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6014118 |
High resolution image source
Image source, for converting image data in the form of serial charges into a high-resolution imagewise light pattern, combines semiconductor charge-coupled devices for receiving the charges,...
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6010918 |
Gate electrode structure for field emission devices and method of making
Field emission devices may include emitter wells formed in a body of dielectric material. A gate conductor may be provided along the upper surface of the dielectric material. A gate hole may be...
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6008577 |
Flat panel display with magnetic focusing layer
A flat panel display includes a magnetic material for focusing electrons onto a faceplate or phosphors of each pixel on a screen. In one embodiment, a display screen includes a faceplate having a...
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6008062 |
Undercutting technique for creating coating in spaced-apart segments
A technique for creating a patterned coating entails forming a first region (26) over a primary component (22). A second region (28) is formed over part of the first region. The first region is...
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6008576 |
Flat display and process for producing cathode plate for use in flat display
A flat display is provided, which includes: a cathode plate including emitter electrode lines each having emitter tips provided in pixel areas, and gate electrode lines crossing the emitter...
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6005335 |
Self-gettering electron field emitter
A self-gettering electron field emitter has a first portion formed of a low-work-function material for emitting electrons, and it has an integral second portion that acts both as a low-resistance...
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6002205 |
Implementation of a flat display screen anode
The present invention relates to a flat display screen anode of the type including at least two sets of alternate parallel bands of anode conductors coated with phosphor elements to be excited by...
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5998923 |
Lateral deviation flat display screen
The present invention relates to a flat display screen including a cathode associated with a grid for extracting electrons emitted by at least one region of the cathode, and an anode provided with...
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5994834 |
Conductive address structure for field emission displays
An emitter structure for a field emission display includes: a substrate (100) having a top surface; an address line (142) embedded in the substrate (100) and having an upper surface substantially...
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5990604 |
Field emmitters of wide-bandgap materials
Improved field-emission devices are based on composing the back contact to the emitter material such that electron-injection efficiency into the emitter material is enhanced. Alteration of the...
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5990603 |
Cathode structure with reduced capacitance
A cathode structure of an electron gun for a cathode ray tube includes: a substrate (51); cathode electrode layers (52) formed on the substrate (51) and spaced apart from each other at...
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5986388 |
Field-emission cold-cathode electron gun having emitter tips between the top surface of gate electrode and focusing electrode
A field-emission cathode comprises a substrate having a conductive surface, a gate electrode and a focusing electrode overlying the substrate with insulation layers interposed therebetween, a...
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5982081 |
Field emission display having elongate emitter structures
Field emitter structures are described for use in arrays forming field emission displays. The field emitter structures may be either single or perferably double-gate structures. To enhance the...
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5977696 |
Field emission electron gun capable of minimizing nonuniform influence of surrounding electric potential condition on electrons emitted from emitters
In a field emission electron gun including emitters (104) on predetermined parts of a substrate (109), an insulator film (105) on a remaining part of the substrate, a first gate electrode (101) on...
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5977703 |
Field emission display device
A field emission display device and a fabrication method thereof, by which a vacuum sealing can be simple, and electric and optical characteristics between pixels can be improved by achieving a...
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5977698 |
Cold-cathode emitter and method for forming the same
A cold-cathode emitter includes a high-voltage tank of a second conductivity that is formed in a substrate having a first conductivity. An emitter tip is integral with the tank and extends...
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5977693 |
Micro-vacuum device
A micro-vacuum device comprises a substrates an emitter having a sharp end formed above the substrate, a gate electrode provided above the emitter, and an anode having cooling means provided...
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5973452 |
Display
The present invention provides for a field emission device including an anode assembly and a cathode assembly, wherein the cathode assembly further includes a substrate, a plurality of electrically...
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5969467 |
Field emission cathode and cleaning method therefor
A field emission cathode includes a first electron-emitting structure having a first cathode electrode (3), a first gate electrode (5), a first insulating layer (4) separating the first cathode...
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5966588 |
Field emission display device fabrication method
An improved field emission display device fabrication method which adopts both a silicon wafer direct bonding method and a mold method so as to fabricate an improved field emission display device,...
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5965971 |
Edge emitter display device
An edge emitter display device is provided comprising an anode (1) and a cathode (2). Cathode (2) is situated at a level above and laterally displaced from anode (1), providing an opening for a...
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5965972 |
Field emission cold cathode with buried insulator layer
A field emission cold cathode comprises an n-type silicon substrate (1), a plurality of sharp-pointed emitter cones (2) formed on the n-type silicon substrate (1), and a buried insulator layer (3)...
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5965977 |
Apparatus and method for light emitting and cold cathode used therefor
There is provided a cold cathode including a substrate, a plurality of electron emitting electrodes formed on the substrate, a first insulating layer formed on the substrate and formed with a...
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5962961 |
Thermal field emission electron gun
There is disclosed a long-lived thermal field emission electron gun for use in a scanning electron microscope. The gun has a tungsten tip. The surface of this tip is coated with zirconium,...
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5962958 |
Emitter structure of field emission cold-cathode device using synthetic resin substrate
A field emission cold-cathode device has a supporting substrate, and an emitter for emitting electrons disposed on the supporting substrate. The supporting substrate is essentially formed of a...
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5959400 |
Electron tube having a diamond field emitter
The present invention relates to an electron tube having a configuration which can maintain its operating stability for a long period of time. The electron tube comprises, at least, a field emitter...
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5955849 |
Cold field emitters with thick focusing grids
A field emitter for producing an electron beam includes at least one cold cathode unit. Each of the cold cathode units includes an emitter cone having an emitter tip and a gate spaced apart from...
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5955850 |
Field emission display device
A field emission display device of the type driven on a high anode voltage to accelerate effectively emitted electrons to the anode, thus providing high brightness as well as no leakage of glowed...
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5952771 |
Micropoint switch for use with field emission display and method for making same
A micropoint assembly is disclosed that includes a micropoint and a switch coupled to the micropoint. The switch is operable to activate and deactivate the micropoint and includes a nitride...
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5949182 |
Light-emitting, nanometer scale, micromachined silicon tips
0504221609 Nanometer-scale field emitter tips are fabricated on a single crystal silicon substrate and an optically active semiconductive material is deposited on the tip. A bias voltage is...
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5949393 |
Image display apparatus having phosphors arranged in a checkerboard pattern and its driving method
In an image display apparatus which has a multi-electron beam source in which a plurality of electron emission elements are connected in a matrix pattern using a plurality of data electrodes and a...
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5945778 |
Enhanced electron emitter
An electron emitter formed with a layer of diamond-like carbon having a diamond bond structure with an electrically active defect at an emission site. The electrically active defect acts like a...
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5944975 |
Method of forming a lift-off layer having controlled adhesion strength
A method of fabricating an emitter plate 12 for use in a field emission device comprising the steps of providing an insulating substrate 18 and forming a first conductive layer 13 on the insulating...
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5942849 |
Electron field emission devices
An electron field emission device includes a field emissive cathode which may include a plurality of sharp field emitter tips 2. First and second grids 4 and 7 are located between the cathode and...
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5936354 |
Field emission display with temperature sensing element and method for the operation thereof
A field emission display (100) includes a cathode plate (104) having a plurality of electron emitters (112) and ballast resistors (118), an anode plate (120) having an anode (124), and a...
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5936343 |
Image forming apparatus having a low resistance support member
An image forming apparatus includes a substrate, an electron-emitting device, a wiring electrode for applying an input signal to the electron-emitting device, and an image forming member to which...
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5932962 |
Electron emitter elements, their use and fabrication processes therefor
An electron emitter element is provided which comprises: an insulating base having a gate opening and a slit communicating to the gate opening; an emitter electrode layer formed in the gate opening...
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5929557 |
Field-emission cathode capable of forming an electron beam having a high current density and a low ripple
A field-emission cold cathode has a conductive cold-cathode substrate on which a plurality of conical emitters and a base insulator layer are formed. A ring-shaped gate electrode, a plate-shaped...
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5920151 |
Structure and fabrication of electron-emitting device having focus coating contacted through underlying access conductor
An electron-emitting device contains an electron focusing system (37 or 37A) formed with a base focusing structure (38 or 38A), a focus coating (39 or 39A), and an access conductor (106 or 116)....
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5910701 |
Field-emission cold cathode and manufacturing method for same
A field-emission cold cathode having emitters 9 formed on silicon substrate 1, and a gate electrode film 7 formed on insulation film 6 and having openings over the emitters, further includes...
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5910704 |
Field emission display with a plurality of gate insulating layers having holes
A field emission display includes a substrate with a plurality of cathode layers provided thereon. A plurality of micro tips are provided on each of the cathode layers. A plurality of gate...
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5909033 |
Vacuum-sealed field-emission electron source and method of manufacturing the same
A recess portion in a bowl-like shape is formed at the center of a silicon substrate, and plural cathodes are formed in a matrix with a predetermined distance therebetween on the bottom of the...
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5907215 |
Flat display screen with hydrogen source
A flat display screen includes a cathode (1) with microtips (2) for the electron bombardment of the anode (5) having phosphor elements (7r, 7g, 7b), the cathode (1) and the anode (5) separated by a...
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5905330 |
Field emission cathode with uniform emission
A field emission type cold cathode includes a gate electrode (5), and insulating layer (4) disposed under the gate electrode (5), and emitter cones (7) respectively disposed in cavities penetrating...
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5903098 |
Field emission display device having multiplicity of through conductive vias and a backside connector
A field emitter array device includes a ceramic substrate member having a multiplicity of through conductive vias therein. An insulative material layer is located on the ceramic substrate member....
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5903092 |
Device for emitting electrons
A device comprising a conductor and an emitter electrode for emitting electrons formed on the conductor, the emitter electrode including a mass of a plurality of columnar crystals each containing...
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5894194 |
Invisible spacers for field emission displays
This invention provides a method of fabrication and structure for spacers between the anode substrate and the cathode substrate of a field emission display. The spacers have a high aspect ratio and...
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5894187 |
Field emission cold cathode having concentric cathode areas and feeder areas, and cathode ray tube having such a field emission cold cathode
A field emission cold cathode comprises a silicon substrate, a first insulation layer defining peripheries of a first and second feeder area disposed concentric with each other, a cathode area...
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5892321 |
Field emission cathode and method for manufacturing same
A field emission cathode capable of preventing an increase in emission current discharged from conical emitters due to a variation in environmental temperature. The field emission cathode includes...
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5892320 |
Field emission display with self-aligned grid
A field emission display includes a substrate (400) having a trench (402) formed therein, an emitter (418) formed in the trench (402), a dielectric layer (412) disposed on the substrate (400), and...
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