Class / Patent application number | Description | Number of patent applications / Date published |
313523000 | PHOTOSENSITIVE | 65 |
20090079345 | LIGHT EMITTING/RECEIVING ELEMENT - A light emitting/receiving element includes: a substrate; an organic layer which is provided above the substrate; a forward bias power supply which applies a bias voltage between both ends of the organic layer so as to inject charges from an outside into the organic layer; a reverse bias power supply which applies a bias voltage, which is opposite in polarity to the bias voltage applied by the forward bias power supply, between the both ends of the organic layer so as to extract charges generated in the organic layer to the outside; and a current detecting unit, wherein the organic layer includes an organic material which, when the bias voltage is applied by the forward bias power supply, has the light emitting function, and which, when the bias voltage is applied by the reverse bias power supply, has the photoelectric converting function. | 03-26-2009 |
20090322221 | Closely Spaced Electrodes with a Uniform Gap - An improved design for maintaining separation between electrodes in tunneling, resonant tunneling, diode, thermionic, thermo-photovoltaic and other devices is disclosed. At least one electrode | 12-31-2009 |
20100019672 | MESOTUBE WITH HEADER INSULATOR - A mesotube apparatus is disclosed which includes a header insulator in order to avoid premature breakdown at lower voltage that occurs between a cathode and an anode in a discharge assembly. A chamber can be mounted on a header base and can be located away from plasma surrounded with dielectric so that breakdown occurs outside the normal voltage operating range. A number of feed-through pins associated with the header base can be electrically isolated from the header base by a dielectric insulator. The dielectric insulator can also be placed over the header base and topside of the chamber in order to passivate from stray electrons and plasma. The header base can be thin which allows welding of the anode and the cathode to the feed-through pins with a weld tool attached to the side of the feed-through pins. The chamber can be located on the header base by tightly fitting to the feed-through pins. | 01-28-2010 |
20120194068 | LAMP HAVING LIGHT SENSOR - A lamp includes a housing, a plate body disposed in the housing and having a wavelength-conversion material, a light-emitting module disposed in the housing and spaced apart from the plate body, and a light sensor disposed on the plate body. The light-emitting module includes a circuit board, and a plurality of light-emitting units disposed on the circuit board and emitting light onto the plate body. The light sensor is used for sensing the color temperature of light that is emitted from the light-emitting units and that propagates within the plate body. | 08-02-2012 |
313524000 | With optical device | 3 |
20100001639 | ORGANIC LIGHT-EMITTING DISPLAY APPARATUS - An organic light-emitting display apparatus having a touch panel operation. The organic light-emitting display apparatus includes: a substrate; a display unit disposed on the substrate; an encapsulation substrate disposed above the display unit; a reflection layer formed on the substrate; and a photo sensor interposed between the reflection layer and the encapsulation substrate, and to detect light striking an object disposed on the encapsulation substrate. | 01-07-2010 |
20120019132 | PHOTOMULTIPLIER TUBE - a photomultiplier tube including a photocathode, an electron multiplier, an electron collector, and a power lead, wherein the photocathode and the electron multiplier are disposed in a sealed transparent vacuum envelope, the electron collector and the power lead are connected with an external circuit outside the vacuum envelope, the photocathode is formed on the entire inner surface of the vacuum envelope, and the electron multiplier is located on the internal center of the vacuum envelope to receive photoelectrons from the photocathode in all directions for electrons multiplication. Because the effective photocathode area is increased, the detection efficiency of unit light-receiving area is improved. | 01-26-2012 |
20120248977 | LIGHT EMITTING DEVICE-LIGHT RECEIVING DEVICE ASSEMBLY, AND MANUFACTURING METHOD THEREOF - A light emitting device-light receiving device assembly includes: a mount substrate having first and second surfaces, and including a first base as a raised portion on the first surface; a light receiving device having first and second surfaces, the first surface of the light receiving device being anchored on the first base; and a light emitting device, the light receiving device including a light passage portion allowing for passage of light emitted by the light emitting device, the light emitted by the light emitting device emerging to outside through the light passage portion, the first base, and the mount substrate, the light receiving device receiving externally incident light through the mount substrate and the first base, the light receiving device including an annular second base as a raised portion on the second surface of the light receiving device, and the light emitting device being anchored on the second base. | 10-04-2012 |
313531000 | Having plural photosensitive electrodes | 2 |
20090184638 | FIELD EMITTER IMAGE SENSOR DEVICES, SYSTEMS, AND METHODS - Methods, devices, and systems for a field emitter image sensor device are disclosed. A field emitter image sensor device includes a substrate operably coupled to a ground voltage. The substrate includes a first surface configured for sensing light incident thereto and a second surface comprising a plurality of emitter tips configured to emit electrons. The field emitter image sensor device further includes a plurality of anodes opposite the plurality of emitter tips and configured to receive the emitted electron charges. Furthers the field emitter image sensor device comprises a plurality of charge integrators configured to output the electron charges on the anodes to a pixel array, wherein each charge integrator is operably coupled to one anode of the plurality. | 07-23-2009 |
20100148667 | PHOTOCATHODE, ELECTRON TUBE, FIELD ASSIST TYPE PHOTOCATHODE, FIELD ASSIST TYPE PHOTOCATHODE ARRAY, AND FIELD ASSIST TYPE ELECTRON TUBE - When light is incident to an antenna layer AA | 06-17-2010 |
313532000 | Photomultiplier | 27 |
20080265768 | Gating large area hybrid photomultiplier tube - A gating large area hybrid photomultiplier tube that includes an envelope, a photocathode for emitting electrons in correspondence with incident light entering the envelope, a collecting anode having a semiconductor device which has an electron incident surface for receiving photoelectrons emitted from the photocathode, a gating grid for gating the photoelectrons emitted from the photocathode, an electron optical system for focusing and directing the photoelectrons generated by the photocathode toward the electron incident surface, and an ion target for collecting positive ions from the photoelectrons. The envelope has a first opening and a second opening; the photocathode is disposed at the first opening, while the collecting anode is disposed at the second opening of the envelope. | 10-30-2008 |
20080265769 | Large area hybrid photomultiplier tube - A large area hybrid photomultiplier tube that includes a photocathode for emitting photoelectrons in correspondence with incident light, a semiconductor device having an electron incident surface for receiving photoelectrons from the photocathode, and a cone shaped container. The container has a first opening and a second opening. The photocathode is disposed at the first opening, and the semiconductor device is disposed at the second opening. | 10-30-2008 |
20090045741 | Photomultiplier - The present invention relates to a photomultiplier having a fine structure capable of realizing high detection accuracy by effectively suppressing cross talk among electron-multiplier channels. The photomultiplier comprises a housing whose inside is maintained vacuum, and, in the housing, a photocathode, an electron-multiplier section, and anodes are disposed. The electron-multiplier section has groove portions for cascade-multiplying photoelectrons as electron-multiplier channels, and the anodes are constituted by channel electrodes corresponding to the groove portions respectively defined by wall parts. In particular, at least parts of the respective channel electrodes are located in spaces sandwiched between pairs of wall parts defining the corresponding groove portions. | 02-19-2009 |
20090218944 | Photomultiplier - The present invention relates to a photomultiplier having a fine configuration capable of realizing stable detection accuracy. The photomultiplier has a housing whose inside is maintained vacuum, and a photocathode, an electron-multiplier section, and an anode are disposed in the housing. In particular, one or more control electrodes disposed in an internal space of the housing which surrounds the electron-multiplier section and the anode are electrically connected via one or more connection parts extending from an electron emission terminal of the electron-multiplier section. In this configuration, due to a voltage, instead of the applying between an electron entrance terminal and the electron emission terminal of the electron-multiplier section, being applied between the electron entrance terminal and the control electrodes, an electric potential gradient which is increased gradually from the photocathode side toward the anode side is formed in the electron-multiplier section, and a sufficient electric potential difference is provided between the electron emission terminal of the electron-multiplier section and the anode, which makes it possible to obtain stable detection accuracy. | 09-03-2009 |
20090236985 | Electron tube and method for manufacturing electron tube - A photomultiplier tube | 09-24-2009 |
20100066245 | ION BARRIER MEMBRANE FOR USE IN A VACUUM TUBE USING ELECTRON MULTIPLYING, AN ELECTRON MULTIPLYING STRUCTURE FOR USE IN A VACUUM TUBE USING ELECTRON MULTIPLYING AS WELL AS A VACUUM TUBE USING ELECTRON MULTIPLYING PROVIDED WITH SUCH AN ELECTRON MULTIPLYING STRUCTURE - The invention relates to an electron multiplying structure for use in a vacuum tube using electron multiplying, the electron multiplying structure comprising an input face intended to be oriented in a facing relationship with an entrance window of the vacuum tube, an output face intended to be oriented in a facing relationship with a detection surface of the vacuum tube, as well as an ion barrier membrane for shielding off stray ions. | 03-18-2010 |
20100253218 | PHOTOCATHODE, ELECTRON TUBE, AND PHOTOMULTIPLIER TUBE - In the photocathode, an underlayer made of a crystalline material containing La | 10-07-2010 |
20110260608 | SHAPE MEMORY ALLOY FOR MCP LOCKDOWN - An image intensifier tube includes a microchannel plate (MCP) having conductive input and output surfaces disposed in a housing. A conductive lower support is in electrical contact with the output surface of the MCP, and a conductive upper support is disposed above the input surface of the MCP. A shape memory alloy (SMA) lockdown is disposed between the input surface of the MCP and the upper support. The SMA lockdown is configured to provide a lockdown for the MCP in the housing. An SMA upper surface is configured to provide an axial force against the upper support, and an SMA lower surface is in contact with the input surface of the MCP. | 10-27-2011 |
20140111085 | PHOTOMULTIPLIER AND ITS MANUFACTURING METHOD - The present invention relates to a photomultiplier having a structure for making it possible to easily realize high detection accuracy and fine processing, and a method of manufacturing the same. The photomultiplier comprises an enclosure having an inside kept in a vacuum state, whereas a photocathode emitting electrons in response to incident light, an electron multiplier section multiplying in a cascading manner the electron emitted from the photocathode, and an anode for taking out a secondary electron generated in the electron multiplier section are arranged in the enclosure. A part of the enclosure is constructed by a glass substrate having a flat part, whereas each of the electron multiplier section and anode is two-dimensionally arranged on the flat part in the glass substrate. | 04-24-2014 |
20150371835 | PHOTOMULTIPLIER AND ITS MANUFACTURING METHOD - The present invention relates to a photomultiplier having a structure for making it possible to easily realize high detection accuracy and fine processing, and a method of manufacturing the same. The photomultiplier comprises an enclosure having an inside kept in a vacuum state, whereas a photocathode emitting electrons in response to incident light, an electron multiplier section multiplying in a cascading manner the electron emitted from the photocathode, and an anode for taking out a secondary electron generated in the electron multiplier section are arranged in the enclosure. A part of the enclosure is constructed by a glass substrate having a flat part, whereas each of the electron multiplier section and anode is two-dimensionally arranged on the flat part in the glass substrate. | 12-24-2015 |
313533000 | Having plural dynodes | 17 |
20080211403 | Photomultiplier - The present invention relates to a photomultiplier having a structure that enables to perform high gain and satisfy higher required characteristics. In the photomultiplier, an electron-multiplying unit accommodated in a sealed container comprises a focusing electrode, an accelerating electrode, a dynode unit, and an anode. Particularly, at least the accelerating electrode and dynode unit are held unitedly in a state that at least a first-stage dynode and a second-stage included in the dynode unit are opposite directly to the accelerating electrode not through a conductive material. A conventional metal disk for supporting directly dynodes which are set to the same potential as that of the first-stage dynode is not placed between the accelerating electrode and dynode unit; thus, variations of the transit time of electrons may be drastically reduced while the electrons reach from the cathode to the second-stage dynode via the first-stage dynode. | 09-04-2008 |
20080258619 | Photomultiplier Tube with Least Transit Time Variations - Single-channel photomultiplier tube ( | 10-23-2008 |
20090009077 | Photomultiplier Tube and Radiation Detecting Device - A vacuum vessel is configured by hermetically joining a faceplate ( | 01-08-2009 |
20090160332 | Photomultiplier Tube, Radiation Detecting Device, and Photomultiplier Tube Manufacturing Method - A vacuum vessel is configured by hermetically joining a faceplate to one end of a side tube and a stem to the other end via a tubular member. A photocathode, a focusing electrode, dynodes, a drawing electrode, and anodes are arranged within the vacuum vessel. The dynodes and the anodes have a plurality of channels in association with each other. Each electrode has cutout portions that overlap in a stacking direction, and supporting pins and lead pins are arranged in the cutout portions. A bridge is provided in a concave section arranged between unit anodes, and the bridge is cut off after the anode plate is placed on stem pins. Effective areas of each electrode and the anode are secured sufficiently, thereby allowing electrons to be detected efficiently. | 06-25-2009 |
20090200940 | Photomultiplier Tube and Radiation Detecting Device - A vacuum vessel ( | 08-13-2009 |
20090212699 | PHOTOMULTIPLIER - The present invention relates to a photomultiplier that realizes a significant improvement of response time characteristics by a structure enabling mass production. The photomultiplier comprises a sealed container, and, in the sealed container, a photocathode, an electron multiplier section, and an anode are respectively disposed. The electron multiplier section includes multiple stages of dynode units, and each of the multiple stages of dynode units is fixed with one end of the associated dynode pin while being electrically connected thereto. In particular, the dynode pin, whose one ends are fixed to the multiple stages of dynode units, are held within an effective region of the electron multiplier section contributing to secondary electron multiplication, when the electron multiplier section is viewed from the photocathode side. By this configuration, a focusing distance from the photocathode to a first stage dynode unit can be shortened effectively and the effective region of the electron multiplier section can be enlarged to effectively reduce variations in transit time of photoelectrons propagating from the photocathode to the first stage dynode unit. | 08-27-2009 |
20100096985 | PHOTOCATHODE, PHOTOMULTIPLIER AND ELECTRON TUBE - The present invention relates to a photocathode having a structure to dramatically improve the effective quantum efficiency in comparison with that of a conventional art, an photomultiplier and an electron tube. The photocathode comprises a supporting substrate transmitting or blocking an incident light, a photoelectron emitting layer containing an alkali metal provided on the supporting substrate, and an underlayer provided between the supporting substrate and the photoelectron emitting layer. Particularly, the underlayer contains a beryllium oxide, and is adjusted in its thickness such that a thickness ratio of the underlayer to the photoelectron emitting layer falls within a specific range. This structure allows to obtain a photocathode having a dramatically improved quantum efficiency. | 04-22-2010 |
20100213837 | PHOTOMULTIPLIER TUBE - Electrons are prevented from being made incident onto an insulation part of a casing between dynodes to improve a withstand voltage. The photomultiplier tube | 08-26-2010 |
20110074283 | SILICON PHOTOMULTIPLIER TUBE - Disclosed herein is a silicon photomultiplier tube, including: a first type silicon substrate; a cell, each including a first type epitaxial layer formed on the first type silicon substrate, a first type conductive layer formed on the first type epitaxial layer, and a second type conductive layer formed on the first type conductive layer; a separating element located between the cell and a cell adjacent to the cell to separate the cells from each other; and an antireflection coating layer formed on a top surface of the second type conductive layer and an inner wall of the separating element, wherein any one of the first type conductive layer and the second type conductive layer is formed in a plurality of rows. | 03-31-2011 |
20120091889 | PHOTOMULTIPLIER TUBE - The photomultiplier tube | 04-19-2012 |
20120091890 | PHOTOMULTIPLIER TUBE - The photomultiplier tube | 04-19-2012 |
20120274204 | PHOTOMULTIPLIER AND ITS MANUFACTURING METHOD - The present invention relates to a photomultiplier having a structure for making it possible to easily realize high detection accuracy and fine processing, and a method of manufacturing the same. The photomultiplier comprises an enclosure having an inside kept in a vacuum state, whereas a photocathode emitting electrons in response to incident light, an electron multiplier section multiplying in a cascading manner the electron emitted from the photocathode, and an anode for taking out a secondary electron generated in the electron multiplier section are arranged in the enclosure. A part of the enclosure is constructed by a glass substrate having a flat part, whereas each of the electron multiplier section and anode is two-dimensionally arranged on the flat part in the glass substrate. | 11-01-2012 |
20130033175 | ELECTRON MULTIPLIER AND PHOTOMULTIPLIER INCLUDING THE SAME - The present invention relates to an electron multiplier and others to effectively suppress luminescence noise, even in compact size, in which each of multistage dynodes has a plurality of columns each having a peripheral surface separated physically, and in which each column is processed in such a shape that an area or a peripheral length of a section parallel to an installation surface on which the electron multiplier is arranged becomes minimum at a certain position on the peripheral surface in the column of interest. | 02-07-2013 |
20160141161 | PHOTOMULTIPLIER TUBE (PMT) HAVING A REFLECTIVE PHOTOCATHODE ARRAY - An internal portion of a photomultiplier tube (PMT) having a reflective photocathode array, and a method for manufacturing the same, are provided. The internal portion of the PMT comprises the reflective photocathode array and at least one dynode structure corresponding to the array of reflective photocathodes. Each reflective photocathode receives light and from the light, generates photoelectrons which then travel towards the at least one dynode structure. Upon the photoelectrons making contact with the at least one dynode structure, the photoelectrons are multiplied. | 05-19-2016 |
313534000 | Channel or circular type | 2 |
20100213838 | PHOTOMULTIPLIER TUBE - Electrons are prevented from being made incident onto an insulation part between dynodes to improve a withstand voltage. The photomultiplier tube | 08-26-2010 |
20150311049 | PHOTODETECTION UNIT AND METHOD FOR MANUFACTURING SAME - In a photodetection unit | 10-29-2015 |
313535000 | Venetian blind type | 1 |
20160172169 | ELECTRON MULTIPLIER AND PHOTOMULTIPLIER INCLUDING THE SAME | 06-16-2016 |
313537000 | Having a control electrode | 1 |
20090261727 | FIELD-EMISSION CATHODE, WITH OPTICAL CONTROL - The invention relates to an optically-controlled field-emission cathode, comprising a substrate ( | 10-22-2009 |
313538000 | Gas phototube | 1 |
20080197772 | Display apparatus and method of fabricating the same - Provided is a display apparatus and a method of fabricating the display apparatus. The display apparatus includes a first substrate that allows visible light to pass therethrough, a second substrate facing the first substrate, an anode disposed on the first substrate, a cathode disposed on the second substrate, an electron emitter disposed either on the anode or the cathode, a light emitting layer formed on a surface of the anode, an optical reflection layer disposed on a side of the second substrate, and a gas that generates ultraviolet rays and is filled in a space between the first substrate and the second substrate. The display apparatus can increase the reflectance of visible light since the optical reflection layer is formed in a sealed inner space of the display apparatus, and thus, brightness and light emission efficiency of the transmissive type or reflective type display apparatus can be increased. | 08-21-2008 |
313539000 | Responsive to ultraviolet radiation | 1 |
20090072737 | Ultra violet flame sensor with run-on detection - A UV flame sensor for detecting a run-on condition in a flame detector tube is disclosed. The UV flame sensor comprises a pair of secondary electrodes that are enclosed in a mesotube to form a breakdown chamber in order to detect the run-on condition. These secondary electrodes are exposed to UV through an aperture in a cathode plate and are energized continuously by a lower voltage. The mesotube is expected to break down when the run-on condition occurs. The secondary electrodes can be placed in the same gas environment as the main electrodes that may take different forms, shapes and locations. | 03-19-2009 |
313540000 | Having plural anodes or cathodes | 1 |
20090066245 | MATERIAL FOR LIGHT-EMITTING ELEMENT AND LIGHT EMITTING ELEMENT - The present invention is a light-emitting device material characterized by containing a pyrene compound represented by the following general formula (1): | 03-12-2009 |
313542000 | Photocathode | 13 |
20090273281 | PHOTOCATHODE AND ELECTRON TUBE HAVING THE SAME - The photocathode of the present invention is provided with a supporting substrate composed of a single-crystal compound semiconductor, a light absorbing layer which is formed on the supporting substrate and smaller in an energy band gap than the supporting substrate to absorb incident light transmitted through the supporting substrate, thereby generating photoelectrons, and a surface layer which is formed on the light absorbing layer to lower a work function of the light absorbing layer, in which the supporting substrate comprises Al | 11-05-2009 |
20090322222 | Robust activation method for negative electron affinity photocathodes - A method by which photocathodes ( | 12-31-2009 |
20110006674 | METHOD FOR FABRICATING NANO-SCALE PATTERNED SURFACES - A method for fabrication of substrate having a nano-scale surface roughness is presented. The method comprises: patterning a surface of a substrate to create an array of spaced-apart regions of a light sensitive material; applying a controllable etching to the patterned surface, said controllable etching being of a predetermined duration selected so as to form a pattern with nano-scale features; and removing the light sensitive material, thereby creating a structure with the nano-scale surface roughness. Silanizing such nano-scale roughness surface with hydrophobic molecules results in the creation of super-hydrophobic properties characterized by both a large contact angle and a large tilting angle. Also, deposition of a photo-active material on the nano-scale roughness surface results in a photocathode with enhanced photoemission yield. This method also provides for fabrication of a photocathode insensitive to polarization of incident light. | 01-13-2011 |
20110089825 | PHOTOCATHODE - The present invention aims at providing a photocathode which can improve various characteristics. In a photocathode | 04-21-2011 |
20110215717 | High voltage switch triggered by a laser-photocathode subsystem - A spark gap switch for controlling the output of a high voltage pulse from a high voltage source, for example, a capacitor bank or a pulse forming network, to an external load such as a high gradient electron gun, laser, pulsed power accelerator or wide band radar. The combination of a UV laser and a high vacuum quartz cell, in which a photocathode and an anode are installed, is utilized as triggering devices to switch the spark gap from a non-conducting state to a conducting state with low delay and low jitter. | 09-08-2011 |
20110221336 | PHOTOMULTIPLIER AND ITS MANUFACTURING METHOD - The present invention relates to a photomultiplier having a structure for making it possible to easily realize high detection accuracy and fine processing, and a method of manufacturing the same. The photomultiplier comprises an enclosure having an inside kept in a vacuum state, whereas a photocathode emitting electrons in response to incident light, an electron multiplier section multiplying in a cascading manner the electron emitted from the photocathode, and an anode for taking out a secondary electron generated in the electron multiplier section are arranged in the enclosure. A part of the enclosure is constructed by a glass substrate having a flat part, whereas each of the electron multiplier section and anode is two-dimensionally arranged on the flat part in the glass substrate. | 09-15-2011 |
20130134869 | PHOTO CATHODE FOR USE IN A VACUUM TUBE AS WELL AS SUCH AS VACUUM TUBE - A photo cathode for use in a vacuum tube including a cathode layer, having an entrance face capable of absorbing photons impinging on the cathode layer, and an exit face for releasing electrons upon impinging of the photons, and an electron exit layer, in facing relationship with the exit face of the cathode layer for improving the releasing of the electrons, and a carbon containing layer, positioned between the exit face of the cathode layer and the electron exit layer, for bonding the electron exit layer to the cathode layer. | 05-30-2013 |
20130293100 | Graphene Shield Enhanced Photocathodes and Methods for Making the Same - Disclosed are graphene shield enhanced photocathodes, such as high QE photocathodes. In certain embodiments, a monolayer graphene shield membrane ruggedizes a high quantum efficiency photoemission electron source by protecting a photosensitive film of the photocathode, extending operational lifetime and simplifying its integration in practical electron sources. In certain embodiments of the disclosed graphene shield enhanced photocathodes, the graphene serves as a transparent shield that does not inhibit photon or electron transmission but isolates the photosensitive film of the photocathode from reactive gas species, preventing contamination and yielding longer lifetime. | 11-07-2013 |
20160181050 | INTEGRATED PHOTOEMISSION SOURCES AND SCALABLE PHOTOEMISSION STRUCTURES | 06-23-2016 |
20160203937 | PLANAR FIELD EMITTERS AND HIGH EFFICIENCY PHOTOCATHODES BASED ON ULTRANANOCRYSTALLINE DIAMOND | 07-14-2016 |
313544000 | With envelope | 3 |
20090284150 | PHOTOCATHODE APPARATUS USING PHOTOELECTRIC EFFECT OF SURFACE PLASMON RESONANCE PHOTONS - A photocathode apparatus is constructed by a transparent body adapted to receive incident light, and a metal cover layer formed on a surface of the transparent body. The incident light reaches an incident/reflective surface of the metal cover layer through the surface of the transparent body to excite surface plasmon resonance light in the incident/reflective surface of the metal cover layer, thus emitting photoelectrons from a photoelectric surface of the metal cover layer opposite to the incident/reflective surface thereof by the photoelectric effect of one of the surface plasmon resonance photons and its second harmonic generation wave. | 11-19-2009 |
20100102720 | ELECTRON TUBE - An electron tube of the present invention includes: a vacuum vessel including a face plate portion and a stem portion arranged facing the face plate portion; a photocathode arranged in the vacuum vessel and formed on the face plate portion; a projection portion arranged in the vacuum vessel, extending from the stem portion toward the face plate portion, and made of an insulating material; an electron detector arranged on the projection portion, made of a semiconductor, and having a first conductivity-type region and a second conductivity-type region; and a first conductive film covering a surface of the projection portion and to be electrically connected to the first conductivity-type region. | 04-29-2010 |
20100102721 | ELECTRON TUBE - An electron tube of the present invention includes: a vacuum vessel including a side tube portion made of glass and a plate-like member blocking one opening of the side tube portion and made of glass; a first metal film provided on an end face of the side tube portion; a second metal film arranged facing the first metal film and provided on a marginal part of a face at a vacuum side of the plate-like member; a third metal film provided on at least one of an outer wall face of the side tube portion adjacent to the end face and a side face of the plate-like member adjacent to the marginal part; and a metal member made of a low-melting-point metal, for sealing a gap between the side tube portion and the plate-like member while contacting the first metal film, the second metal film, and the third metal film. | 04-29-2010 |
313103000 | Secondary emitter type (e.g., electron multiplier) | 11 |
20090212680 | Microchannel Plate Devices With Multiple Emissive Layers - A microchannel plate includes a substrate defining a plurality of pores extending from a top surface of the substrate to a bottom surface of the substrate. The plurality of pores includes a resistive material on an outer surface that forms a first emissive layer. A second emissive layer is formed over the first emissive layer. The second emissive layer is chosen to achieve at least one of an increase in secondary electron emission efficiency and a decrease in gain degradation as a function of time. A top electrode is positioned on the top surface of the substrate and a bottom electrode is positioned on the bottom surface of the substrate. | 08-27-2009 |
20100039014 | ELECTRON MULTIPLIERS - Electron multipliers and techniques for manufacturing electron multipliers are provided. In one embodiment, an electron multiplier includes at least two electrodes, a plurality of electron emission tips for emitting electrons formed on one of the at least two electrodes, and at least one porous structure having a plurality of pores for multiplying the electrons emitted from the plurality of electron emission tips. The porous structure includes a metal core and a layer of insulator material coated on an outer surface of the metal core, and is disposed between the at least two electrodes. | 02-18-2010 |
20140152168 | ELECTRON MULTIPLIER - An electron multiplier includes an insulating substrate which includes an electrical wiring pattern and in which a through-hole is formed, an MCP arranged on one side of the through-hole of the insulating substrate and electrically connected to the electrical wiring pattern, a shield plate arranged in one side of the MCP and electrically connected to the MCP, an anode arranged on the other side of the through-hole and electrically connected to the electrical wiring pattern, and a signal readout terminal fixed to the insulating substrate for reading a signal from the anode. The shield plate is formed to include the MCP when viewed in a thickness direction. A through-hole exposing at least a portion of the MCP is formed in the shield plate. The insulating substrate, the MCP, the shield plate and the anode are fixed to each other to be integral. | 06-05-2014 |
20090127994 | Tandem continuous channel electron multiplier - A channel electron multiplier including a single channel CEM for receiving an input particle. A multi-channel CEM is positioned after the single channel CEM for receiving emissions from the single channel CEM. An electron collector is positioned after the multi-channel CEM for generating a pulse current in response to emissions from the multi-channel CEM. | 05-21-2009 |
20090127995 | CURVED MCP CHANNELS - A microchannel plate (MCP) is formed from a boule. The MCP includes a plate having opposing end surfaces formed of acid resistant glass and acid etchable glass, and multiple channels extending longitudinally between the opposing end surfaces. The multiple channels are formed by circumferential walls of the acid resistant glass that surround the acid etchable glass. A respective circumferential wall forms a curved surface extending longitudinally between the opposing end surfaces. The curved surface is configured to reduce light from passing from one end surface to the other end surface. The acid resistant glass has a lower softening temperature than the acid etchable glass. As a result, the acid etchable glass may be subjected to a bending process, without reducing the diameter size of the microchannels that are formed after the bending process. | 05-21-2009 |
20090315443 | MICROCHANNEL PLATE DEVICES WITH TUNABLE RESISTIVE FILMS - A microchannel plate includes a substrate defining a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels that provides ohmic conduction with a predetermined resistivity that is substantially constant. An emissive layer is formed over the resistive layer. A top electrode is positioned on the top surface of the substrate. A bottom electrode positioned on the bottom surface of the substrate. | 12-24-2009 |
20110018419 | MICRO CHANNEL PLATE - An MCP has a rectangular plate shape and has a porous part, to which a plurality of pores (channels) penetrating in the thickness direction are disposed, and a poreless part including a solid glass or the like to which the channels are not provided on the both sides of the porous part. Then, on both surfaces of the MCP, an input side electrode and an output side electrode are respectively formed so as to cover the poreless parts on the both surfaces while sandwiching the porous part. | 01-27-2011 |
20130193830 | MICROCHANNEL PLATE AND PROCESS FOR PRODUCING THE SAME - A method of manufacturing microchannel plate according to an embodiment of the present invention includes: a first step of fabricating a multifiber having a polygonal cross-section by bundling a plurality of fibers; a second step of fabricating a microchannel plate base material by use of a plurality of the multifibers; and a third step of fabricating a microchannel plate out of the microchannel plate base material. The plurality of fibers include: a first fiber whose predetermined-thickness outer circumferential part surrounding a center part including a core is formed of a predetermined-component glass material; and a second fiber whose both center part including a core and outer circumferential part surrounding the same are formed of the predetermined-component glass material. The second fiber is arranged at, at least, one corner of a polygonal cross-section of the multifiber. | 08-01-2013 |
20130193831 | Microchannel Plate Devices With Tunable Conductive Films - A microchannel plate includes a substrate defining a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels that provides ohmic conduction with a predetermined resistivity that is substantially constant. An emissive layer is formed over the resistive layer. A top electrode is positioned on the top surface of the substrate. A bottom electrode positioned on the bottom surface of the substrate. | 08-01-2013 |
20130221828 | MICROCHANNEL PLATE FOR ELECTRON MULTIPLIER - A microchannel plate ( | 08-29-2013 |
20140028175 | Microchannel Plate Devices With Tunable Resistive Films - A microchannel plate includes a substrate defining a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels that provides ohmic conduction with a predetermined resistivity that is substantially constant. An emissive layer is formed over the resistive layer. A top electrode is positioned on the top surface of the substrate. A bottom electrode positioned on the bottom surface of the substrate. | 01-30-2014 |
313103000 | Channel multiplier | 8 |
20090212680 | Microchannel Plate Devices With Multiple Emissive Layers - A microchannel plate includes a substrate defining a plurality of pores extending from a top surface of the substrate to a bottom surface of the substrate. The plurality of pores includes a resistive material on an outer surface that forms a first emissive layer. A second emissive layer is formed over the first emissive layer. The second emissive layer is chosen to achieve at least one of an increase in secondary electron emission efficiency and a decrease in gain degradation as a function of time. A top electrode is positioned on the top surface of the substrate and a bottom electrode is positioned on the bottom surface of the substrate. | 08-27-2009 |
20100039014 | ELECTRON MULTIPLIERS - Electron multipliers and techniques for manufacturing electron multipliers are provided. In one embodiment, an electron multiplier includes at least two electrodes, a plurality of electron emission tips for emitting electrons formed on one of the at least two electrodes, and at least one porous structure having a plurality of pores for multiplying the electrons emitted from the plurality of electron emission tips. The porous structure includes a metal core and a layer of insulator material coated on an outer surface of the metal core, and is disposed between the at least two electrodes. | 02-18-2010 |
20140152168 | ELECTRON MULTIPLIER - An electron multiplier includes an insulating substrate which includes an electrical wiring pattern and in which a through-hole is formed, an MCP arranged on one side of the through-hole of the insulating substrate and electrically connected to the electrical wiring pattern, a shield plate arranged in one side of the MCP and electrically connected to the MCP, an anode arranged on the other side of the through-hole and electrically connected to the electrical wiring pattern, and a signal readout terminal fixed to the insulating substrate for reading a signal from the anode. The shield plate is formed to include the MCP when viewed in a thickness direction. A through-hole exposing at least a portion of the MCP is formed in the shield plate. The insulating substrate, the MCP, the shield plate and the anode are fixed to each other to be integral. | 06-05-2014 |
20090127994 | Tandem continuous channel electron multiplier - A channel electron multiplier including a single channel CEM for receiving an input particle. A multi-channel CEM is positioned after the single channel CEM for receiving emissions from the single channel CEM. An electron collector is positioned after the multi-channel CEM for generating a pulse current in response to emissions from the multi-channel CEM. | 05-21-2009 |
20090127995 | CURVED MCP CHANNELS - A microchannel plate (MCP) is formed from a boule. The MCP includes a plate having opposing end surfaces formed of acid resistant glass and acid etchable glass, and multiple channels extending longitudinally between the opposing end surfaces. The multiple channels are formed by circumferential walls of the acid resistant glass that surround the acid etchable glass. A respective circumferential wall forms a curved surface extending longitudinally between the opposing end surfaces. The curved surface is configured to reduce light from passing from one end surface to the other end surface. The acid resistant glass has a lower softening temperature than the acid etchable glass. As a result, the acid etchable glass may be subjected to a bending process, without reducing the diameter size of the microchannels that are formed after the bending process. | 05-21-2009 |
20090315443 | MICROCHANNEL PLATE DEVICES WITH TUNABLE RESISTIVE FILMS - A microchannel plate includes a substrate defining a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels that provides ohmic conduction with a predetermined resistivity that is substantially constant. An emissive layer is formed over the resistive layer. A top electrode is positioned on the top surface of the substrate. A bottom electrode positioned on the bottom surface of the substrate. | 12-24-2009 |
20110018419 | MICRO CHANNEL PLATE - An MCP has a rectangular plate shape and has a porous part, to which a plurality of pores (channels) penetrating in the thickness direction are disposed, and a poreless part including a solid glass or the like to which the channels are not provided on the both sides of the porous part. Then, on both surfaces of the MCP, an input side electrode and an output side electrode are respectively formed so as to cover the poreless parts on the both surfaces while sandwiching the porous part. | 01-27-2011 |
20130193830 | MICROCHANNEL PLATE AND PROCESS FOR PRODUCING THE SAME - A method of manufacturing microchannel plate according to an embodiment of the present invention includes: a first step of fabricating a multifiber having a polygonal cross-section by bundling a plurality of fibers; a second step of fabricating a microchannel plate base material by use of a plurality of the multifibers; and a third step of fabricating a microchannel plate out of the microchannel plate base material. The plurality of fibers include: a first fiber whose predetermined-thickness outer circumferential part surrounding a center part including a core is formed of a predetermined-component glass material; and a second fiber whose both center part including a core and outer circumferential part surrounding the same are formed of the predetermined-component glass material. The second fiber is arranged at, at least, one corner of a polygonal cross-section of the multifiber. | 08-01-2013 |
20130193831 | Microchannel Plate Devices With Tunable Conductive Films - A microchannel plate includes a substrate defining a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels that provides ohmic conduction with a predetermined resistivity that is substantially constant. An emissive layer is formed over the resistive layer. A top electrode is positioned on the top surface of the substrate. A bottom electrode positioned on the bottom surface of the substrate. | 08-01-2013 |
20130221828 | MICROCHANNEL PLATE FOR ELECTRON MULTIPLIER - A microchannel plate ( | 08-29-2013 |
20140028175 | Microchannel Plate Devices With Tunable Resistive Films - A microchannel plate includes a substrate defining a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels that provides ohmic conduction with a predetermined resistivity that is substantially constant. An emissive layer is formed over the resistive layer. A top electrode is positioned on the top surface of the substrate. A bottom electrode positioned on the bottom surface of the substrate. | 01-30-2014 |
313104000 | Plural secondary emissive electrodes | 1 |
20100225221 | ELECTRON MULTIPLER AND ELECTRON DETECTOR - An electron multiplier that can easily obtain characteristics according to a purpose is provided. By bonding a marginal portion | 09-09-2010 |