The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 20, 2002
Filed:
Dec. 21, 2000
Shuji Matsumoto, Omihachiman, JP;
Abstract
A conductive paste which can form a thick film conductor containing no lead, being able to be fired at a middle temperature, superior in conductivity, and having sufficient adhesive strength to a substrate, and a printed wiring board formed using the conductive paste are provided. The conductive paste contains a Cu containing powder; a glass frit; and an organic vehicle, wherein the glass has a composition represented by xBi O —yB O —zSiO , where x, y, and z are indicated in mole %, and a composition ratio (x, y, z) within the range surrounded by point A ( ), point B ( ), point C ( ) and point D ( ) in a ternary compositional diagram, and a mean particle diameter of about 0.1 to 1.0 &mgr;m.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile