Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 12, 2011
Patent Application Number
11727251
Date Filed
March 26, 2007
Patent Primary Examiner
Patent abstract
An electroconductive composition including a mixture of a copper powder having an averaged particle size between 0.3 and 20 μm and a copper fine powder having an averaged particle size between 1 and 50 nm; a solvent comprising a multivalent alcohol, such as ethylene glycol or diethylene glycol, having two or more OH groups; and an additive comprising a compound such as malic acid or citric acid having two or more COOH groups and one or more OH groups where the number of COOH groups is equal to or greater than the number of OH groups.
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