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:
May. 16, 2017

Filed:

Oct. 29, 2014
Applicant:

Alpha & Omega Semiconductor, Incorporated, Sunnyvale, CA (US);

Inventors:

Xiaotian Zhang, San Jose, CA (US);

Jun Lu, San Jose, CA (US);

Kai Lu, Mountain View, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/495 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 24/83 (2013.01); H01L 23/49541 (2013.01); H01L 24/27 (2013.01); H01L 24/29 (2013.01); H01L 24/40 (2013.01); H01L 24/73 (2013.01); H01L 24/84 (2013.01); H01L 24/92 (2013.01); H01L 23/4952 (2013.01); H01L 23/49513 (2013.01); H01L 23/49524 (2013.01); H01L 24/32 (2013.01); H01L 24/48 (2013.01); H01L 24/49 (2013.01); H01L 24/85 (2013.01); H01L 2224/2732 (2013.01); H01L 2224/27848 (2013.01); H01L 2224/293 (2013.01); H01L 2224/29012 (2013.01); H01L 2224/29013 (2013.01); H01L 2224/29015 (2013.01); H01L 2224/2919 (2013.01); H01L 2224/29294 (2013.01); H01L 2224/32013 (2013.01); H01L 2224/32014 (2013.01); H01L 2224/32055 (2013.01); H01L 2224/32245 (2013.01); H01L 2224/40499 (2013.01); H01L 2224/45144 (2013.01); H01L 2224/48106 (2013.01); H01L 2224/48108 (2013.01); H01L 2224/48247 (2013.01); H01L 2224/49175 (2013.01); H01L 2224/73263 (2013.01); H01L 2224/73265 (2013.01); H01L 2224/83048 (2013.01); H01L 2224/83192 (2013.01); H01L 2224/83193 (2013.01); H01L 2224/83203 (2013.01); H01L 2224/83856 (2013.01); H01L 2224/83862 (2013.01); H01L 2224/84203 (2013.01); H01L 2224/84862 (2013.01); H01L 2224/92246 (2013.01); H01L 2224/92247 (2013.01); H01L 2924/00014 (2013.01); H01L 2924/0665 (2013.01); H01L 2924/13091 (2013.01); H01L 2924/14 (2013.01); H01L 2924/181 (2013.01);
Abstract

This invention discloses a semiconductor package with adhesive material pre-printed on the lead frame and chip, and the manufacturing method. The adhesive material is applied onto the chip carrier and the pin of the lead frame and also on the front electrode of the semiconductor chip via pre-printing. The back of the semiconductor chip is adhered on the chip carrier, and the front electrode of the semiconductor chip and the pin are connected respectively with a metal connector. The size, shape and thickness of the adhesive material are applied according to different application requirements according to size and shapes of the contact zone of the semiconductor chip and the metal connector. Particularly, the adhesive zones are formed by pre-printing the adhesive material thus significantly enhance the quality and performance of semiconductor products, and improves the productivity.


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