US Patent 7888654 Cold field emitter
Patent 7888654 was granted and assigned to FEI Company on February, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A stable cold field electron emitter is produced by forming a coating on an emitter base material. The coating protects the emitter from the adsorption of residual gases and from the impact of ions, so that the cold field emitter exhibits short term and long term stability at relatively high pressures and reasonable angular electron emission.
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Patent Inventor Names
Gregory A. Schwind0
Lynwood W. Swanson0
Theodore Carl Tessner, II0
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Patent Citations Received
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Official Website
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US Patent 07888654 Cold field emitter US Patent 7888654 Cold field emitter
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Patent Number
078886540
Patent Number
78886540
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
078886540
Date of Patent
February 15, 2011
0Patent Application Number
119009560
Date Filed
September 14, 2007
0Official Website
Patent Primary Examiner
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US Patent 07888654 Cold field emitter
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07888654
Date of patent
February 15, 2011
Patent application number
11900956
Date Filed
September 14, 2007
Patent primary examiner
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