection mirror. The optical element is arranged between a second focal point of the main reflection mirror and the sub-reflection mirror. The light reflected by the main reflection mirror and passes through an opening of the sub-reflection mirror is incident upon an incidence-side face of the optical element. The optical element transmits visible light and to reflect ultraviolet light, while the main reflection mirror transmits infrared light and reflects ultraviolet light and visible light and the sub-reflection mirror reflects ultraviolet light and visible light. | 12-27-2012 |
| 20120326058 | COLLECTOR MIRROR ASSEMBLY AND EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE USING SAID COLLECTOR MIRROR ASSEMBLY - A deterioration of the collector performance in an extreme ultraviolet light source device due to a heat deformation of the collector mirror assembly is to be prevented. The collector mirror assembly used in the extreme ultraviolet light source device comprises a plurality of reflective shells | 12-27-2012 |
| 20120313546 | HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE - To maintain the shape of the projection on the electrodes of the tip end for a long time to extend the lifetime of a discharge lamp, a lighting device lighting a high pressure discharge lamp supplies alternating current such that an alternating current with a basic frequency at the time of the steady state lighting selected from a range between 60 and 1000 Hz and a low frequency of a half cycle with a frequency lower than the basic frequency are generated alternatingly. The alternating current is supplied such that the waveform with one polarity of the low frequency appears consecutively at least twice. It is also possible for the alternately generated low frequency to be lower than the basic frequency in a range from 5 to 200 Hz, and for the interval during which the basic frequency is supplied to be gradually increased and decreased at specified times. | 12-13-2012 |
| 20120299504 | DISCHARGE LAMP LIGHTING APPARATUS - In a discharge lamp lighting apparatus comprising a short arc type discharge lamp and a power supply unit, a relation of the natural frequency f | 11-29-2012 |
| 20120286695 | ELECTRIC SUPPLY DEVICE - An electric supply device for a high-pressure discharge lamp comprising: an electric supply device control unit, having a function of switching between a steady lighting mode and a low power lighting mode in which electric power lower than the electric power in the steady lighting mode is supplied to the high pressure discharge lamp. While in the low power lighting mode, predetermined base current is continuously supplied to the high pressure discharge lamp and a current supply command signal is sent so that boost current obtained by superimposing current having a predetermined magnitude on the base current, is periodically supplied thereto, and a luminance control signal for adjusting the luminance of a video signal of the liquid crystal projector apparatus according to a magnitude of the electric power of the high pressure discharge lamp, which is operated responding to the supply of the boost current, is sent. | 11-15-2012 |
| 20120262676 | LIGHT SOURCE DEVICE - In a light source device, in each division of an image frame, two or more of the color lights X, Y and Z (e.g., red, green and blue) can be projected simultaneously. Each of the color lights X, Y and Z is divided into two in terms of time so that synthesized light of one group of division color lights enters a first spatial modulation element. Synthesized light of another group of division color lights enters a second spatial modulation element, whereby gradation of each color light in each of the first and second spatial modulation elements is controlled. | 10-18-2012 |
| 20120262675 | LIGHT SOURCE DEVICE - In a light source device, that obtains high light usage efficiency by projecting simultaneously two or more of three primary color lights X, Y and Z. Moreover, each color light X, Y and Z is divided into two in terms of time so that p-wave and s-wave linear polarization lights are formed, such that the synthesized light of the p-wave linear polarization lights enters a first spatial modulation element and the synthesized light of the s-wave linear polarization lights enters a second spatial modulation element to permit gradation control of each color light. | 10-18-2012 |
| 20120248339 | LIGHT PROCESSING APPARATUS - A light processing apparatus irradiates an ultra violet light through a square or a rectangular light transmitting window onto a work piece that has a square or rectangular pattern formation portion. The apparatus includes a light emitting unit that comprises a casing, an ultraviolet irradiance lamp arranged inside the casing and the light transmitting window member provided in one face of the casing. One side of the light transmitting window and one side of the pattern formation portion are not parallel to each other. | 10-04-2012 |
| 20120243238 | OPTICAL DEVICE - An optical device includes a high pressure discharge lamp, a concave condensing mirror placed so as to surround the high pressure discharge lamp while an optical axis stays extended along a direction of an arc of the high pressure discharge lamp, and an aspherical lens that is placed forward the light exit direction of the concave condensing mirror and that is rotationally symmetrical with respect to the optical axis of the concave condensing mirror, in which a reflecting surface of the concave condensing mirror is configured so as to have a shape set in connection with the shape of a light incident surface and the shape of a light exit surface of the aspherical lens. | 09-27-2012 |
| 20120234385 | DYE-SENSITIZED SOLAR CELL - A dye-sensitized solar cell having a transparent conductive film at the inner surface of a tube-shaped transparent glass vessel, a semiconductor film photoelectrode to which a dye has been adsorbed formed on this transparent conductive film, and a counter electrode provided in the tube-shaped vessel spaced from this photoelectrode and an electrolytic solution enclosed in the tube-shaped vessel. Both ends of the tube-shaped vessel are tightly sealed by formation of sealing portions melting and compress the glass of the vessel; the transparent conductive film extends into the sealing portion at one end of the tube and an external lead is connected electrically to said transparent conductive film and is led out from the sealing portion to the outside of the tube-shaped vessel; and a lead connected electrically to the counter electrode is led out from the sealing portion at the other end to the outside of the tube-shaped vessel. | 09-20-2012 |
| 20120223631 | EMITTING APPARATUS FOR WASHING LIGHT NANOIMPRINT TEMPLATE AND METHOD FOR THE SAME - A light emitting apparatus comprises an excimer lamp and a casing that houses the excimer lamp. A pair of electrodes of the excimer lamp is arranged on an outer surface of a flat electric discharge container whose cross sectional view is rectangular. A light emission section is formed on one face of the discharge container. The casing has a light extraction window that emits radiation light from the light emission section of the excimer lamp to outside of the casing. A reflective film is formed only on an inner wall face of the excimer lamp at a location opposite to the light emission section. The casing has a reflective mirror that reflects the light from the excimer lamp and directs the reflected light toward the light extraction window. | 09-06-2012 |
| 20120200216 | DISCHARGE LAMP APPARATUS - A discharge lamp apparatus comprises a high pressure discharge lamp in which a pair of electrodes face each other in an electrical discharge space, a concave reflection mirror which surrounds the high pressure discharge lamp, and a laser light source that emits laser light of a red wavelength band. The laser light source is arranged so that the laser light may pass through an electrical discharge space of the high pressure discharge lamp. | 08-09-2012 |
| 20120181925 | SHORT ARC TYPE DISCHARGE LAMP - A short arc type discharge lamp includes a cathode and an anode arranged inside an arc tube to face each other. The cathode comprises a main body portion made of tungsten and an emitter portion made of thoriated tungsten that is joined at the tip of the main body portion, where a metal oxide other than thorium (Th) is contained in the main body portion of the cathode, and a tungsten carbide layer is formed on the metal oxide. | 07-19-2012 |
| 20120161104 | ULTRAVIOLET IRRADIATION DEVICE - An ultraviolet irradiation device having a simple structure without using a pn junction, which can efficiently utilize a surface plasmon polariton and can emit ultraviolet light of a specific wavelength at a high efficiency. The device has at least one semiconductor multilayer film element and an electron beam irradiation source which are provided in a container having an ultraviolet-ray transmitting window and is vacuum-sealed, wherein the film element has an active layer formed of In | 06-28-2012 |
| 20120155079 | LASER LIGHT SOURCE APPARATUS - A laser light source apparatus comprises a laser light source that emits laser light; a prism with one optical flat face, through which the laser light from the laser light source passes, that is perpendicular to an optical path of the laser light; and a vibration driving device that vibrates the prism to move the prism parallel to a direction in which an optical path length of the laser light in the prism changes, along a flat face located in the other optical flat face that does not intersect perpendicularly with the optical path of the laser light in the prism. | 06-21-2012 |
| 20120133304 | DISCHARGE LAMP DEVICE - A discharge lamp device comprising a high pressure discharge lamp having a discharge space and a pair of main electrodes in an interior of said discharge space, a starting assistance light source adapted to radiate UV radiation towards said discharge space, and a power supply device to light the high pressure discharge lamp and the starting assistance light source, wherein said starting assistance light source contains at least a rare gas for starting and carbon monoxide (CO) as a light emitting substance, and said power supply device is adapted to generate a high starting voltage at a time lighting of said high pressure discharge lamp is started and afterwards switch to a voltage for steady-state lighting, such that said starting assistance light source radiates by means of said high starting voltage but does not radiate by means of said voltage for steady-state lighting. | 05-31-2012 |
| 20120133302 | High pressure discharge lamp lighting device - A high-pressure discharge lamp lighting device is used for projector devices that allow controlling the mean electric power at a desired value with a slow processing speed. A color wheel rotates and disperses the beam from lamp into each of the color components, such that the electric power supplied to the lamp is controlled at different levels for each segment of the color wheel and the power feeding device control part finds the mean electric power by sampling the electric power supplied. | 05-31-2012 |
| 20120119644 | Xenon short arc lamp - A xenon short-arc lamp includes an arc tube containing a first electrode and a second electrode, sealing tubes on both edges of the arc tube and supporting tubes that are supported in the sealing tubes. Core rods of the first electrode and the second electrode are inserted through and supported by the supporting tubes. A high alternating voltage is applied at the start of the lighting. A trigger wire that is electrically connected to the first electrode is wound around an outer surface of the second electrode side sealing tube at an arc tube side position other than a location of the sealing tube that faces the metal foil. The trigger wire may be wound around an rising part of the arc tube. | 05-17-2012 |
| 20120112077 | METHOD FOR THE DETECTION OF THE IRRADIANCE DISTRIBUTION IN AN EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE AND AN EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE - An extreme ultraviolet light source device, comprising a collector mirror focusing extreme ultraviolet radiation at a focal point, wherein a porous plate having a plurality of through holes arranged such that only radiation focusing at said focal point passes is provided insertably between said collector mirror and said focal point on an optical axis of said collector mirror, and a detection means is provided to receive radiation having passed through said porous plate and to detect an intensity of said received radiation, and a method for detecting an irradiance distribution in an extreme ultraviolet light source device. | 05-10-2012 |
| 20120106175 | Lamp protective cover - A protective cover for a high pressure lamp enclosing gas inside a luminous tube endures momentary pressure created by the rupturing of the high pressure lamp. The protective cover includes two resin half-body containers that freely open and close and a stopper that limits the half-body containers from rotating when the protective cover is in a closed condition. | 05-03-2012 |
| 20120105943 | Laser ray wavelength modification apparatus - A laser ray wavelength modification apparatus that includes a semiconductor laser element, a fundamental wave light reflecting element, a wavelength modification element, a selective reflection member and a dichroic mirror. The selective reflection member permits fundamental wave light among light rays emitted from the wavelength modification element to pass through to the fundamental wave light reflecting element while reflecting the wavelength modification light. The dichroic mirror is arranged between the semiconductor laser element and the wavelength modification element. The dichroic mirror transmits the fundamental wave light and removes by reflection out the wavelength modification light. | 05-03-2012 |
| 20120081002 | SHORT ARC TYPE DISCHARGE LAMP - A short arc type discharge lamp wherein a cathode and an anode are arranged opposite to each other in an interior of a light emitting tube and said cathode consists of a main body part with tungsten as the main constituent and an emitter part comprised of thoriated tungsten, wherein an oxygen content of the main body part of said cathode is lower than that of the emitter part, and band-shaped tungsten carbide is formed at the tip end face of the emitter part of said cathode. | 04-05-2012 |
| 20120044697 | Incandescent bulb and light source apparatus - An object of this invention is to provide an incandescent bulb which has sufficiently high brightness and produces a god light distribution on a surface irradiated by the light, and a light source apparatus having high usage efficiency of the light radiated from the incandescent light bulb. The incandescent light bulb is provided therein with a filament that includes a plurality of filament segments made from a single coil formed by winding one wire material that respectively extend along an axial direction of the bulb and are arranged in parallel to form a flat surface, wherein a pitch of the plurality of filament segments located at a central part of the bulb is smaller than a pitch of a plurality of filament segments located at both side portions. | 02-23-2012 |
| 20120001542 | SHORT ARC TYPE DISCHARGE LAMP - A short arc type discharge lamp wherein a cathode and an anode are arranged opposite to each other in an interior of a light emitting tube and said cathode comprises a main part made from tungsten and an emitter part made from thoriated tungsten, and said emitter part having been diffusion bonded to the main part via a joint face, wherein gaps are formed locally at said joint face of said main part and the emitter part. | 01-05-2012 |
| 20120001541 | SHORT ARC TYPE DISCHARGE LAMP - A short arc type discharge lamp wherein a cathode and an anode are arranged opposite to each other in an interior of a light emitting tube and said cathode comprises a main part made from tungsten and a tip end part made from thoriated tungsten, wherein thorium oxide particles having been peripherally coated with thorium are contained in the tip end part of said cathode. | 01-05-2012 |
| 20110298370 | Extra-high pressure mercury lamp and method of manufacturing extra-high pressure mercury lamp of the same - A lighting mode of an extra-high pressure mercury lamp can be switched between a steady lighting mode and a low electric power lighting mode. A temperature maintaining portion that absorbs light emitted from a light emission section is provided in a vicinity of a boundary between a sealing portion and a light emission section in an outer circumference direction of the lamp. The temperature maintaining portion is made of a material having thermal expansion coefficient that is greater than a material that forms the light emission section. The temperature maintaining portion comes in contact with the light emission section in the low electric power lighting mode. In the steady lighting mode, a gap is formed between the temperature maintaining portion and the light emission section so that the temperature maintaining portion is separated from the light emission section. | 12-08-2011 |
| 20110260611 | SHORT ARC TYPE DISCHARE LAMP - In a short arc type discharge lamp wherein a cathode and an anode are arranged oppositely to each other in an interior of a light emitting tube, said cathode having a portion with a decreasing diameter at a tip end thereof, and an emitter material buried in said cathode, such that said emitter material has an exposed portion being exposed in said cathode portion with a decreasing diameter, a distance in a radial direction of a center of said cathode from a periphery of the exposed portion of said emitter material varies in a circumferential direction, thus enabling the same electron radiation function as hitherto while reducing the use level of the emitter material. | 10-27-2011 |
| 20110254447 | Discharge lamp lighting apparatus - A discharge lamp lighting apparatus includes a capacitor, a charge circuit for charging the capacitor, a switching element, a gate driving circuit that controls ON and OFF states of the switching element, a simmer current supply circuit for passing simmer current through a discharge lamp, a starting circuit that impresses high voltage to a starting electrode, and an electric discharge sequence control circuit that generates the gate signal and the starting signal. When lighting the discharge lamp, a sequence of the gate signal corresponding to an alternating repetition of the ON and OFF states of the switching element is generated. Before outputting the starting signal, the switching element is ON as a stand-by state. Then the sequence starts when the starting signal is outputted. | 10-20-2011 |
| 20110241516 | Incandescence lamp - An incandescence lamp comprises an arc tube where both ends form sealing portions, a filament that extends in the arc tube in a tube axis direction, and a reinforcement rib that extends along the arc tube in the tube axis direction. | 10-06-2011 |
| 20110229112 | Heating apparatus - A heating apparatus contains a chamber that has a space for placing a work piece, a filament lamp that has an arc tube, and a sealing portion provided at an end of the arc tube. The heating apparatus further contains a glass tube extending through the chamber. A cooling fluid is introduced into the glass tube. An end of the glass tube extends to an outside of the chamber. A sealing member seals the glass tube and the chamber. The filament lamp is arranged inside the glass tube. | 09-22-2011 |
| 20110221356 | Light source apparatus - A first energy ratio A/B of a first alternating current of a steady frequency supplied to a lamp is set to a value C, when the lamp is horizontally placed. A second alternating current of a lower frequency, whose second energy ratio A/B is set to the value C, is inserted. When the lamp is vertically placed, a first energy ratio A′/B′ is set to the value C or a value D, which is smaller than the value C. A second ratio A′/B′ is set to the value D or a value E, which is lower than the value C. A and A′ each represents an energy that flows from a first electrode of a pair of electrodes of the lamp to a second electrode of the pair. B and B′ each represents an energy that flows from the second electrode to the first electrode. | 09-15-2011 |
| 20110221355 | Light source apparatus - In a light source apparatus, an alternating current is supplied to a high pressure discharge lamp from a power supply apparatus to light the lamp. The arrangement state of the lamp is detected by a detection circuit. When the lamp is horizontally arranged, electric energy, whose flow direction is from one electrode of the lamp to the other electrode, is set to be approximately the same as electric energy, whose flow direction is from the other electrode to the one electrode. When the lamp is vertically arranged, while a cycle, which is the same as a polarity change cycle in the horizontal arrangement, is maintained, electric energy, which flows from an upper electrode to a lower electrode, is set to be smaller than electric energy, which flows from the lower electrode to the upper electrode. | 09-15-2011 |
| 20110216541 | Light source apparatus - A light source apparatus that is used in a document reading apparatus that reads document-reflecting light from the document includes a first reflection mirror; a second reflection mirror; and a light guiding member that comprises a light emitting element mounted to one longitudinal end of the light guiding member and a light emitting face in a longitudinal direction, where the first and second reflection mirrors are arranged in parallel to the light guiding member and reflect light from the light emitting face of light guiding member toward a document placement face and where an end point of an optical axis of a first light reflection face is located on the document placement face between an end point of an optical axis of the first reflection mirror and an end point of an optical axis of the second reflection, mirror. | 09-08-2011 |
| 20110215741 | Discharge lamp lighting apparatus and discharge lamp lighting method - A discharge lamp lighting apparatus and a discharge lamp lighting method, wherein the discharge lamp, that may be lighted in a horizontal arrangement, contains a power source apparatus that lights the discharge lamp, a flex supply unit disposed near the discharge lamp, and a control unit configured to control the flex supply unit. The control unit controls the flex supply unit such that the flex pulls an arc perpendicular to the discharge lamp longitudinal direction at a time of start-up voltage impression. A flux whose density is lower than that at the time of start-up voltage impression is supplied when the discharge lamp reaches a stable state. | 09-08-2011 |
| 20110181188 | OPTICAL IRRADIATION EQUIPMENT AND OPTICAL IRRADIATION METHOD - An optical irradiation equipment provided with a cage body having an UV radiation transmission window, and an excimer lamp which is arranged in an interior of said cage body, wherein gas flow openings being connected to one of a cooling gas supply mechanism and a cooling gas suction mechanism are provided at a periphery of said UV radiation transmission window. | 07-28-2011 |
| 20110181181 | DISCHARGE LAMP - A discharge lamp with excellent arc stability and excellent durability in which the use level of thoriated tungsten is restrained has an anode and a cathode in the interior of a discharge vessel, wherein said cathode is made up from a thoriated tungsten part with a tungsten filling ratio of at least 90 vol.-% and a main body part connected to said thoriated tungsten part and consisting of pure tungsten, wherein a ratio S | 07-28-2011 |
| 20110149590 | Linear light source - A linear light source, in which an LED is arranged at an end portion of an approximately cylindrical light guiding member configured so that an upper portion, which has an approximately circular portion and which includes a light emitting face, a flat lower portion, which includes a light reflection face formed so as to face the upper portion, and side portions which connect the upper portion and the lower portion to each other, are arranged to extend in a longitudinal direction, respectively, and a light diffusion and reflection member provided outside of the light guiding member. | 06-23-2011 |
| 20110128508 | Lighting apparatus for high-pressure discharge lamp and projector - A lighting apparatus for a high-pressure discharge lamp that has an electric discharge container made of quartz glass, and containing a pair of counter electrodes and a power supply unit that supplies AC current to the high-pressure discharge lamp. The power supply unit has a stationary power lighting mode and a modulated power lighting mode that supplies current having power less than power in the stationary power lighting mode. The modulated power lighting mode supplies a rectangular AC current having a first term and a second term. A mean high-frequency current value supplied to a first electrode is greater than a mean current value supplied to a second electrode in the first term. A current is supplied to the second electrode for a term longer than the half-cycle period in the second term, the current being lower than the mean high-frequency current value supplied to the first electrode. | 06-02-2011 |
| 20110127926 | Discharge lamp light apparatus - A discharge lamp lighting apparatus for lighting a discharge lamp where a voltage generated in a secondary side winding can be superimposed on an output voltage of an inverter and is impressed between electrodes, where while a periodic drive circuit generates an inverter drive signal so that frequency of the inverter becomes a start-up initial frequency, electric supply control circuit controls a power supply circuit to output no-load opening voltage, where the frequency of the inverter gradually decreases until reaching a first threshold frequency from the start-up initial frequency, where when the frequency of the inverter reaches the first threshold frequency, the periodic drive circuit generates the inverter drive signal so that the frequency of the inverter becomes stable lighting frequency, and where the electric supply control circuit controls the power supply circuit to output current which is sufficient to maintain electric discharge of the discharge lamp. | 06-02-2011 |
| 20110102862 | Illuminating device - A illuminating device used for an document reading apparatus that has two rod shape light guides and light emitting elements where each of the light guides has a light emitting face and two flat light reflection faces, which may have a group of minute prisms that are formed along the longitudinal direction of the faces, and where light from each light emitting element is guided in the longitudinal direction by the light guide and reflected by that faces, such that the light is emitted from the light emitting face of each light guide and a virtual plane that is vertical to a longitudinal direction of each of the two light guides has two light intensity peaks. | 05-05-2011 |
| 20110095684 | Excimer lamp - An excimer lamp that has an arc tube in which a seal structure is formed using a metal brazing material, which is composed of gold or a gold-nickel alloy, at an end portion of a transparent ceramic pipe that encloses a gas containing rare gas and fluorine atoms and a pair of electrodes arranged outside the arc tube. | 04-28-2011 |
| 20110095683 | High pressure discharge lamp and method of manufacturing high pressure discharge lamp - A high pressure discharge lamp has a sealing portion that is made of glass and a sealing metal piece. In a method of manufacturing the high pressure discharge lamp, the sealing metal piece is irradiated with laser beam whose pulse width is 1×10 | 04-28-2011 |
| 20110090490 | Inspection apparatus using a chip - An inspection apparatus using a chip includes a rotor that holds a chip; a measurement room in which the rotor is provided and a through hole is formed; a light source that emits light for measurement to the chip through the through hole; a light measurement unit that detects the light from the chip, a rotation drive mechanism that rotates the rotor; and a cover member capable of covering or uncovering an opening portion. | 04-21-2011 |
| 20110085337 | LIGHT SOURCE DEVICE - In a light source device provided with a light emission tube in which a light emitting element is enclosed and at least one laser oscillator part for radiating a laser beam towards said light emission tube, for focusing a beam within a light emission tube with a large solid angle and for preventing that the beam with a high energy density impinges upon the wall of the light emission tube, the light emission tube has a tube wall, part of which is made to function as a focusing means, or the light emission tube has a focusing means at the inner surface thereof. | 04-14-2011 |
| 20110082648 | Microchip blood analyzer - A microchip blood analyzer contains a mixing unit that mixes a sample and a test reagent with each other; a detection unit that detects a reaction of the mixture, a measurement unit that measures an amount of a specific ingredient in the sample; and a judgment unit that obtains a value using an approximate expression in a least-square method by using measurement data, compares a value obtained from an approximate expression and a value of the measurement data to obtain a deviation degree, and generates an output of a measurement result when the deviation degree is a prescribed value or greater. | 04-07-2011 |
| 20110075123 | Method for detecting work alignment mark and exposure apparatus using the same - In a method of detecting a workpiece alignment mark for positioning a mask and a workpiece or in an exposure apparatus, a control unit detects a pattern whose positional relationship is determined with respect to the workpiece mark at a low magnification. The pattern is larger than the workpiece mark, and/or the pattern has a high contrast to include a large amount information (a search mark). When the magnification of the microscope is switched to a high magnification, the workpiece is moved to a position where the workpiece mark is within a view of the microscope, according to the positional relationship. Subsequently, the workpiece mark position is detected at the high magnification. | 03-31-2011 |
| 20110051133 | Clinical laboratory test apparatus - A clinical laboratory testing apparatus comprises a microchip for holding a sample liquid; a rotation body for rotating the microchip; a rotation drive mechanism; a lock mechanism for locking the microchip on the rotation body; a measurement room that holds the microchip and the rotation body; a protection cover; a light source that irradiates the measuring cell of the microchip; and a light receiving unit, wherein a centrifugal separation processing of a specimen in the sample liquid is performed in the microchip. | 03-03-2011 |
| 20110044059 | Light source apparatus - A light source apparatus includes first and second light direction changing faces that extend in a longitudinal direction, a light guiding member having first and second light emitting faces that are formed to respectively face the first and second light direction changing faces and a light source that is arranged on one end face of the light guiding member. A first vertical plane extending in a longitudinal direction with respect to the first light direction changing face and a second vertical plane extending in a longitudinal direction with respect to the second light direction changing face intersect. A groove which extends in a longitudinal direction of the light guiding member is formed between the first and second light direction changing faces. A surface forming the groove may be parabolic in a cross section. | 02-24-2011 |
| 20110043771 | High pressure discharge lamp lighting apparatus and projector - A high pressure discharge lamp lighting apparatus that comprises a power supply apparatus that supplies a rectangle wave alternating current to the high pressure discharge lamp for lighting, such that when the lamp is operated by electric power of 0.5×P (W) or less, when maximum operation power P (W) in a steady lighting state except an initial lighting period that is immediately after starting, where a first polarity driving period of a rectangle wave alternating current is Ta (seconds), and where a second polarity driving period is Tb (seconds) an operation is performed so that the second polarity driving period Tb is 5 ms or less (Tb≦5 ms) and a ratio Tb/Ta of these two driving periods is 0.1 or less (Tb/Ta≦0.1). | 02-24-2011 |
| 20110043110 | High pressure discharge lamp - A high pressure discharge lamp comprises a pair of electrodes that face each other in an electric discharge container, wherein an electrode axis of each electrode is buried in a sealing portion, each electrode axis is joined to a metallic foil, two or more grooves are formed in an axis direction on a portion of the electrode axis, which corresponds to the sealing portion, an upper shoulder portion of each groove is formed in a shape of a curved surface, a diameter of the electrode axis is 0.3 mm to 1 mm, and a curvature radius of the curved surface upper shoulder portion is 5 μm-50 μm. | 02-24-2011 |
| 20110043109 | LAMP WITH AT LEAST ONE BASE - To provide a configuration for a lamp with at least one base comprising a light emission element arranged in a light-emitting tube, external leads supplying energy to said light emission element, an antioxidant layer covering said external leads, sealing portions sealing metal foils connected electrically to said external leads and bases fixed via an adhesive to said sealing portions, the adhesive fixing said base does not directly contact said antioxidant layer. | 02-24-2011 |
| 20110026547 | LIGHT SOURCE DEVICE - A light source device wherein the high-temperature plasma state after the start of the lighting is maintained stably and the light emission can be maintained stably and a decrease of the lighting life cycle by means of a heating of the light emission tube is suppressed comprises a light emission tube, in which a light emitting means is enclosed, and a pulsed laser oscillator part emitting a pulsed laser beam towards said light emission tube, wherein a continuous-wave laser oscillator part is provided emitting a continuous-wave laser beam towards said light emission tube. | 02-03-2011 |
| 20110025219 | Discharge lamp lighting apparatus - In a discharge lamp lighting apparatus, in a starting sequence of a discharge lamp, while a frequency control circuit generates a inverter driving signal corresponding to resonance frequency of a resonant circuit, a power supply circuit outputs non-load open circuit voltage that is sufficient to maintain electric discharge, even when a boosting action accompanying a resonance phenomena disappears, and then a periodic drive circuit generates the inverter driving signal to gradually decrease frequency of the inverter from a frequency corresponding to the resonance frequency of the resonant circuit, until the frequency of the inverter reaches a first threshold frequency, and wherein when the frequency of the inverter reaches the first threshold frequency, while the periodic drive circuit generates the inverter driving signal so that the frequency of the inverter turns into a stable lighting frequency, the power supply circuit outputs current that is sufficient to maintain the electric discharge of the discharge lamp. | 02-03-2011 |
| 20110025218 | Mercury lamp and mercury lamp lighting apparatus - In an ultrahigh pressure mercury lamp that encloses mercury is enclosed in an arc tube, an electrode has a head portion whose diameter is larger than that of an axis portion and a cylindrical portion formed to project from and extend, integrally with a back end face of the head portion, wherein an inner circumference face the cylindrical portion is apart from the axis portion so as to surround the axis portion. During an alternating current lighting, a relational expression of d/(1/f)×1/2≧3.8 is satisfied, wherein a frequency, which relates to an anode operation period that is the longest in the anode operation period during which one electrode serves as an anode, is represented as f, and a distance in an axial direction from the leading edge position of the head portion of the electrode to a boundary position between the head portion and the cylindrical portion is represented as d. | 02-03-2011 |
| 20110025203 | High pressure discharge lamp - The present invention relates to a high pressure discharge lamp that includes a pair of electrodes, which face each other in an electric discharge space. Further, an electrode axis of one of the electrodes is joined to a metallic foil in a sealing portion, and two or more grooves are formed in an axis direction on a portion corresponding to the sealing portion on the electrode axis. Furthermore, a remaining portion that lacks grooves is left on the electrode axis in a metallic foil side thereof, and the metallic foil side ends of the grooves are not aligned with each other in the axis direction thereof. | 02-03-2011 |
| 20110018460 | Discharge lamp lighting apparatus - In an optimum frequency detection sequence of a discharge lamp, the frequency control circuit performs a sweep operation in which, while the frequency control circuit monitors a syntonization degree signal, a frequency control signal is changed, so that frequency is changed, starting from either an upper or lower limit frequency of a periodic driving circuit, in a range that does not exceed the other frequency, wherein after completion of the sweep operation, the frequency control circuit determines a value of the frequency control signal corresponding to a resonance frequency of the resonant circuit, and inputs the value into a frequency driving circuit, wherein at least in a period of the sweep operation, an inverter receives power supply from a sweep time power supply circuit for supplying electric power with constant supply capability, which is limited to a range in which breakdown does not occur in the discharge lamp. | 01-27-2011 |
| 20110006675 | Xenon short arc lamp for digital a projector - A xenon short arc lamp for a digital projector, includes an anode, a cathode having a cathode main body that is made of tungsten containing electron emissive material, and an arc tube made of silica glass, wherein a supply source of carbon is formed on a metal portion in the arc tube except a tip area of the cathode, and the carbon is supplied to the tip of the cathode through a gaseous phase during lamp lighting, so that a surface layer of the cathode is melt. | 01-13-2011 |
| 20100327784 | LAMP LIGHTING DEVICE AND FILAMENT LAMP - For providing a lamp lighting device and a filament lamp wherein a wire breakage of the filament lamp can be detected without an excessive consumption of power while the device as a whole is not enlarged, a filament lamp is provided comprising a light emission tube having at least one sealing portion and in the interior of which at least one filament is arranged, internal leads connected to both ends of said filament, metal foils for power supply provided in said at least one sealing portion of the light emission tube and connected to said internal leads, and external leads connected to said metal foils for power supply; wherein a metal foil for detection is provided in said sealing portion and is connected to one of a said internal lead and a said metal foil for power supply, and an external detection lead is provided at said metal foil for detection. | 12-30-2010 |
| 20100315814 | LIGHT IRRADIATION DEVICE - In order to avoid irregular irradiation of a substrate, a light irradiation device is provided, comprised of a plurality of adjacently arranged segment light sources wherein a plurality of LEDs is arranged on a substrate, wherein said segment light source comprises an integrator lens arranged such as to be irradiated with light of said plurality of LEDs and a condenser lens arranged such as to be irradiated with light transmitted by said integrator lens, said integrator lens consisting of a plurality of cell lenses, whose aperture sizes at that side of said integrator lens that opposes said LEDs have different dimensions. Alternatively, a mask is provided at that side of said integrator lens which opposes said LEDs, said mask having apertures at positions corresponding to a respective one of said cell lenses, the mask apertures having sizes of different dimensions. | 12-16-2010 |
| 20100264820 | Laser driven light source - An laser driven light source comprises a bulb that encloses a discharge medium, a laser beam unit for emitting a laser beam, wherein the laser beam is focused in the bulb for generating a discharge, and a beam shield element that is provided in the bulb to shield peripheral devices from the laser beam, which passes through the discharge generated in the bulb. | 10-21-2010 |
| 20100259170 | Excimer discharge lamp - An excimer discharge lamp comprises an electric discharge container having an electric discharge space, a pair of electrodes provided on an outer face of the electric discharge container, and an electric discharge gas enclosed in the electric discharge space. Further the electric discharge container comprises a tubular side wall on which the pair of electrodes is formed, one end wall for sealing one end of the side wall, and another end wall that is provided on the other side of the side wall. The side wall and the end walls are made of sapphire, YAG, or single crystal yttria. A chip pipe is provided on the another end wall, and a partition member made of sapphire, YAG, or single crystal yttria is formed between a shortest distance of the chip pipe and the inner face of the side wall. | 10-14-2010 |
| 20100259168 | Excimer discharge lamp - An excimer discharge lamp comprises an electric discharge container and a pair of electrodes provided in an outer face of the electric discharge container, wherein the electric discharge container is made up of a tubular side wall on which the pair of electrodes are provided, one end wall that seals one end of the tubular side wall, and another end wall that seals another end of the tubular side wall, wherein a chip pipe made of metal or an alloy is formed on the another end wall, and wherein a dividing wall made of sapphire, YAG, or single crystal yttria is provided at a portion of the another end wall that is located in a shortest distance portion between the chip pipe and an inner face of the side wall on which the pair of electrodes is provided. | 10-14-2010 |
| 20100253236 | HIGH PRESSURE DISCHARGE LAMP LIGHT SOURCE DEVICE - In order to maintain a stable arc and avoid wear of the projections of electrode tip ends even if the lamp is lighted with a lamp power of at most 70% of the nominal electric power, a high pressure discharge lamp light source device is provided comprised of a high pressure discharge lamp having a discharge vessel made from quartz glass and a pair of electrodes arranged oppositely to each other with a spacing of at most 2.0 mm, each electrode having a projection formed at a tip end thereof, and mercury of at least 0.20 mg/mm | 10-07-2010 |
| 20100244720 | HIGH PRESSURE DISCHARGE LAMP LIGHT SOURCE DEVICE - For maintaining the projections of the electrode tip ends in the ideal condition and maintaining a stable arc even if the lamp is lighted with a lamp power of at most 70% of the rated electric power, a high pressure discharge lamp light source device is provided, comprised of a high pressure discharge lamp having a discharge vessel made from quartz glass and a pair of electrodes arranged oppositely to each other with a spacing of at most 2.0 mm, each electrode having a projection formed at a tip end thereof, and mercury of at least 0.20 mg/mm | 09-30-2010 |
| 20100244689 | SHORT ARC TYPE DISCHARGE LAMP - For stably supplying an electron emitting substance and preventing illuminance fluctuations, a cathode is provided made from a tungsten material containing an electron emitting substance and having a taper part a diameter of which becomes smaller towards a tip end, a tip end face formed at the tip end side of said taper part, and a fine hole extending from said tip end face in an interior of said cathode, wherein said fine hole is formed at said tip end face such that it extends over at least two tungsten crystal grains. The invention also relates to a short arc type discharge lamp comprising said cathode. | 09-30-2010 |
| 20100231129 | Ceramic discharge lamp and method of manufacturing ceramic discharge lamp - A ceramic discharge lamp in which an electric discharge gas is enclosed in an arc tube which is made up of a ceramic member and a metal member. The ceramic discharge lamp includes a first brazing material, which is formed so as to be fixed on a surface of the ceramic member without being covered with the metal member; a titanium layer, which is formed between the first brazing material and the ceramic member; and a second brazing material, which is continuously formed from the first brazing member, that covers part of the metal member so that the ceramic member and the metal member are airtightly joined to each other. | 09-16-2010 |
| 20100225232 | Lighting method of light source apparatus - A method of lighting a light source apparatus that has a discharge lamp, a reflection mirror for reflecting light emitted from the discharge lamp, a light emission optical system for irradiating a work piece with light, one or more laser oscillator for emitting a laser beam to the discharge lamp, and a discharge starting unit for starting discharge. The method includes removing deposits adhering to an inner face of the discharge lamp by irradiating a discharge vessel with the laser beam from the first laser oscillator, starting discharge in the discharge vessel by the discharge starting unit, and condensing the laser beam from a second laser oscillator, into the discharge vessel. | 09-09-2010 |
| 20100213881 | Light source apparatus - A light source apparatus that includes a light emitting diode and a fluorescent material film. The fluorescent material film converts ultraviolet or blue light emitted from the light emitting diode into white light. The film is formed by coating, on at least one side of a glass substrate, a liquid mixture of fluorescent material, an organic binder, and a solvent, followed by drying and firing, and another thin film is further formed by coating, on the fluorescent material film, a coating material that contains a metallic alkoxide and/or metallic alkoxide oligomer, followed by drying and firing. | 08-26-2010 |
| 20100213852 | Light source apparatus - A light source apparatus that comprises a blue light emitting diode and a fluorescent material film capable of converting the blue light emitted from the blue light emitting diode into white light, wherein the fluorescent material film is formed by coating, on a glass substrate, a dispersion prepared by dispersing a composition containing metallic oxide fine particles and a yellow fluorescent material capable of absorbing part of the blue light, thereby emitting yellow light, in a metallic alkoxide and/or metallic alkoxide oligomer, followed by firing. | 08-26-2010 |
| 20100201266 | HIGH PRESSURE DISCHARGE LAMP - To provide a high pressure discharge lamp in which no fusing of the metal foil occurs even if the high pressure discharge lamp is switched on for a certain time a high pressure discharge lamp is provided having a discharge vessel comprised of a light emission part and sealing parts made of glass connected to opposite ends of said light emission part; metal foils buried in a respective one of said sealing parts; a pair of electrodes comprised of core rods and tip end parts, said tip end parts being arranged oppositely to each other in the light emission part; and said core rods being melted and fused together with a respective one of the metals foils; wherein cavities are formed which reach from a surface of a respective one of the metal foils to an interior of the core rod, and the glass constituting said sealing part has entered into said cavities. | 08-12-2010 |
| 20100201265 | HIGH PRESSURE DISCHARGE LAMP - In a high pressure discharge lamp having electrode rods with grooves formed in a part thereof and embedded and sealed in sealing parts of a discharge vessel, breakage of the sealing parts because of the grooves is prevented without impairing the mechanical strength of the electrode rods, in which the grooves are formed, by the high pressure discharge lamp comprising: a discharge vessel having a light emitting part and sealing parts connected to both ends of said light emitting part; and electrodes comprising electrode rods and electrode tip end parts arranged oppositely to each other in the light emitting part, said electrode rods being embedded in a respective one of said sealing parts, and axially directed grooves being formed in at least part of the surface of said electrode rods, wherein a diameter measured at groove bottom parts of the grooves of said electrode rods is larger than a diameter of the electrode rods in a part where no grooves are formed. | 08-12-2010 |
| 20100187993 | Extra high pressure mercury lamp - An extra high pressure mercury lamp that includes an arc tube, which includes a light emission section enclosing 0.2 mg/mm | 07-29-2010 |
| 20100176723 | HIGH PRESSURE MERCURY LAMP - To devise a UV light source which has an increased UV irradiance in the short wavelength range, prevents blackening of the light emission tube and a decrease of the irradiance and has a long durability, a high pressure mercury lamp of the direct current type is provided, comprising a light emission tube, a cathode and an anode arranged at a distance oppositely to each other inside said light emission tube, said cathode having a shape of a truncated cone with a flat part at a tip end thereof, mercury filled inside said light emission tube in an amount of 0.05 to 0.10 mg/mm | 07-15-2010 |
| 20100165656 | LIGHT SOURCE - A light source is provided. The light source includes: an elliptical reflection mirror having first and second focal points; a discharge chamber in which a luminescent substance is enclosed and which is disposed on the first focal point; a laser light generator which emits the laser light; and a laser light guide which guides the laser light from an opening side of the elliptical reflection mirror into the discharge chamber. The luminescent substance is excited by providing the laser light to the luminescent substance so as to emit light, and the light is reflected by the elliptical reflection mirror. The laser light guide is disposed in a shade area in which the light reflected by the elliptical reflection mirror is blocked by the discharge chamber. | 07-01-2010 |
| 20100164380 | LIGHT SOURCE - A light source is provided. The light source includes: a discharge lamp in which a pair of electrodes facing each other is disposed and a discharge medium is enclosed; and an energy beam irradiation unit that emits an energy beam toward a gap between the pair of electrodes. The energy beam irradiation unit emits the energy beam toward a bright spot that is formed near a tip end of the electrode when the discharge lamp is turned on by applying a voltage to the electrodes. | 07-01-2010 |
| 20100164347 | LIGHT SOURCE DEVICE - A light source device that irradiates a discharge vessel with a laser beam to produce radiant light that is reflected by an ellipsoidal reflecting surface efficiently utilizes the light produced by directing the laser beam through an unirradiated region where reflected light from the ellipsoidal reflector is blocked by the discharge vessel, through an opening side of the ellipsoidal reflector to the discharge vessel. The discharge vessel has an emission substance enclosed inside which is excited by the laser beam and produces radiant light, is arranged at a focal point of the ellipsoidal reflector. A planar mirror, with which radiant light reflected by the ellipsoidal reflector is reflected in a different direction has a window in an unirradiated region where reflected light from the ellipsoidal reflector is blocked by the discharge vessel through which the laser beam passes to the discharge vessel. | 07-01-2010 |
| 20100156294 | DISCHARGE LAMP HAVING A CATHODE WITH CARBON SOLID-SOLVED IN A TUNGSTEN METAL SUBSTRATE OF THE CATHODE - A discharge lamp having a cathode containing lanthanum oxide (La | 06-24-2010 |
| 20100156293 | Short arc type discharge lamp - A short arc type discharge lamp has a pair of electrodes, at least one of which has an electrode body and an axis part. A taper part is formed at a base side of the electrode body. Plural holes extending in an axis direction of the electrode in line are formed at the taper part. | 06-24-2010 |
| 20100156288 | Extra-high pressure mercury lamp - An extra-high pressure mercury lamp includes an arc tube made of quartz glass. The lamp includes an arc tube portion and sealing portions connected to the arc tube portion, and encloses 0.15 mg/mm | 06-24-2010 |
| 20100148686 | HIGH PRESSURE DISCHARGE LAMP LIGHTING APPARATUS - A discharge lamp lighting apparatus includes a discharge container, a pair of electrodes and a power supply apparatus. An alternating current of a frequency, which is lower than stationary frequency, is inserted periodically into the alternating current of stationary frequency. When a lighting current value of the discharge lamp is smaller than a predetermined lower limit, the frequency is set as predetermined minimum frequency. When the lighting current value of a discharge lamp is larger than a predetermined maximum value, the frequency is set as predetermined maximum frequency. When a lighting current value of the discharge lamp is between the lower limit and the maximum value, the frequency is set as a selected frequency corresponding to the lighting current value. The selected frequency increases according to an increase of frequency change as a lighting current value increases. | 06-17-2010 |
| 20100141142 | DISCHARGE LAMP - To provide a discharge lamp capable of joining metal plates together with leads respectively using a filler material by matching the center of the metal plates to the axial center of the leads a discharge lamp having a metal plate ( | 06-10-2010 |
| 20100134049 | LED LAMP-LIGHTING CIRCUIT AND LED LAMP AS WELL AS AN LED LAMP-LIGHTING CONVERSION SOCKET - To stably illuminate an LED lamp even when an internally-excited electronic transformer is used in the power supply circuit, the full wave of the AC voltage supplied from the power supply circuit is rectified using a current rectifying circuit. When the power supply starts, current flows into a start-assist circuit for a specific period of time. Subsequently, when the fixed current load circuit begins operating, the current will flow into the fixed current load circuit. When the current flows into the LED driver, operation of the fixed current load circuit is stopped by a current-stopping circuit. Because the current flows into the lamp-lighting circuit across the entire voltage output even when an internally-excited electronic transformer is used in the power supply circuit, operation of the internally-excited electronic transformer will not stop and will not become unstable. When the LED is not connected, the fixed current load circuit is stopped. | 06-03-2010 |
| 20100134003 | HIGH PRESSURE DISCHARGE LAMP - A high pressure discharge lamp has an electric discharge container with sealing portions formed at both ends of a light emission section, and electrodes made of tungsten. The electrode has a base end which is buried in the sealing portion. Tips of the electrodes face each other in the light emission section. Purity of the tungsten is 99.99% or more. The electrode has a large diameter portion formed at the tip of the electrode and an axis portion whose diameter is smaller than that of the large diameter portion. A part of a surface of the large diameter portion has a concavo-convex structure where a portion having grooves in a circumference direction and a portion having no groove are asymmetrically formed with respect to an axis of the electrode. | 06-03-2010 |
| 20100134001 | SHORT ARC TYPE DISCHARGE LAMP - To stabilize the illumination fluctuation rate of a short arc type discharge lamp of the type having a pair of electrodes disposed inside an arc tube in a manner of facing each other and a hydrogen getter, by absorbing hydrogen gas in an arc tube without causing a decline in the performance of the short arc type discharge lamp arising out of a hydrogen getter, the hydrogen getter is formed of a hollow container made of a material that allows the transmission of hydrogen with a getter material sealed tightly inside the hollow container, and a holder for the hydrogen getter is held on the electrode with the hydrogen getter fixed in the holder. | 06-03-2010 |
| 20100128232 | HIGH-PRESSURE DISCHARGE LAMP LIGHT SOURCE DEVICE AND PROJECTOR - To stabilize the arc bright point position of a discharge lamp and suppress deformation of an electrode when an ultrahigh-pressure discharge lamp is operated with extremely low electric power, the lamp is operated by supplying power from a power supply device having a step-down chopper circuit and a full bridge circuit, a rectangular wave alternating current being supplied when it is operated with rated power or dimmed power (about 60 to 80% of rated power), a DC current being supplied during standby power operation of at most 0.5×P (W) with respect to the maximum operating power P (W). Moreover, the high-pressure discharge lamp light source device may be mounted on a projector for projecting images and the mode being changed to standby power operation when there is no change in an image signal, for example, for a prescribed period of time. | 05-27-2010 |
| 20100127631 | High pressure discharge lamp lighting apparatus - A high pressure discharge lamp lighting apparatus includes a high pressure discharge lamp and a power supply apparatus, wherein in a steady state lighting operation, an alternating current of a steady state lighting frequency and alternating current of a low frequency are supplied by turns to the high pressure discharge lamp, and wherein in a small electric power lighting in which electric power to be applied is smaller than that of the steady state lighting, alternating current of a small electric power lighting frequency and direct current are supplied by turns to the high pressure discharge lamp. | 05-27-2010 |
| 20100118290 | EXPOSURE DEVICE - An exposure device is provided. The exposure device includes an alignment stage unit, an exposure processing unit and a workpiece moving mechanism. The alignment stage unit includes: an alignment stage that holds a workpiece having workpiece marks thereon; at least one first alignment microscope that detects the workpiece marks of the workpiece; and a first moving mechanism that relatively moves the alignment stage and the first alignment microscope in an 1-axis direction by a width of the workpiece. The exposure processing unit includes: a mask stage that holds a mask having mask marks thereon; a second alignment microscope that detects the mask marks of the mask; and an exposure stage that holds the workpiece. The workpiece moving mechanism moves the workpiece from the alignment stage unit to the exposure processing unit, | 05-13-2010 |
| 20100103681 | ILLUMINATION DEVICE - An illumination device is provided. The illumination device includes: a light guide comprising: an outer peripheral face; one end face; and the other end face, wherein a groove is formed in the outer peripheral face along a longitudinal direction of the light guide; a light source provided to face the one end face of the light guide; and a diffusion reflector provided to face the other face of the light guide. | 04-29-2010 |
| 20100097792 | Light guiding member and linear light source apparatus - A light guiding member in a shape of a rod shape comprises a light receiving portion formed on an end thereof in an axial direction thereof, and a knurled recess portion which extends in the axial direction, is formed on a side face thereof, wherein the knurled recess portion has two or more recesses, a side face of each recess in a light receiving portion side is a reflective surface, the reflective surface of at least one of the recesses having a primary reflective surface and a secondary reflective surface. | 04-22-2010 |
| 20100079048 | SHORT ARC TYPE DISCHARGE LAMP - A short arc type discharge lamp comprises a pair of electrodes, at least one of which has an electrode main body portion and an axis portion and/or a taper portion formed between the electrode main body portion and the axis portion, wherein in the at least one of the electrodes, the axis portion has an outer diameter smaller than that of the electrode main body portion, and at least one groove extending in an axis line direction of the electrode is formed in the electrode main body portion, the axis portion or the taper portion. | 04-01-2010 |
| 20100052493 | RARE GAS DISCHARGE LAMP APPARATUS - A rare gas discharge lamp apparatus has two or more rare gas discharge lamps aligned in parallel, each of which has a glass bulb that contains rare gas therein and first and second external electrodes that are formed on an outer surface of the glass bulb, extends in a glass bulb length direction, and are arranged apart from each other. The first and second external electrodes are made from metallic foils, and project in an outer length direction of the glass bulb from the respective glass bulbs to form extended portions. In addition, the first external electrode of one of the two or more rare gas discharge lamps and that of another one of the two or more rare gas discharge lamps are joined by a pressure bonding member at the extended portions of the respective first external electrodes. | 03-04-2010 |
| 20100021147 | FILAMENT LAMP - A filament lamp is provided. The filament lamp includes: a long light emitting section including a plurality of filaments aligned with one another in an axial direction of the light emitting section, wherein electric power is independently supplied to each of the filaments; a sealing section that seals the light emitting section, including: a first sealing section provided at one end of the light emitting section; and a second sealing section provided at the other end of the light emitting section; a plurality of metal foils embedded in the sealing section; a plurality of external leads each connected to a corresponding one of the metal foils and extending from the sealing section to the outside; and a plurality of glass pipes each provided on the sealing section so as to cover a corresponding one of the external leads. | 01-28-2010 |
| 20100008501 | ILLEGAL RECORDING PREVENTION APPARATUS - An illegal recording prevention apparatus used for preventing an illegal recording with a video camera in a movie theater, comprises a unit for emitting infrared light which has a center wavelength in a wavelength of 800-980 nm wavelength, so that an automatic-focusing regulating function or automatic exposure regulating function of the video camera is deteriorated. | 01-14-2010 |
| 20090268194 | BLOOD ANALYSIS APPARATUS AND SETTING METHOD OF MEASUREMENT POSITION IN BLOOD ANALYSIS APPARATUS - A blood analysis apparatus is provided. The blood analysis apparatus includes: a chip holding portion having an aperture which allows light to pass therethrough and holding a μ-TAS chip for holding a measurement liquid; a rotary body on which the chip holding portion is mounted; a light source; and a light-receiving unit. A measurement position of the rotary body at which the measurement liquid is to be measured with the light from the light source is set by: rotating the rotary body to obtain a light value of light which is emitted from the light source and received by the light-receiving unit through the aperture; and setting a rotational position of the rotary body where the light value is a threshold value or more, as the measurement position. | 10-29-2009 |
| 20090218924 | LIGHT SOURCE FOR ULTRAVIOLET RAY IRRADIATION - A light source for ultraviolet ray irradiation, comprises a rod-shaped discharge lamp having an arc tube, wherein a chip formed in the arc tube is dented so as not to project from an outer surface of the arc tube, a cooling jacket having an inner pipe and an outside pipe, between which cooling fluid flows, wherein the discharge lamp is arranged so that a portion where the chip of the arc tube is formed is located in a lower portion in a gravity direction. | 09-03-2009 |
| 20090214193 | LIGHT EMISSION TYPE HEATING METHOD AND LIGHT EMISSION TYPE HEATING APPARATUS - A light emission type heating apparatus comprises a first lamp unit which includes two or more lamps, in which at least one of the lamps includes two or more filaments in its light emission bulb, and intensity of light emitted from each filament is independently controlled, and a second lamp unit which is made up of two or more lamps, and wherein the lamps of the first lamp unit are grouped, in each of which a filament of at least one of the lamps and a filament of another one of the lamps are arranged to form groups, wherein a temperature of the workpiece is detected, and electric power to be applied to each of the groups of filaments is controlled based on the detected temperature of the workpiece. | 08-27-2009 |
| 20090195158 | Short arc type high-pressure discharge lamp - In a light emission portion of a short arc type high pressure discharge, a pair of electrodes, each of which has a block portion at a tip thereof, is provided, wherein a pseudo coil area made up of ring-like portions is formed in part of the block portion, and an unprocessed area whose diameter is approximately the same as that of the pseudo coil area is formed in a back side of the pseudo coil area. | 08-06-2009 |
| 20090190343 | INCANDESCENT LAMP APPARATUS AND HEATING APPARATUS - An incandescence lamp apparatus, comprises two or more incandescence lamps arranged in parallel to each other, each of which has a tube type glass bulb, wherein the glass bulb of each incandescence lamp has an exhaust pipe remaining portion, wherein in a plane perpendicular to a tube axis of the glass bulb, the respective exhaust pipe remaining portions of the two or more incandescence lamps are located within an envelope curve which is commonly in contact with respective outer circumferential surfaces of the glass bulbs of the two or more incandescence lamps, and wherein all of the exhaust pipe remaining portions adjacent to each other respectively overlap each other in a direction in which the incandescence lamps extend. | 07-30-2009 |
| 20090184618 | LIGHT-EMITTING DEVICE AND LIGHTING APPARATUS INCORPORATING SAME - A light-emitting device is provided that can extract light in all directions and that has wide directivity. This light-emitting device includes: an elongated bar-shaped package extending sideways, the package being formed such that a plurality of leads are formed integrally with a first resin with part of the leads exposed; a light-emitting element that is fixed onto at least one of the leads and that is electrically connected to at least one of the leads; and a second resin sealing the light-emitting element. In the light-emitting device, the first resin and the second resin are formed of optically transparent resin, and the leads have outer lead portions used for external connection and protruding sideways from both left and right ends of the package. | 07-23-2009 |
| 20090140654 | Extra-high pressure discharge lamp - An extra-high pressure discharge lamp, comprises an optical transparent light emitting section, sealing sections connected to the light emitting section, a pair of electrodes which face each other in the light emitting section, wherein one of the electrodes having a thick portion, a thin portion and an intermediate portion which is formed between the thick portion and the thin portion, wherein 0.15 mg/mm | 06-04-2009 |
| 20090127479 | EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE AND A METHOD FOR GENERATING EXTREME ULTRAVIOLET RADIATION - High temperature plasma raw material is added drop-wise, for example, and evaporated by irradiation with a laser beam. The laser beam passes through a discharge area between a pair of electrodes and irradiates the high temperature plasma raw material. Pulsed power is applied to the space between the electrodes in such a way that discharge current reaches a specified threshold value at a time when at least part of the evaporated material reaches the discharge channel. As a result, discharge starts between the electrodes, plasma is heated and excited and then EUV radiation is generated. The EUV radiation thus generated passes through a foil trap, is collected by EUV radiation collector optics and then extracted. The irradiation of the laser beam allows setting of the space density of the high temperature plasma raw material to a specified distribution and defining of the position of a discharge channel. | 05-21-2009 |
| 20090121635 | Fused joint structure in a lamp tube and forming method therefor - A fused joint structure comprises a metallic foil; and a conductive member made of high melting point metal, wherein a concave portion is formed in the metallic foil and the conductive member on an area where the metallic foil is put together on a surface of the conductive member, and wherein a circumferential edge of the concave portion is covered with the conductive member. | 05-14-2009 |
| 20090121602 | Light source apparatus - A light source apparatus, comprises a discharge lamp and an auxiliary start-up light source provided in a base for the discharge lamp, wherein first and second external electrodes of the auxiliary start-up light source are formed on an outer face of a discharge container thereof, wherein a first lamp power feeder connected to a first external lead extending from one of the sealing portions of the discharge lamp and a first auxiliary light source power feeder connected to the first external electrode of the auxiliary start-up light source are connected to the first power supply terminal, and wherein a second lamp power feeder connected to a second external lead extending from the other sealing portion of the discharge lamp and a second auxiliary light source power feeder connected to a second external electrode of the auxiliary start-up light source are connected to the second power supply terminal. | 05-14-2009 |
| 20090102344 | Light source apparatus - A light source apparatus, comprises a lamp housing, a xenon lamp provided in the lamp housing, a reflection mirror which reflects light emitted from the xenon lamp, and first and second power feeders which supply electric power to the xenon lamp, wherein a direction of the first power feeder connected to one end of the xenon lamp and a direction of the second power feeder connected to the other end thereof are approximately in point symmetry with respect to a center of lamp axis connecting electrodes which face each other. | 04-23-2009 |
| 20090084992 | METHOD FOR GENERATING EXTREME ULTRAVIOLET RADIATION AND AN EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE - To achieve pulse-stretched EUV radiation without putting a large heat load on electrodes or requiring sophisticated control, a pulsed power is supplied between a first electrode and a second electrode provided inside a chamber to form a narrow discharge channel therebetween. A laser beam from a laser source irradiates high temperature plasma material to form low temperature plasma gas having an ion density of approximately 10 | 04-02-2009 |
| 20090058299 | Excimer lamp - A excimer lamp comprises an electric discharge container in which a sealing member is provided between a lid member and an arc tube which does not contain silica, and a pair of external electrodes which are separately provided on an outer surface of the arc tube, wherein rare gas and a fluoride is enclosed in the electric discharge container, and the fluoride is sulfur hexafluoride, carbon tetrafluoride, or nitrogen trifluoride. | 03-05-2009 |
| 20090058249 | Ultraviolet ray light source apparatus - An ultraviolet ray light source apparatus includes a discharge lamp in which a pair of electrodes are arranged inside an approximately rod shape arc tube, and a shrunk portion and a sealing portion are formed at both ends of the arc tube, a cooling jacket in which a lamp configuration space extending in parallel with the arc tube and is formed in a light emission section area of the discharge lamp, and a pair of lamp holders which supports the discharge lamp in the lamp configuration space, so that an axis of the arc tube is horizontally supported. The ultraviolet ray light source apparatus further comprises a cooling unit which sends cooling air toward an upper part of the shrunk portion at an end of the arc tube and a discharge section, provided below the shrunk portion, which discharges the cooling air. | 03-05-2009 |
| 20090046135 | Printer - In a printer, an image is formed by discharging a light curing type ink from a recording head on a recording medium and irradiating light from a light emission unit so as to harden the ink. The printer comprises a short arc type discharge lamp in which a pair of electrodes is provided in an electric discharge container so as to face each other a reflector which is provided so as to surround the discharge lamp, which has a concave face which reflect light from the discharge lamp wherein the pair of the electrodes are arranged so that a straight line formed by connecting the pair of electrodes, extends along an optical axis of the reflector, and wherein mercury of 0.08-0.30 mg/mm | 02-19-2009 |
| 20090039785 | Discharge lamp - A discharge lamp comprises a discharge container in which a sealing tube is connected to each end of an arc tube, electrodes arranged inside the arc tube, a glass member provided in the sealing tube, a metallic foil provided on an outer circumference face of the glass member, an external lead which is electrically connected to the metallic foil and which is inserted in a through hole of an external quartz tube, a low melting point glass which is formed in a gap between an inner circumference face of the through hole of the external quartz glass tube and an external circumference face of the external lead, wherein a concave portion is formed at an outer end of the through hole. | 02-12-2009 |
| 20090034948 | Light emitting type heat treatment apparatus - A light emitting type heat treatment apparatus includes relatively low rated power density filament lamps and relatively high rated power density filament lamps, in which a heat treatment including a temperature raising heat process for raising a work piece quickly to a predetermined heat treatment temperature by light emitted from the filament lamps, and a constant temperature heating process succeeding the temperature raising heating process in which the work piece is heated while the predetermined heat treatment temperature is maintained, and a control unit which controls lighting state of the filament lamps so that while at least filament lamps with relatively high rated power density are lighted in the temperature raising heating process, in the constant temperature heating process, only filament lamps with relatively low rated power density are lighted. | 02-05-2009 |
| 20090003784 | Light guiding member and bifurcated linear light source apparatus - A light guiding member having a light direction changing face which extends in a longitudinal direction of the light guiding member and a light emitting face which faces the light guiding member, wherein the light direction changing face includes two faces arranged so that vertical faces which extend in the longitudinal direction and are respectively vertical to the two faces, intersect with each other. Also, a bifurcated linear light source apparatus comprises a LED, a light guiding member which is made up of a transparent rod shape member, and which emits light generated by the LED, in two directions, from a longitudinal direction side face of the transparent rod shape member, and a reflection mirror which reflects the light emitted in one of the two directions, to the other direction of the two directions. | 01-01-2009 |
| 20080315782 | Discharge lamp lighting apparatus and projector - A discharge lamp lighting apparatus for turning on a discharge lamp has a lighting condition in which a projection is formed at a tip of an electrode for electric discharge. In the discharge lamp lighting apparatus, when the polarity-reversal mode is the second mode, the inverter control circuit operates to generate the inverter control signal so that a DC component contained in the output current increases more than that in the first mode, when the polarity-reversal mode is the first mode, and it is detected that the lamp voltage is lower than a predetermined first voltage, the polarity-reversal mode control circuit changes the polarity-reversal mode into the second mode, and when the polarity-reversal mode is the second mode, and it is detected that the lamp voltage is higher than a predetermined second voltage, the polarity-reversal mode control circuit changes the polarity-reversal mode into the first mode. | 12-25-2008 |
| 20080315771 | Electrode and extra-high pressure discharge lamp using the same - An electrode for an extra-high pressure discharge lamp, comprises large diameter portion which is symmetrical with respect to an axis of the electrode, a small diameter portion connected to the large diameter portion, wherein the large diameter portion is connected to the small diameter portion through an outer surface portion of the electrode, wherein a stripe lines like pattern portion, extending along an electrode axis direction, is formed on a portion to be brought in contact with glass of a lamp, and wherein unevenness is formed over an entire circumference of the electrode in a cross sectional view of the electrode taken along a direction perpendicular to the electrode axis direction. | 12-25-2008 |
| 20080304266 | Light source apparatus - A light source apparatus comprises a reflection mirror; a first support member which supports a first mouthpiece of a xenon lamp; a second support member which supports a second mouthpiece of the xenon lamp; a support plate which supports the reflection mirror and the first and second mouthpieces; wherein the first lamp support member has a lamp support portion, and a support stand which is supported by the support plate and supports the lamp support portion, and wherein the lamp support portion has a position changing portion capable of changing the first support member between two positions in an optical direction. | 12-11-2008 |
| 20080304264 | Light source apparatus - A light source apparatus comprises reflection mirrors, first and second lamp holding sections, wherein the reflection mirrors are provided between the first and second lamp holding section, a reflection mirror support plate to which reflection mirrors are attached, a first lamp holding section support plate to which the first lamp holding section is attached, a second lamp holding section support plate to which the second lamp holding section is attached, a first fixing member which fixes the reflection mirror support plate and the first lamp holding section support plate to each other, a second fixing member which fixes the reflection mirror support plate and the second lamp holding section support plate to each other. | 12-11-2008 |
| 20080253123 | LIGHT SOURCE APPARATUS - A light source apparatus comprises a casing having a light emission window which is formed on a front side of the casing; a lamp provided in the casing; a light condensing reflection mirror which is provided in the casing and which has a reflection face therein for reflecting light emitted from the lamp towards the light emission window; a lamp position adjustment mechanism which holds the lamp and adjusts a position of the lamp in the casing; and a spatial separation wall, wherein a light source installation space is defined by the casing and the spatial separation wall structure member, and wherein the lamp position adjustment mechanism is disposed outside the light source installation space. | 10-16-2008 |
| 20080237501 | EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE AND EXTREME ULTRAVIOLET RADIATION GENERATING METHOD - High temperature plasma raw material ( | 10-02-2008 |
