Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Attila Antalfy0
Gary D. Schnittgrund0
Guangqiang Jiang0
Date of Patent
March 8, 2011
0Patent Application Number
116947740
Date Filed
March 30, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention is a hermetic via in a ceramic substrate that is comprised of noble metal powder in a glass-free paste that contains an admixture of a particulate phase of niobium pentoxide. The electrically conductive platinum provides excellent electrical conductivity while the niobium pentoxide phase prevents shrinkage of the paste during thermal processing and binds to both the ceramic and the noble metal particulates in the via, thus maintaining a hermetic seal around the via.
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