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:
Mar. 16, 2010
Filed:
Nov. 09, 2007
Applicants:
Michael A. Zimmerman, North Andover, MA (US);
Jonathan Harris, Scottsdale, AZ (US);
Inventors:
Michael A. Zimmerman, North Andover, MA (US);
Jonathan Harris, Scottsdale, AZ (US);
Assignee:
Interplex QLP, Inc., College Point, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/12 (2006.01); H01L 23/48 (2006.01); H01L 23/52 (2006.01); H01L 29/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A microcircuit package having a ductile layer between a copper flange and die attach. The ductile layer absorbs the stress between the flange and semiconductor device mounted on the flange, and can substantially reduce the stress applied to the semiconductor device. In addition, the package provides the combination of copper flange and polymeric dielectric with a TCE close to copper, which results in a low stress structure of improved reliability and conductivity.