Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hisashi Tsukamoto0
Clay Kishiyama0
Douglas Alan Ruth, II0
Andrew Szyszkowski0
Date of Patent
January 23, 2007
0Patent Application Number
104300360
Date Filed
May 5, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
This invention is a sealed battery case and a method for making it, including a brazed ceramic ring that separates the positive and negative ends of the battery while providing a leak-tight seal. A brazing material is used that comprises greater than 50% gold. The case is strong, and can be negative, neutral, or positive, withstanding more than 3.5 V vs. Li/Li+.
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