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:
Feb. 03, 2015

Filed:

Mar. 15, 2013
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;

Inventors:

Yen-Hsin Liu, New Taipei, TW;

Cing He Chen, Hsin-Chu, TW;

Kewei Zuo, Xinbei, TW;

Chien Rhone Wang, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 21/56 (2006.01); H01L 23/18 (2006.01);
U.S. Cl.
CPC ...
H01L 21/56 (2013.01); H01L 23/18 (2013.01); H01L 2224/32225 (2013.01); H01L 2924/19105 (2013.01);
Abstract

A method embodiment includes forming a packaging unit by attaching a die to a packaging substrate, applying plasma treatment to a first portion of the packaging substrate, wherein the first portion corresponds to a portion of the packaging substrate underneath the die, not applying plasma treatment to a second portion of the packaging substrate, wherein the second portion of the packaging substrate surrounds the first portion of the packaging substrate, and applying an underfill material over the first portion of the packaging substrate.


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