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. 05, 2014
Filed:
Jul. 30, 2012
Applicants:
Maxime Cadotte, Granby, CA;
Marie-claude Paquet, Bromont, CA;
Julien Sylvestre, Chambly, CA;
Inventors:
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2014.01); H01L 21/00 (2006.01); G01N 3/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and systems to method to determine an adhesion force of an underfill material to a chip assembled in a flip-chip module are provided. A method includes forming a flip-chip module including a chip connected to a substrate with a layer of underfill material adhered to the chip and the substrate. The method also includes forming a block from the layer of underfill material. The method further includes measuring a force required to shear the block from a surface of the flip-chip module.