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 8174117 B1

PDF
Full Text
Expired
Date of Patent:
May. 08, 2012

Filed:

Sep. 24, 2008
Applicant:

Kiminori Ishido, Kanagawa, JP;

Inventor:

Kiminori Ishido, Kanagawa, JP;

Assignee:

Renesas Electronics Corporation, Kawasaki-shi, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a semiconductor device having a substrate, a semiconductor chip flip-chip mounted on the substrate, and a stacked film provided in a gap between the substrate and the semiconductor chip. The stacked film is composed of a protective film covering the surface of the substrate, and an underfill film formed between the solder resist film and the semiconductor chip. The protective film is roughened on the contact surface brought into contacting said underfill film.


Find Patent Forward Citations

Ishido, Kiminori. (2012). Semiconductor device and method of manufacturing the same (U.S. Patent No. 8174117). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8174117

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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