US Patent 7307383 Electron emitter and method of producing the same
Patent 7307383 was granted and assigned to NGK Insulators on December, 2007 by the United States Patent and Trademark Office.
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Patent abstract
An electron emitter includes an emitter section having a plate shape, a cathode electrode formed on a front surface of the emitter section, and an anode electrode formed on a back surface of the emitter section. A gap is formed between an outer peripheral portion of the cathode electrode and the front surface of the emitter section. The front surface of the emitter section contacts a lower surface of the outer peripheral portion to form a base end as a triple junction. The gap expands from the base end toward a tip end of the outer peripheral portion.
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US Patent 07307383 Electron emitter and method of producing the same US Patent 7307383 Electron emitter and method of producing the same
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Patent Number
0730738300
Patent Number
730738300
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
073073830
Date of Patent
December 11, 2007
0Patent Application Number
109525240
Date Filed
September 28, 2004
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073073830
Date of Patent
December 11, 2007
0Patent Application Number
109525240
Date Filed
September 28, 2004
0Official Website
Patent Primary Examiner
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US Patent 07307383 Electron emitter and method of producing the same
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07307383
Date of patent
December 11, 2007
Patent application number
10952524
Date Filed
September 28, 2004
Patent primary examiner
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