US Patent 7485256 Method of forming sintered valve metal material
Patent 7485256 was granted and assigned to Cabot Corporation on February, 2009 by the United States Patent and Trademark Office.
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Patent abstract
Methods of forming sintered valve metal are described. The methods involve sintering a valve metal such as tantalum or niobium in the presence of an iodine source. The method optionally includes deoxidizing the metal using the same equipment used in sintering and/or as a combined step. The sintered valve metal formed by the methods of the present invention preferably has relatively large pores and other properties desirable for making capacitors that have high capacitance and low leakage.
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US Patent 07485256 Method of forming sintered valve metal material US Patent 7485256 Method of forming sintered valve metal material
Infobox
Patent Number
0748525600
Patent Number
748525600
Edits on 29 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074852560
Date of Patent
February 3, 2009
0Patent Application Number
108287890
Date Filed
April 21, 2004
0Official Website
Patent Primary Examiner
Edits on 28 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074852560
Date of Patent
February 3, 2009
0Patent Application Number
108287890
Date Filed
April 21, 2004
0Official Website
Patent Primary Examiner
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US Patent 07485256 Method of forming sintered valve metal material
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07485256
Date of patent
February 3, 2009
Patent application number
10828789
Date Filed
April 21, 2004
Patent primary examiner
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