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:
Apr. 05, 2016

Filed:

Apr. 25, 2014
Applicant:

SK Hynix Inc., Icheon-si, KR;

Inventors:

Jong Woo Yoo, Seoul, KR;

Qwan Ho Chung, Seoul, KR;

Assignee:

SK HYNIX INC., Icheon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/00 (2006.01); H05K 1/11 (2006.01); H01L 23/31 (2006.01); H01L 23/498 (2006.01); H05K 3/40 (2006.01);
U.S. Cl.
CPC ...
H01L 24/81 (2013.01); H01L 23/49827 (2013.01); H05K 1/113 (2013.01); H01L 23/3128 (2013.01); H01L 23/49816 (2013.01); H01L 24/05 (2013.01); H01L 24/16 (2013.01); H01L 24/32 (2013.01); H01L 24/48 (2013.01); H01L 24/85 (2013.01); H01L 2224/0401 (2013.01); H01L 2224/05624 (2013.01); H01L 2224/05647 (2013.01); H01L 2224/16237 (2013.01); H01L 2224/32225 (2013.01); H01L 2224/48225 (2013.01); H01L 2224/81191 (2013.01); H01L 2224/81447 (2013.01); H01L 2224/85181 (2013.01); H01L 2224/85447 (2013.01); H01L 2924/00014 (2013.01); H01L 2924/12042 (2013.01); H01L 2924/1304 (2013.01); H01L 2924/14 (2013.01); H01L 2924/181 (2013.01); H05K 3/4007 (2013.01); H05K 2201/09663 (2013.01); H05K 2203/1178 (2013.01);
Abstract

A package substrate includes a core layer having a first surface and a second surface which are opposite to each other, a ball land pad disposed on the first surface of the core layer, an opening that penetrates the core layer to expose the ball land pad, and a dummy ball land disposed on the second surface of the core layer to surround the opening. The dummy ball land includes at least one sub-pattern and at least one vent hole. Related semiconductor packages and related methods are also provided.


Find Patent Forward Citations

Yoo, Jong. (2016). Substrates having ball lands, semiconductor packages including the same, and methods of fabricating semiconductor packages including the same (U.S. Patent No. 9305895). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9305895

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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