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8177987 |
Method for producing electron-emitting device and method for producing image display apparatus including the same
A method for producing an electron-emitting device includes forming a first conductive film on a side surface of an insulation layer including the side surface and a top surface connected to the...
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8172633 |
Field emission display and manufacturing method of the same having selective array of electron emission source
The present invention relates to a field emission display and a manufacturing method of the same having selective positioning of electron field emitters. More specifically, the present invention...
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8169134 |
Field emission device
A field emission device includes: a first substrate on which a gate electrode line, a cathode line, and an electron emission source are formed; a second substrate disposed to face the first...
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8148685 |
Transmission electron microscope micro-grid
A transmission electron microscope (TEM) micro-grid includes a base and a plurality of electron transmission portions. The base includes a plurality of first carbon nanotubes and the first carbon...
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8138665 |
Liquid metal wetting of micro-fabricated charge-emission structures
Described is a micro-fabricated charged particle emission device including a substrate and a plurality of charged particle emission sites formed in the substrate. A path extends between each...
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8129894 |
Carbide nanostructures and methods for making same
A structure includes a substrate and a metallized carbon nano-structure extending from a portion of the substrate. In a method of making a metallized carbon nanostructure, at least one carbon...
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8120238 |
Deep ultraviolet semiconductor optical device
A large-area and high-luminance deep ultraviolet light source device is provided under circumstances where the scales of existing mercury lamps used as ultraviolet light sources cannot be reduced...
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8115207 |
Vacuum channel transistor and diode emitting thermal cathode electrons, and method of manufacturing the vacuum channel transistor
Provided are a transistor and a method of manufacturing the transistor, and more particularly, a vacuum channel transistor emitting thermal cathode electrons and a method of manufacturing the...
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8106576 |
Field emission unit and pixel tube for field emission display
A pixel tube for field emission display includes a sealed container, three anodes, three phosphor layers, and a cathode. The sealed container has a light permeable portion. The three anodes are...
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8080930 |
Self-regenerating nanotips for low-power electric propulsion (EP) cathodes
Spindt-type field-emission cathodes for use in electric propulsion (EP) systems having self-assembling nanostructures that can repeatedly regenerate damaged cathode emitter nanotips. A nanotip is...
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8076832 |
Electron emitter structure and associated method of producing field emission displays
A method of forming an electron emitter structure for use in a field emission display, or as a field emission backlight for an LCD display is provided. The electron emitter structure is formed by...
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8076834 |
Field emission device with protecting vapor
A field emission device in which a protecting vapor is present in an evacuated space between a field emission cathode assembly and an anode. The protecting vapor may be one or more...
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8075359 |
Phosphorus-doped diamond film allowing significantly reduced electron emission voltage, method for producing the same, and electron source using the same
A phosphorus-doped diamond film, which contains phosphorus at a concentration of 1015 cm−3 or more, has a resistivity of 107 Ωcm or less, and allows the voltage for initiation of electron em...
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8040034 |
Electron source
An electron source producing an electron beam which is highly reliable and stable even when it is externally oscillated. The electron source comprises a cathode (1) having an electron emitting...
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8035291 |
Field emission electrode, manufacturing method thereof, and electronic device
An electron emission film having a pattern of diamond in X-ray diffraction and formed of a plurality of diamond fine grains having a grain diameter of 5 nm to 10 nm is formed on a substrate. The...
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8026674 |
Electron source and method for the operation thereof
An electron source has an electron emitter with an electron emission cathode, a high voltage unit provided for power supply of the electron emission cathode, and a low voltage unit provided to...
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8013505 |
Field emission electron source having a carbon nanotube needle
A field emission electron source includes a CNT needle and a conductive base. The CNT needle has an end portion and a broken end portion; the end portion is contacted with and electrically...
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7923914 |
Field emission cathode device and field emission display using the same
The field emission cathode device includes an insulating substrate with a number of cathodes mounted thereon. A number of field emission units are mounted on the cathodes. A dielectric layer is...
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7898161 |
Diamond electron radiation cathode, electron source, electron microscope, and electron beam exposer
An object is to provide an electron emitting cathode achieving high luminance, low energy dispersion, and long life. It is therefore an object to provide a diamond electron emitting cathode...
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7898160 |
Method and apparatus for modifying object with electrons generated from cold cathode electron emitter
Apparatus and method for modifying an object with electrons are provided, by which the object can be uniformly and efficiently modified with the electrons under a pressure substantially equal to...
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7868531 |
Carbon nanotube arrays for field electron emission
A method for preparation of carbon nanotubes (CNTs) bundles for use in field emission devices (FEDs) includes forming a plurality of carbon nanotubes on a substrate, contacting the carbon nanotubes...
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7863805 |
Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device
It is possible to provide an electron emission cathode, an electron emission source having a high-luminance and narrow energy width by using diamond and an electronic device using them. The diamond...
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7847273 |
Carbon nanotube electron gun
An electron gun, an electron source for an electron gun, an extractor for an electron gun, and a respective method for producing the electron gun, the electron source and the extractor are...
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7847596 |
Electrical device for performing logic functions
An electronic device is presented for performing at least one logic function. The device comprises an electron emission based electrode arrangement associated with an electron extractor. The...
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7839067 |
Carbon film having shape suitable for field emission
A carbon film of the present invention has an elongated needle shape whose radius decreases toward a tip. The shape is, preferably, a shape in which a field concentration coefficient β in the ...
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7821193 |
Color pixel element for field emission display
A color pixel element for field emission display includes a sealed container having a light permeable portion, at least two anodes, a cathode, at least two phosphor layers formed on the end...
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7808169 |
Electron emitting device and electromagnetic wave generating device using the same
Provided is an electron emitting device which can achieve high electron emission efficiency even in the case where excitation energy is low. The device includes a carbon nanotube layer which is...
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7791258 |
Activation effect on carbon nanotubes
Particles, which may include nanoparticles, are mixed with carbon nanotubes and deposited on a substrate to form a cold cathode. The particles enhance the field emission characteristics of the...
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7781954 |
Pixel element for field emission display
A pixel element for field emission display includes a sealed container having a light permeable portion, an anode, a cathode, a phosphor layer formed on an end surface of the anode, and a CNT...
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7755271 |
Field emission electrode, manufacturing method thereof, and electronic device
An electron emission film having a pattern of diamond in X-ray diffraction and formed of a plurality of diamond fine grains having a grain diameter of 5 nm to 10 nm is formed on a substrate. The...
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7714492 |
Electron emission material and electron emission panel having the same
An electron emission material includes an electron emission material main body, a base metal layer disposed on the electron emission material main body, and a thermal electron emission layer...
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7710013 |
Electron emitting device with projection comprising base portion and electron emission portion
The present invention relates to an electron emitting device having a structure for efficiently emitting electrons. The electron emitting device has a substrate comprised of an n-type diamond, and...
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7595490 |
Charged particle beam emitting device and method for operating a charged particle beam emitting device
A method for operating a charged particle beam emitting device and, in particular, an electron beam emitting device including a cold field emitter is provided. The method includes the steps of...
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7586098 |
Ion stripper device made of carbon nanotubes or fullerenes
A system and method for developing a solid state stripper device is described that more effectively strips off negative carbon ions to produce positively charged carbon ions. In one embodiment the...
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7579766 |
Electron emission device with improved electron emission structure for increasing emission efficiency and lowering driving voltage
An electron emission device includes first and second substrates facing each other with a predetermined distance, cathode electrodes formed on the first substrate, electron emission regions formed...
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7573200 |
Plasma display panel
An object of the present invention is to reduce power consumption in a plasma display panel (PDP) by reducing the discharge firing voltage, while suppressing the occurrence of discharge variability...
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7554255 |
Electric field emission device having a triode structure fabricated by using an anodic oxidation process and method for fabricating same
An electric field emission device having a triode structure is fabricated by using an anodic oxidation process. The device includes a supporting substrate, a bottom electrode layer to be used as an...
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7545179 |
Electronic device and method and performing logic functions
An electronic device is presented which is configured to operate as at least one logic gate. The device comprises an electrodes arrangement of one or more basic units, the basic unit being...
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7545089 |
Sintered wire cathode
A porous cathode structure is fabricated from a plurality of wires which are placed in proximity to each other in elevated temperature and pressure for a sintering time. The sintering process...
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7544951 |
Electron gun assembly
A device which employs an electron beam, for performing a desired function, includes an electron gun for generating the electron beam. The electron gun includes a barrel shaped rotatable structure...
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7531953 |
Field emission cathode with field emitters on curved carrier and field emission device using the same
A field emission device (8) includes a cathode (80), an anode (84), and spacers (83) interposed therebetween. The cathode includes a network base (81) and a plurality of field emitters (82) formed...
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7508124 |
Field emission device, display adopting the same and method of manufacturing the same
A field emission device comprises a glass substrate, an emitter electrode formed on the glass substrate, a carbon nanotube (CNT) emitter formed on the emitter electrode, and a gate stack formed...
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7501750 |
Emitting device having electron emitting nanostructures and method of operation
An emission device is provided for extracting electrons onto an anode of a visual display. The emission device (10) includes a conductivity limited material (18) positioned between first and second...
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7492086 |
Low work function emitters and method for production of FED's
According to one aspect of the invention, a field emission display is provided comprising: an anode; a phosphor screen located on the anode; a cathode; an evacuated space between the anode and the...
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7489069 |
Field emission light source and a related backlight device
A light source (100) provided herein generally includes a substrate (110), a cathode (120), an isolating layer (122), a light-permeable anode (152), and at least one fluorescent layer (154). The...
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7486011 |
Thread-type electron emission element
By making a cathode substrate function as a cathode and applying a voltage to the cathode and an anode, an electron emission element emits an electron from an electron source provided on the...
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7466072 |
Carbon nanotube and electron emission device including the carbon nanotube
Provided are a carbon nanotube in which a Full-Width at Half-Maximum of X-ray diffraction is 0.6 or less, an electron emission source including the carbon nanotube, and an electron emission device...
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7459839 |
Low voltage electron source with self aligned gate apertures, and luminous display using the electron source
An electron source include a first cathode electrode disposed over a substrate and terminated to provide electrons; an emitter layer disposed over the cathode electrode and formed from one or...
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RE40566 |
Flat panel display including electron emitting device
A display device consisting of an electron-emitting device which is a laminate of an insulating layer and a pair of opposing electrodes formed on a planar substrate. A portion of the insulating...
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7446469 |
Flat lamp device with multi electron source array
A flat lamp device includes lower and upper glass plates facing each other in parallel; spacers interposed between the plates to keep a distance therebetween; a cathode electrode singly formed over...
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