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Class Information
Number: 313/304
Name: Electric lamp and discharge devices > Discharging devices with apertured electrode (e.g., grid) interposed between two electrodes > Plural-parallel-section cathode with electrode surrounding each section
Description: Discharge devices which have a cathode which is composed of a plurality of parallel sections, the apertured or grid-like electrode being provided with a plurality of tubular parts, each tubular part of the apertured or grid-like electrode completely surrounding a different one of the parallel sections of the cathode.


Patents under this class:

Patent Number Title Of Patent Date Issued
7400083 Flat panel display device including electron beam sources and control electrodes Jul. 15, 2008
7282851 Display device Oct. 16, 2007
7255937 Encapsulated organic electroluminescent display Aug. 14, 2007
7156715 Triode structure of field emission display and fabrication method thereof Jan. 2, 2007
7079093 Organic light emitting diodes display Jul. 18, 2006
7053544 Display device May. 30, 2006
6853117 Electron source and producing method therefor Feb. 8, 2005
6579630 Deuterated semiconducting organic compounds used for opto-electronic devices Jun. 17, 2003
6472814 Electron-emitting device provided with pores that have carbon deposited therein Oct. 29, 2002
6469436 Radiation shielding for field emitters Oct. 22, 2002
5925891 Field-emission electron source Jul. 20, 1999
5783900 Large-area electron irradiator with improved electron injection Jul. 21, 1998
5600200 Wire-mesh cathode Feb. 4, 1997
5363021 Massively parallel array cathode Nov. 8, 1994
5280218 Electrodes with primary and secondary emitters for use in cross-field tubes Jan. 18, 1994
4745324 High power switch tube with Faraday cage cavity anode May. 17, 1988
4680500 Integral grid/cathode for vacuum tubes Jul. 14, 1987
H216 Method for and product of electron emissive layer and multibeam CRT thereby Feb. 3, 1987
4583021 Electron gun with improved cathode and shadow grid configuration Apr. 15, 1986
4551649 Rounded-end protuberances for field-emission cathodes Nov. 5, 1985
4469982 Electron-beam tube Sep. 4, 1984
4447761 Negative ion generator May. 8, 1984
4380717 Magnetrons Apr. 19, 1983
4359666 Cylindrical cathode with segmented electron emissive surface and method of manufacture Nov. 16, 1982
4277718 Modular electron tube with carbon grid Jul. 7, 1981
4254357 Multi-arrayed micro-patch emitter with integral control grid Mar. 3, 1981
4163172 Sliding spark source cold cathode electron gun and method Jul. 31, 1979
4091306 Area electron gun employing focused circular beams May. 23, 1978
4031425 Dispenser cathode for a grid-controlled electron tube and method of manufacturing same Jun. 21, 1977
4020381 Cathode structure for a multibeam cathode ray tube Apr. 26, 1977
4011481 Modular electron discharge device Mar. 8, 1977
3967150 Grid controlled electron source and method of making same Jun. 29, 1976



 
 
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