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. 19, 2016

Filed:

Feb. 11, 2015
Applicant:

Chipmos Technologies Inc., Hsinchu, TW;

Inventor:

Chi-Jin Shih, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/495 (2006.01); H01L 23/28 (2006.01); H01L 23/00 (2006.01); H01L 21/56 (2006.01);
U.S. Cl.
CPC ...
H01L 23/49503 (2013.01); H01L 21/56 (2013.01); H01L 23/28 (2013.01); H01L 23/49541 (2013.01); H01L 23/49551 (2013.01); H01L 24/83 (2013.01);
Abstract

A flat no-lead package includes an encapsulating material, and a die pad, a chip, a plurality of first contact pads and a plurality of second contact pads disposed in the encapsulating material. The encapsulating material has a package bottom surface. The die pad has a plurality of die pad extensions extending from the edges thereof. The chip is mounted on the die pad. The first contact pads are disposed near the edges of the encapsulating material and electrically coupled to the chip. The second contact pads are located between the die pad and the first contact pads and electrically coupled to the chip. Each of the second contact pads have a second contact pad extension corresponding to one of the die pad extensions respectively. The bottom surfaces of the first contact pads, the second contact pads and the second contact pad extensions are exposed on the package bottom surface.


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