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:
Mar. 16, 2010
Filed:
Nov. 07, 2007
Hideto Yoshinari, Hitachinaka, JP;
Yujiro Kaneko, Hitachinaka, JP;
Masahide Harada, Yokohama, JP;
Nobutake Tsuyuno, Tokai, JP;
Shinichi Fujiwara, Kamakura, JP;
Hideto Yoshinari, Hitachinaka, JP;
Yujiro Kaneko, Hitachinaka, JP;
Masahide Harada, Yokohama, JP;
Nobutake Tsuyuno, Tokai, JP;
Shinichi Fujiwara, Kamakura, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A power module includes a heat radiation layer having the first main surface and the second main surface of reverse side opposed to the first main surface, an insulation layer disposed on the first main surface of a radiation layer, a wiring portion of current circuit disposed on the insulation layer and a plurality of switching elements disposed on the insulation layer and electrically connected to the wiring portion of current circuit. A plurality of external terminals are electrically connected to the wiring portions of current circuit. Furthermore, the module has a resin sealing all of the insulation layer, a wiring portion for current circuit, switching elements and the first main surface of the radiation layer, and a resin sealing a portion of the second main surface of the radiation layer with the resin.