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.

Date of Patent:
Mar. 15, 2016

Filed:

Sep. 25, 2012
Applicant:

Intel Corporation, Santa Clara, CA (US);

Inventors:

Rajen S. Sidhu, Chandler, AZ (US);

Martha A. Dudek, Chandler, AZ (US);

Wei Tan, Chandler, AZ (US);

Assignee:

INTEL CORPORATION, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/36 (2006.01); B23K 35/02 (2006.01); H01L 21/48 (2006.01); B23K 35/362 (2006.01); H01L 23/498 (2006.01);
U.S. Cl.
CPC ...
B23K 35/362 (2013.01); B23K 35/0244 (2013.01); B23K 35/3612 (2013.01); H01L 21/4853 (2013.01); H01L 23/49816 (2013.01); H01L 2224/16225 (2013.01);
Abstract

Embodiments of the present disclosure are directed towards flux materials for heated solder placement and associated techniques and configurations. In one embodiment, a method includes depositing a flux material on one or more pads of a package substrate, the flux material including a rosin material and a thixotropic agent and depositing one or more solder balls on the flux material disposed on the one or more pads, wherein depositing the one or more solder balls on the flux material is performed at a temperature greater than 80° C., and wherein the rosin material and the thixotropic agent are configured to resist softening at the temperature greater than 80° C. Other embodiments may be described and/or claimed.


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