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:
Feb. 03, 2015
Filed:
Sep. 07, 2009
Applicants:
Chang Hwa Park, Seoul, KR;
Eun Jin Kim, Seoul, KR;
Jin Young Son, Seoul, KR;
Kyoung Taek Park, Seoul, KR;
IN Kuk Cho, Seoul, KR;
Inventors:
Chang Hwa Park, Seoul, KR;
Eun Jin Kim, Seoul, KR;
Jin Young Son, Seoul, KR;
Kyoung Taek Park, Seoul, KR;
In Kuk Cho, Seoul, KR;
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 23/495 (2006.01);
U.S. Cl.
CPC ...
H01L 23/49582 (2013.01); H01L 23/49548 (2013.01); H01L 2224/85439 (2013.01);
Abstract
Disclosed are a lead frame and a method for manufacturing the same. The lead frame includes a copper substrate and a rough copper layer having surface roughness of 110 nm to 300 nm on a surface of the copper substrate.