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.:
Date of Patent:
Nov. 19, 2013
Filed:
Nov. 02, 2011
Masahiro Yonemochi, Nagano, JP;
Masahiro Yonemochi, Nagano, JP;
Shinko Electric Industries Co., Ltd., Nagano-Shi, JP;
Abstract
According to one aspect of the present invention, there is provided a heat spreader to be mounted on an IC package, the IC package including: a circuit board; an IC chip mounted on one surface of the circuit board; and a plurality of connection terminals formed on the other surface of the circuit board, the heat spreader including: a top wall formed into a rectangular shape; a circumferential wall formed continuously from the top wall, the circumferential wall and the top wall defining a block-like cavity for enclosing the IC chip when the heat spreader is mounted on the IC package; and ear portions formed at lengthwise central portions of a facing pair of side walls of the circumferential wall so to extend outwardly from bottom edges of the facing pair of side walls, respectively.