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:
Sep. 01, 2015

Filed:

Dec. 06, 2011
Applicants:

Chenglin Liu, San Jose, CA (US);

Huahung Kao, San Jose, CA (US);

Shiann-ming Liou, Campbell, CA (US);

Inventors:

Chenglin Liu, San Jose, CA (US);

Huahung Kao, San Jose, CA (US);

Shiann-Ming Liou, Campbell, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 21/44 (2006.01); H01L 23/48 (2006.01); H01L 23/495 (2006.01); H01L 23/31 (2006.01);
U.S. Cl.
CPC ...
H01L 23/48 (2013.01); H01L 23/495 (2013.01); H01L 23/31 (2013.01);
Abstract

Embodiments provide a method of fabricating a semiconductor package, the method comprising forming a leadframe, wherein the leadframe includes an inner lead, and wherein a bottom surface of the inner lead comprises a first section and a second section; depositing an oxidation resistant material on the first section of the bottom surface of the inner lead; and forming an oxidation layer on the second section of the bottom surface of the inner lead, wherein the oxidation resistant material deposited on the first section of the bottom surface of the inner lead prevents the oxidation layer from forming on the first section of the bottom surface of the inner lead.


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