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WO/2002/103739A1 |
A field emission type cold cathode, comprising a substrate having a conductivity at least on the surface thereof, an insulation layer formed on the substrate and having a first opening part, a gate electrode layer formed on the insulatio...
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WO/2002/103337A2 |
An electron beam apparatus, in which an electron beam emitted from an electron gun having a cathode and an anode is focused and irradiated onto a sample, and secondary electrons emanated from the sample are directed into a detector, the ...
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WO/2002/097844A2 |
A display tube comprises an electron source (10), a module (20) provided with a guidance cavity (25R, 25G, 25B) for guiding electrons emitted by the electron source (10) to an exit aperture (27R, 27G, 27B) of the guidance cavity (25R, 25...
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WO/2002/097845A2 |
The invention relates to an electron gun (100) for use in a cathode ray tube. The electron gun (100) has an electron source (10), a body (20) with a transmission cavity (25) of which the wall (28) is at least partly coated with an electr...
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WO/2002/093585A1 |
The invention relates to an actuating and sensing device for scanning probe microscopes. The actuating and sensing device includes a tuning fork (21) containing two prongs, connection means (23), e.g. a spring means, and a probing tip (2...
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WO/2002/092533A1 |
This invention provides a dielectric composition comprising a dielectric which is fireable in air at a temperature in the range of about 450°C to about 550°C and a conductive oxide selected from the group consisting of antimony-doped t...
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WO/2002/078059A1 |
The present invention discloses a new field emitter cell (100) and array consisting of groups of nanofilaments (114) forming emitter cathodes. Control gates are microprocessed to be integrally formed with groups of nanofilament emitter c...
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WO/2002/073647A1 |
A field emitter cell and array consist of groups of nanofilaments (114) forming emitter cathodes (116). Control gates (108) are microprocessed to be integrally formed with groups of nanofilaments emitter cathodes on a substrate (102). Gr...
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WO/2002/061790A2 |
A microcathode which integrates both an electron emitter, or cathode, and an extractor electrode. The electron emitter is attached to the back side of a thin film microstructure on a first surface of a substrate. Electrons are emitted fr...
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WO/2002/061789A1 |
Low-cost electron emission device and field emission display using a cold cathode that is high in electron beam utilization efficiency and can restrict the spreading of an electron beam. A configuration is built such that an electric fie...
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WO/2002/045113A1 |
A pattern forming method for carbon nanotube (106) capable of forming a pattern by wet-etching a carbon nano-tube (106) by a transfer method, comprising the steps of using a solution dissolving a binder used for the transfer method as a ...
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WO/2002/033689A1 |
The object of the present invention is to provide a driving method and a driving apparatus for a field emission device that controls emission current with stability regardless of how long the device is driven. The field emission device d...
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WO/2002/031850A1 |
A field emitter (10) having improved electron emission properties is provided. Electron-emitting microtip protrusions (14) in an emitter layer (12) are separated from a dielectric layer (18) by an interlayer (16) that prevents substantia...
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WO/2002/029843A1 |
An electron field emission device is provided by placing a substrate in a reactor, heating the substrate and supplying a mixture of hydrogen and a carbon-containing gas to the reactor while supplying energy to the mixture of gases near t...
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WO/2002/027745A1 |
A cold-cathode electron source having an improved use efficiency of an electron beam and a simple structure. The cold-cathode electron source comprises a gate electrode (4) provided on a substrate (2) through an insulating layer (3) and ...
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WO/2002/021558A2 |
A vacuum gap dielectric field emission triode and a method of fabrication include a conductive layer (21) positioned on a supporting substrate (20) and an emitter (25) positioned on the conductive layer. A gate metal layer electrically s...
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WO/2002/019372A2 |
Systems and methods are described for field emission devices having carbon nanofiber emitters. A method, includes: providing a substance; depositing a catalyst, the catalyst coupled to the substrate; depositing a dielectric layer, the di...
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WO/2002/019378A2 |
A system for inhibiting the transport of contaminant particles with an ion beam includes an electric field generator (12, 14) for generating an electric field (28) relative to a path of travel (20) for the ion beam (16). A particle (66) ...
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WO/2002/019377A2 |
A system (10) for inhibiting the transport of contaminant particles (60) with an ion beam (44) includes a pair of electrodes (14, 16) that provide opposite electric fields (26, 28, 30, 32) through which the ion beam (44) travels. A parti...
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WO/2002/017346A2 |
An electron source is disclosed in which control signals having transition times less than about 10 nanoseconds and electrically isolated from a gated photocathode control an electron beam supplied by the gated photocathode. In one embod...
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WO/2001/093293A1 |
A plasma ion source comprises a cathode chamber (1) with a gas input unit (2). A hollow cathode (3) forming an anode chamber (4) is connected with the cathode chamber (1) via the outlet made in the wall of the latter. The ion source stru...
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WO/2001/082324A1 |
A current regulator controls the electron emission from a cold cathode using closed-loop feedback from a current sensor in the cathode connection. The regulator circuit includes a cold cathode, a current-sensing element, a current-limiti...
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WO/2001/073809A1 |
Apparatus for method for mounting a field emission device having emitters and an extraction grid in an electron gun are provided. The apparatus may be adapted from parts of a conventional electron gun that uses a thermionic emitter. Elec...
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WO/2001/071758A1 |
A fluorescent screen (42) is formed on the inside of a faceplate (12), while an electron source (18) for exciting the fluorescent screen (42) is formed on the inside of a rear plate (10). The electron source (18) includes an alumina subs...
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WO/2001/067481A1 |
A triode structure cold cathode assembly (700) is produced by depositing a carbon emitter material (702) onto a substrate (601) to form a cathode structure. Then, an insulating layer (501) is deposited onto one side of a mesh foil (301) ...
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WO/2001/056051A2 |
Apparatus and method are provided for a package structure that enables mounting of a field-emitting cathode into an electron gun. A non-conducting substrate has the cathode attached and the cathode is electrically connected to a pin thro...
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WO/2001/052328A1 |
A field emitter cell (10) includes a thin-film-edge emitter (22) normal to the gate layer (18). The field emitter cell (10) may include a conductive layer substrate (12), an insulator layer (16) having a perforation (20), a gate layer (1...
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WO/2001/050491A1 |
A field emission cathode providing for dynamic adjustment of beam shape is disclosed. Beam shape adjustment is accomplished by segmenting the gate electrode (17) of a gated field emission cathode and independently driving the various gat...
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WO/2001/043202A2 |
An image sensor package (1100) includes an image sensor (106), a window (122), and a molding (124C), where molding (124C) includes a lens holder extension portion (1102) extending upwards from window (122). Lens holder extension portion ...
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WO/2001/043156A1 |
A field emission device (100, 200, 300, 400, 500) includes a substrate (110, 210, 310, 410, 510), a cathode (115, 215, 315, 415, 515) formed thereon, a plurality of electron emitters (170, 270, 370, 470, 570) and a plurality of gate elec...
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WO/2001/033919A1 |
An X-ray generator (1) of open type comprising a section (15) for generating a high voltage (e.g. 160 kV) in order to enhance the handling by eliminating a high voltage cable, and a power supply section (14) where a grid connection wirin...
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WO/2001/033920A1 |
A nondestructive inspection apparatus with integrated power supply comprises a molded power supply section (14) having a resin-molded high voltage (e.g. 160 kV) generating section (15) secured to the base of a tubular section (2). The du...
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WO/2001/026131A1 |
A cathode ray tube comprising an electron source and an electron beam guidance cavity having an input aperture and an output aperture, wherein at least a part of the wall of the electron beam guidance cavity (220) near the output apertur...
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WO/2001/024217A1 |
The invention pertains to electron exposure equipment useful for exposing, treating and processing coatings and other materials by a cold cathode gas discharge electron source having a broad uniform emitting area. The apparatus has a vac...
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WO/2001/018838A1 |
The invention concerns a device for producing an electric field between two electrodes (35, 37), said electric field intended to have a predetermined value in the proximity of one (35) of the two electrodes, the device comprising means f...
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WO/2001/011737A1 |
A method of generating light comprising the step of applying an electric field to an excimer-forming gas such as a gas mixture containing noble gases and hydrogen or halogen, and providing free electrons in the gas. The electric field is...
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WO/2001/009870A1 |
A method for improving life of a field emission display (100), which has a plurality of electron emitters (118) and an anode (124), includes the steps of causing plurality of electron emitters (118) to emit electrons, applying a first an...
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WO/2001/006535A1 |
An electron gun (10) as for a cathode ray tube includes a plurality of electrodes biased at different potentials to electrostatically shape and focus the one or more electron beams produced thereby. A dynamic focus grid (G6) is driven by...
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WO/2001/006531A1 |
A compact electron gun includes a field emission cathode (12), a Pierce-like electrode (18), a gate layer (14), a focus lens layer (16), a focus lens (20), and a convergence cup (22).
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WO/2001/003155A1 |
A system for joining at least two beams of charged particles that includes directing a first beam along a first axis into a field. A second beam is directed along a second axis into the field. The first and second beams are turned, by in...
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WO/2000/079558A1 |
A cathode ray tube comprising an electron source and an electron beam guidance cavity (220) having an input aperture (208) and an output aperture (223), wherein at least a part of the wall of the electron beam guidance cavity near the ou...
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WO/2000/072413A2 |
The invention relates to a miniaturized terahertz radiation source based on the Smith-Purcell effect. According to the invention, an energy-rich electron beam is emitted from a focused electron source at a defined distance across a metal...
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WO/2000/060632A2 |
System and methods are described for addressable field emission array (AFEA) chips. A method of operating an addressable field-emission array, includes: generating a plurality of electron beams from a plurality of emitters that compose t...
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WO/2000/060630A1 |
A field emitter cell (10) includes a thin film edge emitter (22) normal to a gate layer (18). The field emitter is a multilayer structure including a low work function material sandwiched between two protective layers. The field emitter ...
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WO/2000/055880A1 |
A field-emission device is designed for finely controlled reliable electron emission from a cathode with decreased voltage applied to a grid. An electric field formed between a grid (3) and an anode and extending through an opening in th...
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WO/2000/054299A1 |
A field emission device (FED) comprising an amorphous substrate; impurity diffusion preventing layer; FET formed on a formation surface of a semiconductor layer made of amorphous silicon or polycrystalline silicon; one or more emitters m...
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WO/2000/052727A1 |
An electron beam emitting device having a first plate provided with electron emitting elements (15) and an electrode (8) opposed to the first plate and given a potential for accelerating electrons emitted from the electron emitting eleme...
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WO2000008666A9 |
The method and apparatus provides a voltage gain as well as for generating energy. The anomalous lack of repulsion observed between unbound electrons (54) is exploited by the apparatus which includes an electron gun (9) and a capacitor (...
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WO/2000/051154A1 |
A structure and method for forming a column electrode for a field emission display device wherein the column electrode (702) is disposed beneath the field emitters and the row electrode. In one embodiment, the present invention comprises...
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WO/2000/048220A1 |
The invention concerns a field emitter array capable of microwave modulation, comprising at least an array (R) of emissive tips, means for producing a microwave modulation signal including a semiconductor element (S) controllable in micr...
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