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WO/1999/038185A2 |
A method and apparatus are provided for providing an ion transmission device or interface between an ion source and a spectrometer. The ion transmission device can include a multipole rod set and includes a damping gas, to damp spatial a...
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WO/1999/035659A1 |
An apparatus for high speed gating of electric current based on the resonant interaction of tunnelling electron with optical fields is disclosed. The present invention biases an electron-emitting tip with a DC voltage source and focuses ...
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WO/1999/034385A1 |
The present invention relates to a field electron emitter consisting of diamond and graphite-like carbon. According to the present invention said emitter has within its volume a uniform composition of diamond particles bonded by graphite...
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WO/1999/034387A2 |
A display device comprises a color filter pattern between a phosphor pattern and a display window. For blue, the thickness (t¿2?) of this color filter pattern is more than 2.5 micrometer, preferably 5-7 micrometer, and/or for red said t...
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WO/1999/031702A1 |
Patterned graphite electron emitters are disclosed. These field emitters find particular usefulness in field emitter cathodes and display panels. These graphite field emitters can be formed by screen printing a paste comprised of graphit...
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WO/1999/031700A1 |
Patterned ion-bombarded graphite electron emitters are disclosed as well as processes for producing them. The electron emitters are produced by forming a layer of composite of graphite particles and glass on a substrate then bombarding t...
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WO/1999/031701A1 |
Wire-coated graphite electron emitters are disclosed. These field emitters find particular usefulness in field emitter cathodes, display panels and lighting devices. These graphite field emitters can be formed by coating a paste comprise...
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WO/1999/031698A1 |
A self-gettering electron field emitter (30) has a first portion (40) formed of a low-work-function material for emitting electrons, and it has an integral second portion (50) that acts both as a low-resistance electrical conductor and a...
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WO/1999/030341A1 |
The present invention relates to a cathodic module comprising a field emitter and a secondary electronic emitter as well as to a vacuum electronic apparatus which comprises such a module and has its anode coated with a luminophore. This ...
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WO/1999/028939A1 |
A field electron emission material is formed by coating a substrate (221, 230) having an electrically conductive surface with a plurality of electrically conductive particles (223, 231). Each particle has a layer of electrically insulati...
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WO/1999/023679A1 |
An electron-emitting device contains a vertical emitter resistor patterned into multiple laterally separated sections (34, 34V, 46, or 46V) situated between the electron-emissive elements (40), on one hand, and emitter electrodes (32), o...
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WO/1999/023191A1 |
Small particles provide for improved performance as phosphors especially in the production of display devices. Particles with a diameter less than about 100 nm have altered band properties that affect the emission by the particles. A col...
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WO/1999/020810A1 |
Methods for making low work-functions electrodes either made from or coated with an electride material (2) in which the electride material has lattice defect sites are described. Lattice defect sites are regions of the crystal structure ...
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WO/1999/021205A1 |
A carbon film (101) having an area of insulating material surrounded by an area of conducting material, and an area of material between the insulating material and the area of conducting material having a graded dielectric constant which...
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WO/1999/019896A1 |
The invention concerns an electron source with microtips comprising: at least an electronic transmitting zone consisting of a plurality of microtips (45) electrically connected to a cathode conductor (41); at least a grid electrode (43) ...
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WO/1999/017325A1 |
Cathode ray tube comprising an electron gun which is constructed in such a way that the gas pressure near the electron-emissive layer (30) of the cathode is lower than in the other parts of the tube. This can be achieved by reducing the ...
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WO/1999/017326A1 |
During production of an electron gun, and prior to assembly of the gun, the surface of the cathode is cleaned in a clean room and provided with a protective layer of oxide. A protective layer having substantially no contaminations is pro...
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WO/1999/015713A1 |
A substrate (1) is coated with a compound (2) comprised of a cation complexed by a heterocyclic multidentate ligand, which provides a surface having a low work function and facilitates the emission of electrons.
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WO/1999/016098A1 |
A phototube (10) comprises a photocathode (30) having photoelectric surface. In a sealed enclosure (20) whose inside is vacuum, the photoelectric cathode (30) and an anode (40) are opposed to each other. Voltages are applied to them thro...
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WO/1999/014780A1 |
A flat panel display includes a cathodic structure (100). The cathodic structure includes a row metal (106) composed of stripes of aluminum overlaid by a layer (107) of cladding material.
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WO/1999/013484A1 |
A novel use of doped carbonaceous material is disclosed, integral to the operation of Vacuum Diode Heat Pumps and Vacuum Diode Thermionic Generators. In the preferred embodiment, the use of nitrogen-doped diamond enhances the operation o...
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WO/1999/013275A1 |
In the method of the present invention, electrostatic fields (20) are used to induce heat pumping action of a working fluid (18). A plurality of heat pipes with no moving parts are used. The operation of one pump enhances the operation o...
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WO/1999/012396A1 |
A bright color electroluminescent element that can be easily produced by using a fluorescent conversion substance; and a method of producing the same. A light-emitting layer is doped with a fluorescent conversion substance with a concent...
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WO/1999/010688A1 |
A Vacuum Diode Heat Pump is optimized for the most efficient pumping of heat by utilizing a cathode and anode of very low work function. The relationship of the work functions of cathode (21) and anode (22) are shown to be optimized when...
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WO/1999/010908A1 |
An electron emitting device (100) having an emitter that emits electrons and has a structure including a first conductive electrode (102), a first semiconductor layer (103), a second semiconductor layer (104), an insulating layer (105), ...
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WO/1999/009580A1 |
A cathode for a vacuum electronic device is described which is made of a material that also allows the cathode to act as a getter. The cathode may include a mixture of a getter material and a diamond powder.
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WO/1999/009576A1 |
A carbon film (703) used for field emission cathode is a layer of thin carbon film on a substrate (803). The carbon film has a UV Raman band in range of 1578 cm?-1¿ to 1620 cm?-1¿ with full width at half maximum from 25 to 165 cm?-1¿.
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WO/1999/005692A1 |
An electron emitter (121, 221, 321, 421) includes an electron emitter structure (118) having a passivation layer (120, 220, 320, 420) formed thereon. The passivation layer (120, 220, 320, 420) is made from an oxide selected from a group ...
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WO/1999/005735A1 |
Compounds are provided comprising at least one neutral, positive, or negative hydrogen species having a greater binding energy than its corresponding ordinary hydrogen species, or greater than any hydrogen species for which the binding e...
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WO/1999/004407A2 |
A current limiter for flat panel field emission display devices is disclosed. The current limiter includes a vertical resistor (22) and a lateral resistor (21) which in combination provide uniform emission and blow-out protection. The cu...
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WO/1999/004413A1 |
A night vision device (10) includes an image intensifier tube (14) which includes a photocathode (22) responsive both to white light and to infrared light to release photoelectrons. The photocathode (22) is particularly sensitive to infr...
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WO/1999/000817A1 |
An electron-emitting device employs a multi-layer resistor (46). A lower layer (48) of the resistor overlies an emitter electrode (42). An electron-emissive element (54) overlies an upper layer (50) of the resistor. The two resistive lay...
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WO/1999/000816A1 |
In an electron-emitting component with a cold cathode comprising a substrate and a cover layer with a diamond-containing material consisting of nano-crystalline diamond having a Raman spectrum with three lines, i.e. at K = 1334 ± 4 cm?-...
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WO/1998/057344A1 |
The light source comprises an evacuated container having walls, at least a portion of which consists of an outer glass layer (23, 23') which on at least a major part thereof is coated on the inside with a layer of phosphor (24, 24') form...
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WO/1998/057345A1 |
A field emission cathode (40) and a light source (10) including a field emission cathode (40). The field emission cathode (40) includes a base body, and field emitting bodies in the form of fibres (42), attached to the base body. The fib...
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WO/1998/054750A1 |
An electron beam source includes a cathode (200) having an electron emission surface including an active area (208) for emission of electrons and a cathode shield assembly (220) including a conductive shield disposed in proximity to the ...
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WO/1998/054745A1 |
An electron-emitting device contains an electron focusing system (37 or 37A) formed with a base focusing structure (38 or 38A) and a focus coating (39 or 39A) that penetrates, preferably only pathway, into a focus opening (40) extending ...
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WO/1998/054741A1 |
An electron-emitting device utilizes an emitter electrode (12) shaped like a ladder in which a line of emitter openings (18) extend through the electrode. In fabricating the device, the emitter openings can be utilized to self-align cert...
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WO/1998/053476A1 |
A film (carbon and/or diamond) for a field emitter device, which may be utilized within a computer display, is produced by a process utilizing etching of a substrate (704) and then depositing the film (705). The etching step creates nucl...
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WO/1998/052228A1 |
A cold cathode electron emission structure (34) includes an amorphous carbon matrix having cesium dispersed therein, with the cesium present in substantially non-crystalline form. A cesium-carbon-oxide layer (36) is positioned on the amo...
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WO/1998/050934A1 |
This invention discloses a thin-film-coated photocathode, including a photocathode formed of first material consisting of potassium cesium antimonide and a thin-film coating of a second material consisting of cesium bromide (CsBr).
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WO/1998/049704A1 |
The invention relates to a cathode structure intended to be inserted into an electron gun for a cathode-ray tube. The cathode comprises a cathode body (23) on the end of which is placed an emissive pellet (26), the cathode body being hel...
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WO/1998/048437A1 |
Semiconductor device with a semiconductor cathode having an emissive part (pn junction) separated from a contact part which has locations at which a controlled breakdown occurs on a contact metallization at too high voltages, so that, du...
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WO/1998/045868A1 |
An electron emitting device provided with, as a first basic configuration, at least two electrodes horizontally spaced at a predetermined interval and a plurality of electron emitting portions made of grains or aggregates of grains and d...
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WO/1998/043747A1 |
A method for forming a conductively coated matrix structure for separating rows and columns of sub-pixels (106) on the faceplate (104) of a flat panel display device. One embodiment deposits a photoresistive material (108) over the inter...
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WO/1998/044527A1 |
Metal-oxygen-carbon field emission electron emitter compositions and field emission cathodes made thereform are disclosed. A process for making metal-oxygen-carbon whisker field emitters is also provided, wherein a metal substrate (e.g.,...
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WO/1998/044526A1 |
A cathode structure (200, 203, 204) suitable for a flat panel display is provided with coated emitters (229, 239, 230). The emitters are formed with material, typically nickel, capable of growing to a high aspect ration. These emitters a...
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WO/1998/044529A1 |
Diamond microtip field emitters (25) are fabricated for use in diode and triode vacuum microelectronic devices, sensors and displays. Ultra-sharp emitter tips are formed in a fabrication process in which diamond is deposited into mold ca...
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WO/1998/039791A2 |
The invention concerns cold electrodes for gas discharges with an electrically conductive carrier material (1) on which an emission coating (3) is disposed, the photoelectric output work of the material of the emission coating (3) being ...
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WO/1998/037166A1 |
Sulfur-containing phosphor powders, methods for making phosphors powders and devices incorporating same. The powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the inventi...
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