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:
May. 17, 2022
Filed:
Dec. 27, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
Hiroaki Ichinohe, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A semiconductor device, including: a heat sink which has a mounting surface, a heat radiation surface, a side surface and an engagement part, a semiconductor chip which is mounted on the mounting surface of the heat sink, a lead frame which is engaged with the engagement part of the heat sink, and a mold resin which seals the heat sink, the semiconductor chip and the lead frame, wherein the engagement part of the heat sink is disposed at a place which avoids the mounting surface of the heat sink. The engagement part of the heat sink is a dowel formed in the heat radiation surface of the heat sink. Further, the engagement part of the heat sink is a dowel formed in the side surface of the heat sink.