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.:

US 8207553 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 26, 2012

Filed:

Feb. 26, 2010
Applicants:

Charles W. C. Lin, Singapore, SG;

Chia-chung Wang, Hsinchu, TW;

Sangwhoo Lim, Johor, MY;

Inventors:

Charles W. C. Lin, Singapore, SG;

Chia-Chung Wang, Hsinchu, TW;

Sangwhoo Lim, Johor, MY;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 23/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor chip assembly includes a semiconductor device, a heat spreader, a conductive trace and an adhesive. The heat spreader includes a base. A cavity extends through the adhesive into the base. The semiconductor device extends into the cavity, is electrically connected to the conductive trace and is thermally connected to the heat spreader. The adhesive extends between the cavity and the conductive trace and between the base and the conductive trace. The conductive trace is located outside the cavity and provides signal routing between a pad and a terminal.


Find Patent Forward Citations

Lin, Charles W. C.. (2012). Semiconductor chip assembly with base heat spreader and cavity in base (U.S. Patent No. 8207553). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8207553

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