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:
Jun. 11, 1996
Filed:
Jun. 06, 1995
Lawrence D David, Wappingers Falls, NY (US);
Shaji Farooq, Hopewell Junction, NY (US);
Anthony Mastreani, Hopewell Junction, NY (US);
Srinivasa S-N Reddy, LaGrangeville, NY (US);
Rao V Vallabhaneni, Wappingers Falls, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A copper-based paste for multilayer ceramic substrate vias and lines including copper particles as the majority constituent of the paste, a refractory metal additive selected from the group consisting of chromium, tantalum, and tungsten, and organic materials. This copper-based paste has particular applicability to the formation of vias and lines in ceramic packages wherein the vias and lines would have a composition principally of copper with additions of the refractory metal.