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:
Apr. 16, 2013
Filed:
Jan. 18, 2005
Tomoya Kamezawa, Narashino, JP;
Naoki Takata, Narashino, JP;
Masayuki Hirota, Narashino, JP;
Masahiro Hiraga, Yotsukaidou, JP;
Satoshi Ibori, Yachimata, JP;
Tomoya Kamezawa, Narashino, JP;
Naoki Takata, Narashino, JP;
Masayuki Hirota, Narashino, JP;
Masahiro Hiraga, Yotsukaidou, JP;
Satoshi Ibori, Yachimata, JP;
Hitachi Industrial Equipment Systems Co., Ltd., Chiba, JP;
Abstract
A temperature detection method for a semiconductor device and a power conversion apparatus are disclosed. A temperature detection device is used to detect the temperature for thermal protection of a power semiconductor device. The temperature detection device is placed in the proximity of a component having the power semiconductor device packaged therein, and either an emitter terminal or a collector terminal of the power semiconductor device. Since the temperature detection device is mounted on a circuit board, it does not require insulation from a cooling fin on which the power semiconductor device is mounted and lead wires can be eliminated.