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:
Dec. 30, 2014
Filed:
Mar. 18, 2013
Applicant:
SK Hynix Inc., Icheon-si Gyeonggi-do, KR;
Inventors:
Taek Joong Kim, Seoul, KR;
Yong Su Han, Icheon-si, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 24/11 (2013.01); H01L 24/13 (2013.01);
Abstract
The bump structure includes a metal pattern disposed on an electrode pad to have a vertical sidewall and a recessed region surrounded by the vertical sidewalls, a metal post including a lower portion inserted into the recessed region and a protruded portion upwardly extending from the lower portion, and a passivation spacer on a sidewall of the metal post. The metal post is electrically connected to the electrode pad.