Patent application number | Description | Published |
20110272564 | PHOTOELECTRIC ENCODER - A photoelectric encoder has a scale in which a main track for detecting an amount of movement is formed in a measuring direction. The photoelectric encoder includes an origin signal generating portion provided at a part of the main track in a direction orthogonal to the measuring direction. Thereby, change in a light receiving signal due to passage of the origin signal generating portion is detected to generate an origin signal. Thus, the origin signal which is in agreement with a main signal in phase is obtained and improve the reproducibility of an origin position. | 11-10-2011 |
20120097843 | PHOTOELECTRIC ENCODER AND PHOTOELECTRIC ENCODER SYSTEM - A photoelectric encoder includes a scale in which diffraction gratings are formed at predetermined pitches in a measurement axis direction, a detection head which is relatively movable with respect to the scale, and which includes an illuminating portion configured to illuminate the scale, and a light receiving portion configured to receive light reflected by or transmitted through the diffraction gratings of the scale, a signal processing device configured to process a light reception signal output from the light receiving portion of the detection head, and a signal transmitting unit configured to transmit a signal between the detection head and the signal processing device. The signal processing device includes a display unit configured to display information indicating an attachment posture of the detection head with respect to the scale. | 04-26-2012 |
20120324750 | STRUCTURE FOR PROTECTING SCALE GRADUATIONS - In a structure for protecting scale graduations, in which a graduation unit formed on a scale base is protected by a scale cover arranged on the top surface side of the graduation unit, a space between the scale base and the scale cover along the entire lateral periphery of the graduation unit is sealed using an adhesive agent mixed with a powder material such as a glass powder for blocking penetration of graduations-deteriorating components, to form a periphery adhesive layer. The scale cover may be supported on the scale base by a height regulating unit provided along the periphery of the graduation unit, so that variations in encoder output due to unevenness in thickness of the adhesive agent for joining the scale cover with the graduation unit can be prevented. | 12-27-2012 |
20130214137 | PHOTOELECTRIC ENCODER - A photoelectric encoder includes an irradiation unit configured to apply first and second irradiation light beams having a first linear polarization direction, a scale configured to produce first and second diffraction light beams having the first linear polarization direction by diffracting the first and second irradiation light beams, respectively, the scale having a glass plate whose front surface has a grating shape, a polarizing unit configured to convert the first diffraction light beam into a third diffraction light beam having a second linear polarization direction which is perpendicular to the first linear polarization direction, to produce first and second composite light beams by combining the second diffraction light beam and the third diffraction light beam, and to convert the first composite light beam into a circularly polarized third composite light beam, and a light receiver configured to receive the second composite light beam and the third composite light beam. | 08-22-2013 |
20130327930 | OPTICAL ENCODER AND LENS FIXING MECHANISM THEREOF - An optical encoder includes a detection head. The detection head includes an optical system including a lens including a pair of bosses integrally formed with the lens and disposed with an optical axis of the lens therebetween, and an aperture plate having a pair of reference-pin-insertion holes disposed with an aperture therebetween; a housing including a pair of attachment portions and having a pair of lens-boss-insertion holes and a pair of reference-pin-insertion holes disposed on a central symmetry plane; a lens holder having a pair of lens-boss-insertion holes and a pair of reference-pin-insertion holes disposed on the central symmetry plane; and a pair of reference pins for positioning the lens holder and the aperture plate relative to the housing. An optical axis of the optical system is adjusted with respect to the bosses and the reference pins. | 12-12-2013 |
Patent application number | Description | Published |
20080291784 | Acoustic Wave Sensor - In an acoustic wave sensor for detecting a distance to an object and an orientation where the object is located with using acoustic waves, an acoustic wave generating device generating an acoustic wave by applying thermal impact to the air with no mechanical vibration is used as a wave transmitting device, and an electric capacitance microphone converting variation of pressure due to acoustic wave to variation of an electric signal is used as each wave receiving device. Therefore, dead zone caused by reverberation component included in the acoustic wave transmitted from the wave transmitting device and dead zone caused by reverberation component included in wave receiving signals outputted from the wave receiving devices can be shortened and angular sensitivity of the acoustic wave sensor can be increased, in comparison with a conventional acoustic wave sensor using piezoelectric devices as the wave transmitting device and the wave receiving devices. | 11-27-2008 |
20090103704 | VOICE INFORMATION PROCESSING DEVICE AND WIRING SYSTEM USING THE SAME DEVICE - A compact voice information processing device having excellent howling preventing effect, and a wiring system using the same device, which is excellent in function expandability and easy exchangeability, are provided. This processing device has a speaker, a first microphone disposed to face a diaphragm of the speaker, a second microphone disposed outside of an outer periphery of the diaphragm of the speaker, and a signal processing portion for removing an output voice component of the speaker mixed in an output of the second microphone by use of an output of the first microphone. This processing device is preferably used in a wiring system for transmitting information and electric power between plural locations in a building structure. | 04-23-2009 |
20110024274 | MEMS SWITCH AND METHOD OF MANUFACTURING THE MEMS SWITCH - The MEMS switch comprises a substrate with signal-lines having fixed-contacts, a movable-plate with a movable-contact, a flexible support-member supporting the movable-plate, a static-actuator and a piezoelectric-actuator configured to contact the movable-contact with the fixed-contact. The movable-contact is provided at its longitudinal center with the movable-contact, and its both the longitudinal ends with static-movable-electrode-plate. The support-member is four strips disposed on portions outside of the both width ends of the movable plate. The strip extends along the longitudinal direction of the movable plate, provided with a first end fixed to the movable plate, and provided with a second end fixed to the substrate. The piezoelectric-element is disposed on an upper surface of the strip to be located at a portion outside of the width ends of the movable-plate. The piezoelectric-actuator is configured to develop the stress applied to the coupling-portion which is created between each the strip and the movable-plate. | 02-03-2011 |
Patent application number | Description | Published |
20090214197 | IMAGING APPARATUS AND IMAGING SYSTEM - An imaging apparatus includes an imaging unit configured to convert an object image formed by an imaging optical system into an electrical signal, a power supply unit capable of being supplied with power from first and second power supply systems, and a control unit configured to cause the imaging unit to operate in different control modes according to whether power is supplied from the first power supply system or the second power supply system. | 08-27-2009 |
20110080498 | IMAGE PICKUP APPARATUS - At least one exemplary embodiment is directed to an image pickup apparatus that has an external sensor for detecting brightness separately from an image sensor for obtaining an image pickup signal and controls the insertion and removal of a filter into and from an image pickup optical system in accordance with the brightness of the subject, using brightness information obtained from the external sensor and the image pickup signal. | 04-07-2011 |
20110242678 | MOTOR DRIVEN OPTICAL APPARATUS - The optical apparatus including a motor to move an optical element, a position detector configured to detect a position of the optical element, a controller configured to control drive of the motor by using a position detection signal from the position detector, and a memory configured to store a reference movement amount of the optical element corresponding to a moving speed and a moving time period of the optical element moved by the motor. The controller is configured to acquire a correction value for reducing a difference between (a) an actual movement amount of the optical element obtained by using the position detection signal when the optical element is moved by the motor and (b) the reference movement amount, and then to control the drive of the motor by using the correction value. | 10-06-2011 |
20130009588 | DRIVE CONTROLLING APPARATUS AND DRIVE CONTROLLING METHOD FOR STEPPING MOTOR, DRIVE CONTROLLING SYSTEM, AND OPTICAL APPARATUS - A drive controlling apparatus includes a driver configured to apply driving signals configured to excite a plurality of windings in a stepping motor, and a controller configured to acquire a detection result of excitation currents in the windings, and to provide a feedback control over the driving signals so that a difference can be reduced between a first time difference and a second time difference, the first time difference being a period from a first reference time set in an excitation current waveform of the winding corresponding to a first drive channel to a time at which a set current value is provided, and the second time difference being a period from a second reference time corresponding to the first reference time and set in the excitation current waveform of the winding corresponding to the second drive channel to a time at which the set current value is provided. | 01-10-2013 |
20130222926 | OPTICAL APPARATUS - An optical apparatus includes a controller configured to control driving of a focus lens in manual focusing. A moving speed of the focus lens is expressed by a function of an operating speed of the operating unit, and the controller generates a control signal for the driver in accordance with the function. When the operating speed of the operating unit is equal to or lower than a threshold, the function is such a linear function that the moving speed of the focus lens linearly increases as the operating speed of the operating unit increases. When the operating speed of the operating unit is higher than the threshold, a differential value of the function increases as the operating speed of the operating unit increases. The function is continuous and smooth at the threshold. | 08-29-2013 |
20130308042 | IMAGE PICKUP APPARATUS, LENS APPARATUS, AND IMAGE PICKUP SYSTEM - An image pickup system includes a lens apparatus, and an image pickup apparatus to which the lens apparatus is detachably attached. The image pickup apparatus controller changes a cycle of a control reference signal for internal processing of the image pickup apparatus, and sends a command of changing the cycle of the control reference signal to the lens controller in synchronization with a post-change control reference signal. The lens controller that has received the command changes the cycle of the control reference signal when the lens apparatus is ready to change the cycle of the control reference signal, and sends to the image pickup apparatus controller information representing whether the lens controller has been able to follow the change of the cycle of the control reference signal. | 11-21-2013 |
Patent application number | Description | Published |
20090060542 | Image Forming Apparatus and an Image Forming Method - An image forming apparatus includes: an exposure head including an imaging optical system arranged in a first direction and a light emitting element that emits light to be imaged by the imaging optical system; a latent image bearing member that moves in a second direction and carries a latent image formed by the exposure head; a developing unit that develops the latent image formed by the exposure head; a detector that detects the image developed by the developing unit; and a controller that controls image formation such that a width L | 03-05-2009 |
20090060543 | Image Forming Apparatus, An Image Forming Method And An Image Detecting Method - An image forming apparatus, includes: an exposure head that includes an imaging optical system which is arranged in a first direction and a light emitting element which emits light to be focused by the imaging optical system; a latent image carrier that moves in a second direction orthogonal to or substantially orthogonal to the first direction and carries a latent image which is formed by the exposure head; a developing unit that develops the latent image formed on the latent image carrier by the exposure head; and a detector that detects an image which is developed by the developing unit and is formed using one imaging optical system. | 03-05-2009 |
20090060544 | Image Forming Apparatus, an Image Forming Method and an Image Detecting Method - An image forming apparatus, includes: an exposure head that includes a first imaging optical system, a second imaging optical system, a first light emitting element which emits light to be focused by the first imaging optical system, and a second light emitting element which emits light to be focused by the second imaging optical system, the first imaging optical system and the second imaging optical system being arranged in a first direction; a latent image carrier that moves in a second direction orthogonal to or substantially orthogonal to the first direction and carries a latent image which is formed by the exposure head; a developing unit that develops the latent image formed by the exposure head; and a detector that detects an image developed by the developing unit, wherein a first latent image that is focused by the first imaging optical system and a second latent image that is focused by the second imaging optical system are connected. | 03-05-2009 |
20090060580 | Image Forming Apparatus, an Image Forming Method and an Image Detecting Method - An image forming apparatus, includes: an exposure head that includes a plurality of imaging optical systems which are arranged in a first direction and a plurality of light emitting elements which emit lights to be imaged by the imaging optical systems; a latent image carrier that moves in a second direction orthogonal to or substantially orthogonal to the first direction and carries a latent image formed by the exposure head; a developer that develops the latent image; and a detector that detects an image developed by the developer, wherein the image detected by the detector has a width in the first direction wider than that of an image formed by one imaging optical system. | 03-05-2009 |
20090074438 | Image Forming Apparatus, An Image Forming Method and An Image Detecting Method - An image forming apparatus, includes: a latent image carrier that moves in a first direction; an exposure head that includes a light emitting element and an imaging optical system row which is arranged in the first direction and which is made up of imaging optical systems which are arranged in a second direction different from the first direction and image light emitted from the light emitting element on the latent image carrier; a developing unit that develops a latent image formed on the latent image carrier by the exposure head; and two detectors that detect an image obtained by developing a latent image by the developing unit, the latent image being formed using the same imaging optical system row. | 03-19-2009 |
20090175637 | Image Forming Apparatus and Image Forming Apparatus Control Method - An image forming apparatus includes a first image carrier that carries a first latent image. A first charging section charges the first image carrier. A first exposure section exposes the first image carrier charged by the first charging section. A first developing section develops the first latent image formed on the first image carrier in the first exposure section using a first liquid developer containing a carrier and first toner particles. A first primary transfer section transfers a first image developed in the first developing section onto a transfer medium. A second image carrier carries a second latent image. A second charging section charges the second image carrier. A second exposure section exposes the second image carrier charged by the second charging section. | 07-09-2009 |
Patent application number | Description | Published |
20110124727 | Oxybuprocaine-Containing Analgesic/Antipruritic External Preparation - An analgesic/antipruritic external preparation that includes a local anesthetic, has fewer side effects, and has an excellent therapeutic effect on pain and itching of the skin is provided. The analgesic/antipruritic external preparation includes oxybuprocaine or a pharmaceutically acceptable salt thereof as an active ingredient, and the oxybuprocaine or a pharmaceutically acceptable salt thereof is contained in an amount of 0.1 to 60 wt %, more preferably 1 to 40 wt %, and most preferably 5 to 30 wt %. The analgesic/antipruritic external preparation has a dosage form as an external preparation wherein the dosage form is an ointment, a solution, a suspension, an emulsion, a lotion, a cataplasm, a tape, an aerosol, or a powder for external use. | 05-26-2011 |
20110160194 | Anti-Inflammatory Analgesic External Preparation - An external preparation that effectively produces the anti-inflammatory analgesic effect of a non-steroidal anti-inflammatory analgesic agent, and reduces skin irritation on the application site of the preparation and has an excellent effect on pain associated with inflammation such as chronic rheumatoid arthritis, osteoarthritis, and also lumbago is provided. The external preparation includes a non-steroidal anti-inflammatory analgesic agent and oxybuprocaine or a pharmaceutically acceptable salt thereof. The external preparation includes the non-steroidal anti-inflammatory analgesic agent at a content of 0.1 to 10 wt % based on the total weight of the formulation and oxybuprocaine or a pharmaceutically acceptable salt thereof at a content of 0.01 to 60 wt % based on the total weight of the formulation. The external preparation has a dosage form as an external preparation wherein the dosage form is an ointment, a solution, a suspension, an emulsion, a lotion, a cataplasm, a tape, an aerosol, or a powder for external use. | 06-30-2011 |
Patent application number | Description | Published |
20090017358 | SOLID POLYELECTROLYTE FILM, PROCESS FOR PRODUCING THE SAME, AND FUEL CELL - A high-performance solid polyelectrolyte film is provided which is produced by the radiation-induced graft polymerization method without causing solution gelation and which is excellent in mechanical strength, chemical stability, and dimensional stability and reduced in methanol permeability. According to the present invention, the solid polyelectrolyte film is produced by graft-polymerizing either a polymerizable monomer having an alkoxysilyl group alone or the polymerizable monomer having an alkoxysilyl group and another polymerizable monomer with a resin film which has been irradiated with a radiation, followed by hydrolyzing the alkoxysilyl groups to conduct dehydrating condensation. In addition, this solid polyelectrolyte film is disposed between a fuel electrode and an air electrode to fabricate a fuel cell. | 01-15-2009 |
20090286128 | SOLE POLYELECTROLYTE FILM AND PROCESS FOR PRODUCING SAME, AND FUEL CELL - In the present invention, a solid polyelectrolyte film is obtained by irradiating a dense fluorinated resin film having a thickness of 10 to 50 μm in an inert gas atmosphere with an electron beam having been accelerated at an accelerating voltage of 60 to 300 kV in vacuum and transmitted through an electron beam-transmitting window so that an absorbed dose is from 1 to 50 kGy, followed by graft-polymerizing a polymerizable monomer. Moreover, the solid polyelectrolyte film is disposed between a fuel electrode and an air electrode to form a fuel cell. | 11-19-2009 |
20100143764 | ELECTROLYTE FOR FUEL CELL, ELECTROLYTE MEMBRANE FOR FUEL CELL, BINDER FOR FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL - Disclosed is an electrolyte for fuel cells, which is mainly composed of a copolycondensate of a polyimide having an alkoxysilyl group at an end and an alkoxysilane having an ion-conducting group. Also disclosed are an electrolyte membrane for fuel cells, a binder for fuel cells and a membrane electrode assembly for fuel cells, each using the electrolyte, and a fuel cell using such a membrane electrode assembly for fuel cells. The electrolyte enables to obtain an electrolyte membrane, a binder and a membrane electrode assembly, each having high ion conductivity, high strength, high toughness, low swelling and low fuel permeability suitable for fuel cells. By using such an electrolyte, there can be obtained a low-cost fuel cell having high output power and high durability. | 06-10-2010 |
20100248071 | ELECTROLYTE MEMBRANE-ELECTRODE ASSEMBLY FOR DIRECT METHANOL FUEL CELL - Disclosed is an electrolyte membrane-electrode assembly for direct methanol fuel cells, wherein a solid polymer electrolyte membrane is held between a pair of electrodes each composed of a catalyst layer coated over and/or impregnated in a porous supporting body. This electrolyte membrane-electrode assembly for direct methanol fuel cells is characterized in that the solid polymer electrolyte membrane is obtained by irradiating a resin membrane with radiation and graft-polymerizing a radically polymerizable monomer. The electrolyte membrane-electrode assembly for direct methanol fuel cells is further characterized in that the catalyst layer of the anode electrode comprises a catalyst, wherein platinum group metal or platinum-containing alloy particles having a particle size of 5 nm or less are supported by carbon particles, and a solid polymer electrolyte, and the noble metal amount in the catalyst layer of the anode electrode is not more than 5 mg/cm | 09-30-2010 |
Patent application number | Description | Published |
20100126787 | MOVING OBJECT - A moving object that moves through inverted pendulum control is equipped with a passenger seat in which a passenger sits, a chassis disposed below the passenger seat, a wheel rotatably mounted on the chassis, a drive portion that rotationally drives the wheel, and a weight unit that is provided at least partially in front of an axle of the wheel. | 05-27-2010 |
20100230919 | MOBILE UNIT - A mobile unit that moves with a passenger seated thereon includes: an arm rest on which an arm of the passenger is to be placed; and a forward detection sensor that is installed at a distal end portion of the arm rest. | 09-16-2010 |
20110035101 | VEHICLE AND ITS CONTROL METHOD - To provide a vehicle capable of performing a transition between a stable state and an inverted state with a simple structure. A vehicle in accordance with an aspect of the present invention is a vehicle that moves by inverted pendulum control, including a rider seat, a chassis, a right driving wheel, a left driving wheel, motors to rotationally drive the right driving wheel and the left driving wheel, a forward bar protruding forward beyond the chassis, a motor to rotational drive the forward bar, a footstep attached to the forward bar, and a control box to control the motor. The feet of a rider 80 are put on the footstep. The control box changes the vehicle to an inverted state by raising the footstep so that the footstep moves away from a ground, or changes the vehicle to a stable state by lowering the footstep so that the footstep comes into contact with the ground. | 02-10-2011 |
Patent application number | Description | Published |
20100269770 | Electric Valve Timing Control Device of Internal Combustion Engine - A drive rotation member is driven by a crankshaft of the engine, and a driven rotation member is rotatable relative to the drive rotation member and secured to a cam shaft of the engine. An electric motor is arranged to rotate together with the drive rotation member and produces a dynamic power when fed with an electric current through brushes. A hollow control shaft is rotatable relative to the drive rotation member and forces the driven rotation member to rotate relative to the drive rotation member when rotated by the power of the electric motor. A bearing device is arranged between the driven rotation member and the hollow control shaft for smoothing a relative rotation therebetween. The bearing device includes a plurality of rollers. A lubrication oil feeding structure is provided for causing the rollers of the bearing device to be submerged in a lubrication oil at least when the engine is in operation. | 10-28-2010 |
20110253085 | VALVE-TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A valve-timing control apparatus includes a drive rotator configured to receive a rotation from a crankshaft; a driven rotator fixed to a cam shaft; and an electric motor. The electric motor includes a stator fixed to the driven rotator, a rotor that rotates relative to the stator, a coil provided to at least one of the stator and the rotor, and a motor output shaft fixed to the rotor. The valve-timing control apparatus further includes a speed-reduction mechanism; a slip ring provided to one of the drive rotator and a fixed member, and configured to feed power to the coil; a power-feeding brush provided to another of the drive rotator and the fixed member, and abutting on the slip ring; a detection-target section provided to one of the fixed member and the motor output shaft, and located on an inner circumferential side beyond a contact portion between the slip ring and the power-feeding brush; and a detecting section provided to another of the fixed member and the motor output shaft, and configured to detect a rotational position of the motor output shaft by detecting a position of the detection-target section. | 10-20-2011 |
20110265747 | VARIABLE VALVE ACTUATION APPARATUS OF INTERNAL COMBUSTION ENGINE - In a variable valve actuation apparatus with a speed reducer between a timing sprocket and a camshaft for changing a phase of the camshaft relative to the sprocket, while reducing normal-rotation/reverse-rotation of an electric motor, the speed reducer includes an eccentric rotation member connected to an output shaft of the motor, an annular member connected to the sprocket, a plurality of rollers installed between an inner toothed portion of the annular member and an outer peripheral surface of the eccentric rotation member, and a cage connected to the camshaft for circumferentially partitioning the respective rollers, while permitting a radial displacement of each roller. Depending on a dimension of a clearance space between the eccentric rotation member and the annular member, a suitable one of a plurality of roller sets, each having a different outside diameter, is selected, and then the selected rollers are installed. | 11-03-2011 |
20120112585 | Actuator for Variable Valve Operating Apparatus - An electric motor includes a motor casing formed with a shaft insertion hole and a motor output shaft extending in the shaft insertion hole and projecting to a speed reducing mechanism. An annular oil seal is disposed between the shaft insertion hole and the motor output shaft and the annular oil seal includes an annular seal retainer buried in the annular oil seal for reinforcement. A C-shaped stopper member extending circumferentially from a first end to a second end spaced from the first end, is held in a holding portion or a fitting groove of the shaft insertion hole, and arranged to prevent movement of the oil seal toward the speed reducing mechanism. The stopper member includes a plurality of beam segments confronting the seal retainer from an axial direction of the motor output shaft. | 05-10-2012 |
20120174883 | Controller of Valve Timing Control Apparatus and Valve Timing Control Apparatus of Internal Combustion Engine - In a valve timing control apparatus configured to execute phase-control via a phase converter, a controller is configured to control a phase angle of a camshaft relative to a crankshaft during an engine stopping period to a target phase angle differing from a required phase angle suited for an engine operating condition. The controller is further configured to change the phase angle of the camshaft toward the required phase angle during a time period from a point of time when cranking starts to a point of time when detection of a rotational position of the camshaft initiates during an engine restarting period. The controller is still further configured to start feedback-control for the phase angle of the camshaft from the point of time of initiation of detection of the rotational position of the camshaft for bringing the phase angle of the camshaft closer to the required phase angle. | 07-12-2012 |
20120312259 | VARIABLE VALVE TIMING CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE - A variable valve timing control apparatus has a drive rotary member, a driven rotary member fixed to a camshaft, an electric motor relatively rotating a motor drive shaft with respect to the drive rotary member, a speed reduction mechanism transmitting rotation of the motor drive shaft to the driven rotary member a housing connected integrally with the drive rotary member and housing therein the electric motor, a cover member fixed to an engine so as to cover at least a front end part of the housing, a power feed mechanism having a slip ring and a power-feed brush that touches the slip ring and feeding power to the electric motor, and a ring-shaped member. The ring-shaped member is fixed to either one side of the cover member and the motor drive shaft, and makes sliding contact with the other side of the cover member and the motor drive shaft. | 12-13-2012 |
20130206087 | VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A valve timing control apparatus for an internal combustion engine, including a drive rotation member, a follower rotation member, an electric motor, and a speed reducer including an internal gear portion, an eccentric cam on an inner peripheral side of the internal gear portion, rollers disposed between the internal gear portion and the eccentric cam, and a cage rotatable relative to the internal gear portion by rotation of the eccentric cam. A motor output shaft is arranged in series relative to the eccentric cam in an axial direction thereof. A needle bearing is rollably disposed on a part of an outer peripheral surface of the follower rotation member. The eccentric cam and the motor output shaft are press-fitted onto an outer peripheral portion of the needle bearing. The needle bearing extends over both the eccentric cam and the motor output shaft. | 08-15-2013 |
20140076253 | VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND CONTROLLER FOR VALVE TIMING CONTROL APPARATUS - A valve timing control apparatus includes: an urging member to which a set load is provided to act, to the cam shaft, an urging force from one of the most retard angle position and the most advance angle position toward the intermediate phase position; and a controller configured to sense, as the intermediate phase position, a position at which a relative rotational speed between the driving rotational member and the cam shaft is varied by the relative rotation of the cam shaft beyond a region in which the cam shaft is controlled by the set load of the urging member, when the cam shaft is controlled to be relatively rotated from the one of the most retard angle position and the most advance angle position beyond the intermediate phase position. | 03-20-2014 |
20140165938 | VALVE-TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A valve-timing control apparatus includes a drive rotating member; a driven rotating member fixed to a cam shaft; an electric motor configured to rotate the driven rotating member relative to the drive rotating member; a motor housing connected integrally with the drive rotating member; a cover member located to face a front portion of the housing; a tubular motor output shaft provided inside the housing to be rotatable relative to the housing; and a plug member fixed to an inner circumferential surface of a tip portion of the tubular motor output shaft and configured to inhibit lubricating oil supplied into the tubular motor output shaft from leaking to an external. The plug member includes a core member formed in a bottomed tubular shape and formed with a through-hole in its bottom portion, and an elastic body coating at least the through-hole and an outer circumferential surface of the core member. | 06-19-2014 |
20140182532 | VALVE-TIMING CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE AND COVER MEMBER OF VALVE-TIMING CONTROL APPARATUS - A valve-timing control apparatus includes a phase change mechanism configured to change a valve timing, a cover member provided near a front end side of the phase change mechanism; slip rings provided to one of a front end portion of the phase change mechanism and a facing surface of the cover member which faces the phase change mechanism; a pair of brushes provided to another of the front end portion of the phase change mechanism and the facing surface of the cover member to be axially slidable. One end portion the pigtail harness is connected with the corresponding brush. Another end portion of the pigtail harness is connected with a connector terminal under a deflected state, at a location radially shifted from an axis of the corresponding brush. The another end portions of the pair of pigtail harnesses are separated from each other by a partition wall. | 07-03-2014 |
20140216202 | VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - A valve timing control apparatus for an internal combustion engine, including a drive rotation member, a follower rotation member, an electric motor serving to change a relative rotational phase of the drive rotation member and the follower rotation member, a torsion spring accommodated in an annular accommodation space having an axial closed end which is formed between an inner periphery of the drive rotation member and an outer periphery of the follower rotation member, and a stop plate fixed to the drive rotation member so as to cover a part of an axial open end of the annular accommodation space, the stop plate cooperating with the follower rotation member or a camshaft to restrict relative rotation of the drive rotation member and the follower rotation member within a predetermined angular range. | 08-07-2014 |
20140216372 | VALVE TIMING CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE - In a valve timing control system of an internal combustion engine employing both an electric-motor-driven intake valve timing control device for changing intake valve timing and an electric-motor-driven exhaust valve timing control device for changing exhaust valve timing, the intake valve timing control device includes a less-friction roller speed reducer having a toothed gear and configured to transmit torque by repeated relocations of each of rollers rolling and relocating from one of two adjacent teeth of the toothed gear to the other. In contrast, the exhaust valve timing control device includes a planetary-gear speed reducer having a friction greater than a friction of the roller speed reducer and configured to transmit torque by meshed-engagement of toothed gears in mesh with each other. | 08-07-2014 |
20140216374 | VALVE TIMING CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - In a valve timing control system for an internal combustion engine, brushes and slip rings are disposed within a space formed between each of an intake air side and an exhaust side device main frames and each of intake air side and exhaust side cover members and partitioned by means of the respective seal members and the respective cover members are configured to enable radial directional position adjustments by a predetermined quantity and are fixed to the internal combustion engine in a state in which the radial directional position adjustments of the respective cover members have been made. | 08-07-2014 |
20140245978 | VALVE TIMING CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE - In a valve timing control system of an internal combustion engine employing both an electric-motor-driven intake valve timing control device (VTC) and an electric-motor-driven exhaust VTC having similar fundamental configurations, a maximum drive-efficiency motor-speed range of a first electric motor of the intake VTC and a maximum drive-efficiency motor-speed range of a second electric motor of the exhaust VTC are set to differ from each other depending on two different working ranges respectively suitable for the intake VTC and the exhaust VTC such that the maximum drive-efficiency motor-speed range of the intake VTC is set higher than that of the exhaust VTC. A reduction ratio of a first speed reducer configured to reduce a rotational speed of the first electric motor is set higher than that of a second speed reducer configured to reduce a rotational speed of the second electric motor. | 09-04-2014 |
20150075475 | CONTROLLER OF VARIABLE VALVE APPARATUS OF INTERNAL COMBUSTION ENGINE AND VARIABLE VALVE SYSTEM OF INTERNAL COMBUSTION ENGINE - A controller of a variable valve apparatus of an internal combustion engine has an engine start indication detecting circuit that detects an indication of an engine start. When the indication of the engine start is detected by the engine start indication detecting circuit in a state in which temperature of the engine is lower than a predetermined temperature, an electric motor provided in the variable valve apparatus is supplied with a current, and this current supply to the electric motor is maintained for a predetermined time from a time point of the detection of the indication of the engine start to an engine cranking start. | 03-19-2015 |
Patent application number | Description | Published |
20080284284 | RESONANT ACTUATOR - A resonant actuator includes a driving unit having a displacement element that vibrates at a resonance frequency or in a frequency range in the vicinity of a resonance frequency and having a driven member that is driven by the displacement element, in which the displacement element has a piezoelectric ceramic body made of a bismuth layered compound. The displacement direction of the displacement element is preferably substantially the same as the direction of polarization of the piezoelectric ceramic body. The bismuth layered compound is preferably oriented such that the direction of the c crystallographic axis is substantially perpendicular to the direction of polarization of the piezoelectric ceramic body. More preferably, the degree of c-axis orientation is determined to be at least about 75% by the Lotgering method. Thereby, it is possible to provide a resonant actuator having a large saturated vibration velocity, minimizing reductions in the resonance frequency fr and the mechanical quality factor Qm without the destabilization of the vibration velocity even at a high vibration velocity, and having a large amount of displacement even at a high electric field. | 11-20-2008 |
20080290316 | PIEZOELECTRIC CERAMIC COMPOSITION - A piezoelectric ceramic composition represented by the formula (1-x) (K | 11-27-2008 |
20090023578 | CERAMIC POWDER AND METHOD FOR PRODUCING CERAMIC POWDER - A ceramic powder contains a principal component that is a perovskite-type complex oxide represented by the formula ANbO | 01-22-2009 |
20090302961 | RESONANT ACTUATOR - A piezoelectric ceramic base member is formed of a bismuth layer compound to have a bar shape. Main electrodes and are provided on two end surfaces of the piezoelectric ceramic base member in an oscillation direction, and connection electrodes are formed at side-surface central portions of the piezoelectric ceramic base member and are electrically connected to the main electrodes through extraction conductors interposed therebetween, respectively. In addition, the oscillation and polarization directions are set in the same direction, and the piezoelectric ceramic base member is driven at a resonant frequency or at a frequency in the vicinity thereof. In the piezoelectric ceramic base member, the crystal c axis is preferably oriented in a direction orthogonal to the polarization direction. Accordingly, a resonant actuator can be realized which is able to obtain a high oscillation speed since having a large mechanical quality factor Qm, and the oscillation of which is not disturbed by mechanical factors. | 12-10-2009 |
20100102679 | PIEZOELECTRIC PORCELAIN COMPOSITION, AND PIEZOELECTRIC CERAMIC ELECTRONIC COMPONENT - A piezoelectric porcelain composition includes a main ingredient represented by a general formula ((1−x)(K | 04-29-2010 |
Patent application number | Description | Published |
20090249010 | APPARATUS AND METHOD FOR CONTROLLING COPYING - Pre-update data is copied from a first storage device onto a second storage device in response to an update instruction to update data on the backup target volume on the first storage device. A copy status of each data on the backup target volume is managed with position information of the data mapped thereto. If bad data is present in the data on the backup target volume, the position information indicating the position of the bad data is searched. In accordance with the copy status managed with the position information mapped thereto, it is determined whether the pre-update data of the bad data is stored on the second storage device. | 10-01-2009 |
20110087850 | STORAGE APPARATUS AND METHOD FOR STORAGE APPARATUS - A storage apparatus includes a storage module, a memory having areas storing data to be copied to the storage device, a saving buffer for temporarily saving the data stored in the areas, a control module for executing receiving a write request including the data to be stored in the storage apparatus, storing the data included in the write request to the storage module and one area, saving the data stored in the one area to the saving buffer when the number of areas which the copying is executed is not less than the threshold value, copying the data stored in the one area to the storage device or writing the saved data stored in the saving buffer to the one area when the number of areas which the copying is executed is less than the threshold value, determining the threshold value in accordance with an amount of the write request. | 04-14-2011 |
20110191551 | STORAGE APPARATUS AND STORAGE MANAGEMENT METHOD - A storage apparatus capable of copying data to a destination apparatus includes storages including a plurality of volumes for storing data, memories for temporarily storing data to be copied to the destination apparatus, and processors for controlling to copy the data, each processor being configured to manage the memories and parts of the volumes, respectively, and wherein one processor executes storing received write data to one memory and the part, detecting each data amounts stored in the memories when an data amount of one memory is greater than a predetermined amount, allocating management of a part of the part managed by the one processor to other processor when the amount of the data stored in the one memory is greater than an amount calculated by using the data stored in the memories, and transmitting the data stored in the memories to the destination apparatus. | 08-04-2011 |
20110197041 | STORAGE APPARATUS, STORAGE APPARATUS CONTROL PROGRAM, AND STORAGE APPARATUS CONTROL METHOD - A save control section included in a storage apparatus continuously performs writeback by which a data group is read out from a plurality of storage sections of the storage apparatus and by which the data group is saved in a data group storage section of the storage apparatus, or staging by which a data group saved in the data group storage section is distributed and stored in the plurality of storage sections according to storage areas of the data group storage section which store a plurality of data groups. An output section of the storage apparatus outputs in block a data group including the data stored in each of the plurality of storage sections. The data group storage section has the storage areas for storing a data group. | 08-11-2011 |
20110246599 | STORAGE CONTROL APPARATUS AND STORAGE CONTROL METHOD - An apparatus includes a first storage unit for storing data received from the upper-layer apparatus in the first storage unit, a second storage unit, a data transmitting unit for transmitting the data stored in the first storage unit to the second storage apparatus based on an order that the data is stored in the first storage unit, a transferring unit for transferring and storing transfer data stored in the first storage unit into the second storage unit when an amount of the data stored in the first storage unit is larger than a predetermined amount, the transfer data being at least part of the data stored in the first storage unit; and, a staging unit for transferring the transfer data stored in the second storage unit into the first storage unit if an amount of the data stored in the first storage unit is smaller than a predetermined amount. | 10-06-2011 |
20110314221 | STORAGE APPARATUS, CONTROLLER AND STORAGE APPARATUS CONTROL METHOD - An apparatus including: a first storage for storing first data; second storages for storing the first data; a storage controller for storing the first data stored in the first storage into the second storage; a third storage for saving data including second data; a saving device for reading the data and saving the data in the third storage; a data set output device for outputting the data to a copy destination device; a restoration device for storing the data saved in the third storage into available ones of the second storages; and a suspending device for causing the data set output device to output all of the data stored in the second storage to the copy destination device and then suspending the output of the data by the data set output device to the copy destination device to place the data set output device in a suspend state. | 12-22-2011 |
Patent application number | Description | Published |
20090039737 | METHOD OF FABRICATING CASE, PIEZOELECTRIC OSCILLATOR, OSCILLATOR, ELECTRONIC APPLIANCE, AND RADIO CLOCK - A method of fabricating a case accommodating a piezoelectric vibrating piece therein in a piezoelectric oscillator including the piezoelectric vibrating piece, including the steps of: applying deep drawing to a conductive plate member to shape the plate member in a nearly cylindrical shape with a bottom; pressing an inner surface of a bottom part of the plate member by a punch for step drawing while an outer surface of the bottom part is being abutted against a surface including an opening of a hole of a die having an inner diameter smaller than the outer diameter of the bottom part, whereby a projecting portion is formed on the outer surface of the bottom part; and cutting the plate member having the projecting portion at a predetermined position on the opening side thereof, whereby a case in a nearly cylindrical shape with a bottom having the projecting portion is obtained. | 02-12-2009 |
20090039971 | METHOD OF FABRICATING HERMETIC TERMINAL AND HERMETIC TERMINAL, METHOD OF FABRICATING PIEZOELECTRIC OSCILLATOR AND PIEZOELECTRIC OSCILLATOR, OSCILLATOR, ELECTRONIC APPLIANCE, AND RADIO CLOCK - A method of fabricating a hermetic terminal includes: joining and firing wherein a bar-shaped member to be a lead is inserted into a ring, and they are fired to form a hermetic terminal intermediate having the bar-shaped member fixed in the ring; flattening wherein an end part of the bar-shaped member to be the inner lead portion of the lead is flattened to form a stair portion; and shaping wherein an end part of the stair portion is cut to shape the stair portion into a predetermined shape, wherein in the joining and firing step, a solid round bar longer than the lead is used as the bar-shaped member, and one end side of the bar-shaped member to be the inner lead portion is inserted into the ring so that the one end side is longer than the inner lead portion in the hermetic terminal as a completed product. | 02-12-2009 |
20090144956 | PIEZOELECTRIC VIBRATOR AND METHOD OF FABRICATING PIEZOELECTRIC VIBRATOR, AND OSCILLATOR, ELECTRONIC APPARATUS, AND RADIO WAVE TIMEPIECE HAVING PIEZOELECTRIC VIBRATOR - To achieve small-sized formation of a piezoelectric vibrator while preventing exciting electrodes provided at both faces of the piezoelectric vibrating piece from being shortcircuited to each other and enabling to fabricate the piezoelectric vibrating piece easily, there is provided a piezoelectric vibrator | 06-11-2009 |
20090152994 | PIEZOELECTRIC VIBRATING REED, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, WAVE CLOCK, AND MANUFACTURING METHOD OF PIEZOELECTRIC VIBRATING REED - A piezoelectric vibrating reed includes a piezoelectric plate made of a piezoelectric material, a pair of exciter electrodes formed on outer surfaces of the piezoelectric plate and configured to vibrate the piezoelectric plate when a predetermined voltage is applied thereon, and a pair of mount electrodes electrically connected to the pair of exciter electrodes, respectively. One mount electrode in the pair of mount electrodes is formed on one surface (under surface) of the piezoelectric plate and the other mount electrode is formed on the other surface (top surface) of the piezoelectric plate in a state not to oppose the one mount electrode with the piezoelectric plate in between. Accordingly, not only can power be saved, but also higher performance can be achieved by lowering the R1 characteristic and thereby enhancing the vibration characteristic. | 06-18-2009 |
20100236038 | METHOD OF MANUFACTURING A PACKAGE, AND PACKAGE, ELECTRONIC DEVICE, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS, AND RADIO CLOCK - There is There is provided a method of manufacturing a package | 09-23-2010 |
20100237740 | METHOD OF MANUFACTURING PIEZOELECTRIC VIBRATOR, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, AND RADIO CLOCK - There is provided a method of manufacturing piezoelectric vibrators | 09-23-2010 |
20100313399 | METHOD OF MANUFACTURING PIEZOELECTRIC VIBRATOR, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC DEVICE, AND RADIO CLOCK - When a base substrate where through electrodes are formed is anodically bonded to a lid substrate that includes a bonding film formed on the entire lower surface thereof, a method of manufacturing a piezoelectric vibrator includes a superimposing process for superimposing the lid substrate on the base substrate so that a piezoelectric vibrating reed is received in a cavity, after bonding the piezoelectric vibrating reed to the upper surface of the base substrate; a setting process for placing a dummy member, which is made of a material in which ions can be transferred at a bonding temperature, on an electrode plate, and placing the superimposed substrates on the dummy member so that the base substrate faces the dummy member; and an applying process for applying a bonding voltage between the electrode plate and the bonding film after heating the dummy member and the substrates up to the bonding temperature. | 12-16-2010 |
20110284148 | ANODIC BONDING METHOD, ANODIC BONDING JIG AND ANODIC BONDING APPARATUS - An anodic bonding method for anodically bonding a first substrate and a second substrate includes: a substrate placement step in which the first substrate and the second substrate are stacked and placed on a flat surface of a base with a surface of one of the first substrate and the second substrate to be cathode in contact with the flat surface of the base; a jig placement step, following the substrate placement step, in which the anodic bonding jig is placed so as to be in contact with a surface of one of the first substrate and the second substrate to be anode, the anodic bonding jig having a visual checking area formed of a material that allows visible light to pass through; an alignment step in which the relative positional relation between the first substrate and the second substrate is adjusted based on visible light passing through the visual checking area so that pairs of marks provided on the first substrate and the second substrate will be in a predetermined positional relation; a pressurizing step in which the base and the anodic bonding jig are pressurized in the direction to move the base and the anodic bonding jig close to each other, and the first substrate and the second substrate are sandwiched; and an application step in which a DC voltage is applied between the first substrate and the second substrate. | 11-24-2011 |
20120228744 | WAFER AND METHOD OF MANUFACTURING PACKAGE PRODUCT - To provide a wafer in which out-gas emitted between wafers during bonding of the wafers can be easily discharged to the outside and the bonded wafers can be favorably cut to improve the yields, and a method of manufacturing a package product using the wafer. A groove portion is formed in a wafer for lid substrate along a plurality of imaginary straight lines passing through a center in a diameter direction of the wafer for lid substrate and extending in the diameter direction. The groove portion is divided into a plurality of groove portions in the diameter direction placed such that the groove portions are not in contact with each other. | 09-13-2012 |
20120247291 | BONDED GLASS CUTTING METHOD, PACKAGE MANUFACTURING METHOD, PACKAGE, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS, AND RADIO-CONTROLLED TIME PIECE - Disclosed is a bonded glass cutting method including: a first focus adjustment process of focusing laser light; a second focus adjustment process of moving the focus of the laser light toward one surface side of the bonded glass along a thickness direction of the bonded glass, after the first focus adjustment process; a detection target portion forming process of forming a detection target portion on one surface by irradiation of the laser light, after the second focus adjustment process; a third focus adjustment process of refocusing the laser light on the detection target portion; a groove forming process of forming a groove on one surface by irradiation of the laser light along the planned cutting line, after the third focus adjustment process. | 10-04-2012 |
20120247658 | GLASS BODY CUTTING METHOD, PACKAGE MANUFACTURING METHOD, PACKAGE, PIEZOELECTRIC VIBRATOR, OSCILLATOR, ELECTRONIC APPARATUS, AND RADIO-CONTROLLED TIME PIECE - Disclosed is a glass body cutting method for cutting a glass body along a planned cutting line, the method including: a groove forming process of forming a groove on one surface of the glass body along the planned cutting line by irradiation of a laser light along the planned cutting line; an attachment process of attaching an adhesive sheet to the one surface to cover at least the groove, after the groove forming process; and a cutting process of cutting the glass body along the planned cutting line by applying a tear stress along the planned cutting line while pressing a cutting blade against the other surface of the glass body in a state where the glass body is disposed on a supporting section through the adhesive sheet, after the attachment process. | 10-04-2012 |
Patent application number | Description | Published |
20080220620 | METHOD OF MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE - A method of manufacturing a silicon carbide semiconductor device includes forming a trench for a MOS gate in an SiC substrate by dry etching. Thereafter, the substrate with the trench is heat treated. The heat treatment includes heating the substrate in an Ar gas atmosphere or in a mixed gas atmosphere containing SiH | 09-11-2008 |
20080293240 | MANUFACTURING METHOD OF A SILICON CARBIDE SEMICONDUCTOR DEVICE - A manufacturing method for a silicon carbide semiconductor device is disclosed. It includes an etching method in which an Al film and Ni film are laid on an SiC wafer in this order and wet-etched, whereby a two-layer etching mask is formed in which Ni film portions overhang Al film portions. Mesa grooves are formed by dry etching by using this etching mask. | 11-27-2008 |
20090045414 | SILICON CARBIDE SEMICONDUCTOR ELEMENT, METHOD OF MANUFACTURING THE SAME, AND SILICON CARBIDE DEVICE - A silicon carbide semiconductor element and a manufacturing method thereof are disclosed in which a low contact resistance is attained between an electrode film and a wiring conductor element, and the wiring conductor element is hardly detached from the electrode film. In the method, a nickel film and a nickel oxide film are laminated in this order on a surface of an n-type silicon carbide substrate or an n-type silicon carbide region of a silicon carbide substrate, followed by a heat treatment under a non-oxidizing condition. The heat treatment transforms a portion of the nickel film into a nickel silicide film. Then, the nickel oxide film is removed with hydrochloric acid solution, and subsequently, a nickel aluminum film and an aluminum film are laminated in this order on a surface of the nickel silicide film. | 02-19-2009 |
20090272982 | TRENCH GATE TYPE SEMICONDUCTOR DEVICE AND METHOD OF PRODUCING THE SAME - A method of producing a trench gate type MOSFET is provided in which each intersection trench is formed as a two-stage trench structure. A gate trench is backfilled with a mask material and the mask material is then patterned to form a mask used for forming each intersection trench. The intersection trench intersecting the gate trench is provided so as to be deeper than the gate trench. A Schottky electrode is provided in the bottom of each intersection trench | 11-05-2009 |
20100187543 | METHOD FOR MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE AND THE SILICON CARBIDE SEMICONDUCTOR DEVICE - Silicon carbide semiconductor device includes trench, in which connecting trench section is connected to straight trench section. Straight trench section includes first straight trench and second straight trench extending in parallel to each other. Connecting trench section includes first connecting trench perpendicular to straight trench section, second connecting trench that connects first straight trench and first connecting trench to each other, and third connecting trench that connects second straight trench and first connecting trench to each other. Second connecting trench extends at 30 degrees of angle with the extension of first straight trench. Third connecting trench extends at 30 degrees of angle with the extension of second straight trench. A manufacturing method according to the invention for manufacturing a silicon carbide semiconductor device facilitates preventing defects from being causes in a silicon carbide semiconductor device during the manufacture thereof. | 07-29-2010 |
20110070723 | METHOD OF MANUFACTURING A SILICON CARBIDE SEMICONDUCTOR DEVICE - A method of manufacturing a silicon carbide semiconductor device is disclosed in which a trench and a hole are controlled to have a predetermined configuration even if the silicon carbide semiconductor device is subjected to a heat treatment at a temperature of not lower than 1,500° C. A heat treatment step(s) of a method of the invention includes a step of heat treatment in an argon atmosphere at a temperature in a range of 1,600° C. to 1,800° C. under a pressure of at most 10 Torr for a time duration in a range of 0.1 min to 10 min to evaporate silicon atoms from a surface of the silicon carbide semiconductor substrate or the silicon carbide epitaxial layer and to obtain a silicon carbide surface with a carbon atom concentration of at least 95%. The method can further comprise a step of ion implantation of nitrogen ions or phosphorus ions in a dose amount of 8×10 | 03-24-2011 |
20120104417 | SILICON CARBIDE SEMICONDUCTOR ELEMENT, METHOD OF MANUFACTURING THE SAME, AND SILICON CARBIDE DEVICE - A silicon carbide semiconductor element and a manufacturing method thereof are disclosed in which a low contact resistance is attained between an electrode film and a wiring conductor element, and the wiring conductor element is hardly detached from the electrode film. In the method, a nickel film and a nickel oxide film are laminated in this order on a surface of an n-type silicon carbide substrate or an n-type silicon carbide region of a silicon carbide substrate, followed by a heat treatment under a non-oxidizing condition. The heat treatment transforms a portion of the nickel film into a nickel silicide film. Then, the nickel oxide film is removed with hydrochloric acid solution, and subsequently, a nickel aluminum film and an aluminum film are laminated in this order on a surface of the nickel silicide film. | 05-03-2012 |
20120261677 | METHOD FOR MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE AND THE SILICON CARBIDE SEMICONDUCTOR DEVICE - Silicon carbide semiconductor device includes trench, in which connecting trench section is connected to straight trench section. Straight trench section includes first straight trench and second straight trench extending in parallel to each other. Connecting trench section includes first connecting trench perpendicular to straight trench section, second connecting trench that connects first straight trench and first connecting trench to each other, and third connecting trench that connects second straight trench and first connecting trench to each other. Second connecting trench extends at 30 degrees of angle with the extension of first straight trench. Third connecting trench extends at 30 degrees of angle with the extension of second straight trench. A manufacturing method according to the invention for manufacturing a silicon carbide semiconductor device facilitates preventing defects from being causes in a silicon carbide semiconductor device during the manufacture thereof. | 10-18-2012 |
20140065800 | METHOD FOR MANUFACTURING SILICON CARBIDE SEMICONDUCTOR DEVICE - Gas containing Si, gas containing C and gas containing Cl are introduced into a reacting furnace. SiC epitaxial film is grown on the surface of a 4H—SiC substrate by CVD in a gas atmosphere including raw material gas, additive gas, doping gas and carrier gas. The amount of the gas containing Cl relative to the gas containing Si in the gas atmosphere is reduced gradually. At the start of growth, the number of Cl atoms in the gas containing Cl is three times as large as the number of Si atoms in the gas containing Si. The number of Cl atoms in the gas containing Cl relative to the number of Si atoms in the gas containing Si in the gas atmosphere is reduced at a rate of 0.5%/min to 1.0%/min. The method grows silicon carbide semiconductor film at a high rate. | 03-06-2014 |
20140141585 | TRENCH GATE TYPE SEMICONDUCTOR DEVICE AND METHOD OF PRODUCING THE SAME - A method of producing a trench gate type MOSFET is provided in which each intersection trench is formed as a two-stage trench structure. A gate trench is backfilled with a mask material and the mask material is then patterned to form a mask used for forming each intersection trench. The intersection trench intersecting the gate trench is provided so as to be deeper than the gate trench. A Schottky electrode is provided in the bottom of each intersection trench | 05-22-2014 |
Patent application number | Description | Published |
20100258627 | CONFIGURATION INFORMATION COMPLEMENTING TRACEABILITY SYSTEM - In traceability system applications, it is required to check relationships between individual articles under management and containers therefor such as container cases or pallets. Since relevant data in each stage of physical distribution is not always registered, the absence of some necessary data may occur to cause inaccurate commodity tracing. To solve this disadvantage, the present invention provides a traceability system capable of complementing information regardless of time-series factors. Even in a situation where a plurality of sets of information (relational data) regarding packing-unpacking relationships between articles and containers, e.g., relationships between commodity products and packing cases, or relationships between packing cases and pallets, are not registered in time-series order, the relational data are complemented in registration to enable complementary estimation from registered information available at the time of reference. | 10-14-2010 |
20100302036 | IC TAG ISSUE MANAGEMENT SYSTEM AND METHOD - An IC tag issue management system includes an ID numbering DB which stores an ID and a status of the ID, and an ID history DB which stores the ID, a history number indicating a reuse history of the ID, and a usage history indicated by the history number correlated with each other with each other. The IC tag issue management system numbers the ID with the usage history having a time elapsing from a starting date of the usage history in which the end date is not stored in the ID history DB passing over a predetermined ID-non-reusable period in response to a request for numbering the ID to be written into the IC tag when the unnumbered ID which has not been allocated to the IC tag, and the ID having the status of the ID numbering DB set in the “unused” status do not exist. | 12-02-2010 |
20100321167 | INDIVIDUAL-ITEM INFORMATION MANAGEMENT DEVICE AND METHOD - In an assembled product, a decrease in reading efficiency is avoided from being deteriorated by reading the electronic tags of the parts and the assembled product, registering their configuration information, and by placing read restriction on the electronic tags of the parts. For this purpose, manufacturing instruction information, used for assembling parts into an assembled product, is used. When replaced, the electronic tags of the assembled product are read, read restriction is removed from the assembled product, the electronic tag is read, the electronic tag of a new part to be installed is read, read restriction is placed on the electronic tag, and the configuration information is updated. An invalid part replacement is detected by comparing the configuration information. | 12-23-2010 |
20110087612 | PRODUCT DELIVERY SYSTEM - A sensor device for detecting product quality conditions is attached to each product to be delivered, and constant monitoring is performed on quality conditions of stock products in a storage room of a delivery center for quality assurance. For products in a storage room of a delivery truck, constant monitoring is also performed on quality conditions thereof in the same manner. If a quality abnormality is found in a product in the storage room, information regarding product sensing items and information regarding the current location of each delivery truck are processed to select a replacement stock product less susceptible to recurrence of a similar quality abnormality at the time of redelivery. | 04-14-2011 |