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Class 313/293 - DISCHARGING DEVICES WITH APERTURED ELECTRODE (E.G., GRID) INTERPOSED BETWEEN TWO ELECTRODES


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Discharge devices which are provided with three or more
No. of patents: 100
Last issue date: 01/24/2012


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NumberTitleIssue Date
8102108Low voltage electron source with self aligned gate apertures, fabrication method thereof, and devices using the electron source
A method of fabricating an electron source having a self-aligned gate aperture is disclosed. A substrate is deposited on a first conductive layer. Over the first conductive layer an emitter layer is deposited. The emitter layer includes one or a plurality of spaced-...
01/24/2012
7635944Electron-emitting device and method for manufacturing same
An electron-emitting device includes an emitter section composed of a dielectric material, a lower electrode disposed on the lower side of the emitter section, and an upper electrode disposed on the upper side of the emitter section so as to be opposed to the lower ...
12/22/2009
7432644Electron emission device having expanded outer periphery gate holes
An electron emission device includes a pair of anode and cathode substrates facing each other, and cathode electrodes, an insulating layer, and gate electrodes sequentially deposited on the cathode substrate. Gate holes are formed within the respective pixels by par...
10/07/2008
7427831Electron emission device and electron emission display device
An electron emission device includes an electron emission region formed on a substrate for emitting electrons, a driving electrode for controlling the emission of the electrons, and a focusing electrode electrically insulated from the driving electrode. The driving ...
09/23/2008
7400083Flat panel display device including electron beam sources and control electrodes
Using a cathode material with which an electron emission having sufficient intensity is obtained with a low electric field, over a back substrate, cathodes and first control electrodes are formed on the same plane, which is parallel to the back substrate, thus formi...
07/15/2008
7397175Solid state vacuum devices
A solid-state vacuum device (SSVD) and method for making the same. In one embodiment, the SSVD forms a triode device comprising a substrate having a cavity formed therein. The SSVD further comprises a cathode positioned near the opening of the cavity, wherein the ca...
07/08/2008
7365493Device for producing high frequency microwaves
A device is proposed for producing high-frequency microwaves, having a cathode arrangement with heatable cathodes for emitting electrons, two grating arrangements for controlling and focusing the electrons flow and an anode for recaiving the electrons passing throug...
04/29/2008
7362045Field emission display having grid plate
A field emission display includes a first substrate and a second substrate that face one another with a predetermined gap therebetween. An electron emission assembly that emits electrons by generating an electric field is formed on the first substrate, and an illumi...
04/22/2008
7327077Electron tube control grid
In a control grid for an electron tube, the grid has first bars that are evenly spaced out on a skewed surface and extend substantially as circle pseudo-involutes about a central hub. ...
02/05/2008
7319287Electron emission device with grid electrode
The present invention relates to an electron emission device in which a high voltage can be properly applied to anode electrodes by improving a pattern of apertures of a grid electrode to reduce a diode emission. In an exemplary embodiment of the present invention, ...
01/15/2008
7309954Field emission display having gate plate
The present invention relates to a field emission display in which a gate plate having a gate hole and a gate electrode around the gate hole is formed between an anode plate having phosphor and a cathode plate having a field emitter and a control device for controll...
12/18/2007
7282851Display device
A display device includes a back substrate having a plurality of cathode lines, and a plurality of control electrodes, which are insulated from the cathode lines on an inner surface thereof, and a front substrate which is arranged to face the back substrate in an op...
10/16/2007
7269940Ion engine grid arcing protection circuit
An arcing protection circuit for the screen and accelerator grids of an ion thruster engine includes an impedance, which in one embodiment, is fixed, and in another, is variable, coupled in series between the accelerator grid of the engine and a current return path ...
09/18/2007
7259358Encapsulated graphite heater and process
A graphite heater and method of forming a graphite heater comprising a graphite body configured to form an electrical heating circuit for at least one heating zone through the graphite encapsulated in a continuous overcoat layer comprising at least one of a nitride,...
08/21/2007
7223148Method of fabricating tetra-polar field-emission display
A method of fabricating a tetra-polar field-emission display, using a shadow mask to form an opening of a converging electrode, so as to improve converging effect of an electron beam propagating through the opening. An anode electrode structure and a cathode electro...
05/29/2007
7196464Light emitting cell and method for emitting light
A light-emitting cell, includes a light-emitting material which can emit light in response to a collision of an electron beam; an electron-emitting unit having a carbon nanotube as an electron source for releasing the electron beam and emitting the electron beam to ...
03/27/2007
7079093Organic light emitting diodes display
An organic light emitting diodes display device includes a number of data lines, scan lines, and cathode electrodes. These scan lines are perpendicular to the data lines to form a number of pixels, each of which possess a pixel area respectively. All the pixels area...
07/18/2006
7053544Display device
In a display device, to ensure sufficient electron source regions on cathode lines formed on a back substrate, cathode lines are divided into line portions and cathode portions, wherein the line portions are made narrow to a width which is a required minimum for tra...
05/30/2006
7005783Solid state vacuum devices and method for making the same
A solid state vacuum device (SSVD) and method for making the same. In one embodiment, the SSVD forms a triode device comprising a substrate having a cavity formed therein. The SSVD further comprises an anode positioned in the cavity of the substrate, a cathode suspe...
02/28/2006
7005807Negative voltage driving of a carbon nanotube field emissive display
An electron-emitting display device contains an emitter electrode, an anode and a gate electrode and an electron emission control device. The electron emission control device includes a plurality of voltage controllers which applies a positive voltage charge to the ...
02/28/2006
6995502Solid state vacuum devices and method for making the same
A solid-state vacuum device (SSVD) and method for making the same. In one embodiment, the SSVD forms a triode device comprising a substrate having a cavity formed therein. The SSVD further comprises cathode positioned near the opening of the cavity, wherein the cath...
02/07/2006
6936524Ultrathin form factor MEMS microphones and microspeakers
A process comprises reducing the thickness of a substrate carrying a plurality of devices, with at least certain of the devices having a micro-machined mesh. A carrier wafer is attached to the back side of the substrate and the fabrication of the devices is complete...
08/30/2005
6936958Display device
A gap formed between cathode wires 2 (electron emitting sources 2a) and control electrodes 4 is made uniform and a gap formed between a rear panel 100 and a face panel 200 is held at a predetermined value with high accuracy....
08/30/2005
6906449Hybrid thermionic energy converter and method
The present invention embodies a solid state thermionic energy converter and is directed to a method and apparatus for conversion of thermal energy to electrical energy, and electrical energy to refrigeration. The present invention maintains a thermal separation bet...
06/14/2005
6822388Display device with plate-like control electrodes
A display device of the present invention reduces the occurrence of cracks and breaking of plate-like control electrodes, enhances the operability of assembling and suppresses the reduction of a yield factor of products. The display device includes a back substrate ...
11/23/2004
6803725On-chip vacuum microtube device and method for making such device
In accordance with the invention, improved vacuum microtube devices are provided with arrangements for tunably spacing the gate and the cathode. Tuning can be effected by using an electrostaic or magnetic actuator to move the gate on a spring or a rail. Advantageous...
10/12/2004
6741016Focusing lens for electron emitter with shield layer
An electron lens is used for focusing electrons from a cathode to an anode. The lens includes a first conductive layer with a first opening at a first distance from the cathode. The first conductive layer is held at a first voltage. The lens also includes a second c...
05/25/2004
6727637Buffered resist profile etch of a field emission device structure
A field emission device comprises an emitter tip that is optionally formed from and integral with an emitter layer. The emitter tip has a base, an apex, and an exterior surface having a profile between the base and the apex. The profile has a continuous shape that e...
04/27/2004
6682382Method for making wires with a specific cross section for a field emission display
A method of making a wire for a gate frame of a field emission display including the step of forming a gate wire of a gate frame of a field emission display, wherein the gate wire has a cross section shaped to produce an electric field between adjacent ga...
01/27/2004
6664720Temperature compensated gun
The invention relates to linear beam amplification devices having an electron emitting cathode and an RF modulated grid closely spaced therefrom, and more particularly, to a novel support structure for the grid that accommodates thermal expansion while ma...
12/16/2003
6635978Electron tube with axial beam and pyrolitic graphite grid
A grid for an electron tube with an axial beam which includes an apertured part through which the electrons of the beam are intended to pass. The grid is in the form of a bell and is made of a single material. The apertured part is located at the top of t...
10/21/2003
6611094Double-faced vacuum fluorescent display device and method for driving same
A simple and slim double-faced vacuum fluorescent display device has no grid, thereby lowing the power consumption and fabrication cost thereof. Anode electrodes on one of the front plate and the back plate function as grids for anode electrodes on the ot...
08/26/2003
6518699Field emission display having reduced optical sensitivity and method
An emitter substructure and methods for manufacturing the substructure are described. A substrate has a p-region formed at a surface of the substrate. A n-tank is formed such that the p-region surrounds a periphery of the n-tank. An emitter is formed on a...
02/11/2003
6515482Ionization vacuum gauge
An ionization vacuum gauge which can stably perform measurements of pressure in the intermediate vacuum to high vacuum regions, that is performed by an ionization-type first measurement element, as well as in the measurement region intrinsic to a second m...
02/04/2003
6407499Method of removing surface protrusions from thin films
A method for removing a surface protrusion projecting from a layer of a first material deposited on a surface of a substrate. In accordance with one embodiment of the invention, a layer of a second material is applied on the layer of first material. A suf...
06/18/2002
6400090Electron emitters for lithography tools
The specification describes a method and apparatus for electron beam lithography wherein a Wehnelt electron gun is modified to improve the uniformity of the electron beam. A mesh grid is applied to the Wehnelt aperture and the mesh grid functions as a mul...
06/04/2002
6380803Linear amplifier having discrete resonant circuit elements and providing near-constant efficiency across a wide range of output power
A linear amplifier comprises an electron gun assembly having a cathode, and an anode spaced from the cathode. A relatively high voltage potential is applied between the anode and the cathode, and the cathode provides an electron beam in response to the re...
04/30/2002
6304033Electron beam tube having a DC power lead with a damping structure
An electron beam tube (1) having an input resonator cavity (2) through which a high-frequency control voltage is applied between cathode (15) and grid (17) of the tube (1), while an annular electrode (8) connected in an electrically conducting manner to t...
10/16/2001
6297584Precision alignment of microcolumn tip to a micron-size extractor aperture
A method and an accompanied apparatus for aligning an electron emitter with an extractor hole of a microcolumn. Four V-grooves, defined together with the window for forming the membrane and having bottoms situated on two axis are microfabricated on a chip...
10/02/2001
6271632Field emission display having reduced optical sensitivity and method
An emitter substructure and methods for manufacturing the substructure are described. A substrate has a p-region formed at a surface of the substrate. A n-tank is formed such that the p-region surrounds a periphery of the n-tank. An emitter is formed on a...
08/07/2001
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