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:
Apr. 11, 2006
Filed:
Jun. 30, 2003
Tian-an Chen, Phoenix, AZ (US);
Daoqiang LU, Chandler, AZ (US);
Tian-An Chen, Phoenix, AZ (US);
Daoqiang Lu, Chandler, AZ (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
An underfill material, such as a no flow underfill material, containing an anhydride adduct of a rosin compound is disclosed. In one aspect, the anhydride adduct of a rosin compound contains an organic rosin acid moiety and a substitute moiety for a hydroxyl group of a carboxylic acid attached at an acyl group of the organic rosin acid moiety. In another aspect, the anhydride adduct of the rosin compound contains a plurality of linked organic rosin acid moieties. Methods of using the underfill materials and packages formed by curing the underfill materials are also disclosed.