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. 03, 2009
Filed:
Sep. 13, 2006
Applicants:
Rafil A. Basheer, Rochester Hills, MI (US);
Derek B. Workman, Noblesville, IN (US);
Mohamed Bouguettaya, Sterling Heights, MI (US);
Inventors:
Rafil A. Basheer, Rochester Hills, MI (US);
Derek B. Workman, Noblesville, IN (US);
Mohamed Bouguettaya, Sterling Heights, MI (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A themosettable material having excellent processability, and which cures to form a thermoset composition having a low coefficient of thermal expansion and a high glass transition temperature includes functionalized nanoscopic silica particles dispersed in a curable resin comprising a polyepoxide having at least three epoxide groups per molecule. The composition is useful as an underfill for flip-chip circuit assemblies.