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:
Jan. 27, 2009
Filed:
May. 26, 2006
Sumio Uehara, Nagano, JP;
Syuzo Aoki, Nagano, JP;
Sumio Uehara, Nagano, JP;
Syuzo Aoki, Nagano, JP;
Shinko Electric Industries Co., Ltd., Nagano-shi, JP;
Abstract
In a semiconductor modulein which a semiconductor deviceis mounted on both surfaces of a circuit boardand heat radiation platesare provided to both surfaces of the circuit board to cover the semiconductor device, a fitting hole via which the heat radiation platesare fitted is formed in the circuit board, and a housing recess portionin which the semiconductor devicesare housed is provided to both heat radiation platesfitted to both surfaces of the circuit boardrespectively and a fitting edge portionis provided in a position of both heat radiation plates that overlaps with a position in which the fitting hole is formed, and also a fixing meansfor fixing both heat radiation platesto the circuit boardby caulking to align with the fitting hole is provided to fitting edge portionsintegrally with the heat radiation plates