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. 25, 2017
Filed:
Oct. 20, 2014
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Jun Chung Hsu, Taoyuan, TW;
Jie-Hua Zhao, Cupertino, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01); H01L 23/00 (2006.01); H01L 23/498 (2006.01); H01L 23/31 (2006.01);
U.S. Cl.
CPC ...
H01L 23/562 (2013.01); H01L 23/3128 (2013.01); H01L 23/49822 (2013.01); H01L 23/49838 (2013.01); H01L 23/49866 (2013.01); H01L 2224/16225 (2013.01); H01L 2924/15311 (2013.01); H01L 2924/18161 (2013.01);
Abstract
A methodology for addressing package warpage is described. In an embodiment a package includes a die mounted on a wiring board. Portion of a metal plane within the wiring board includes a reduced portion, characterized by a reduced thickness that is less than a baseline thickness.