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. 11, 2021
Filed:
Apr. 08, 2020
Mitsubishi Electric Corporation, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
The semiconductor device includes: a fourth impurity layer disposed in a state of being connected to the outermost peripheral second impurity layer and being separated from the first impurity layer between the outermost peripheral second impurity layer and the first impurity layer of the terminal portion, the fourth impurity layer having a second conductivity type and having an impurity concentration lower than an impurity concentration of the second impurity layer; an insulating film disposed on at least a part of the terminal portion, the insulating film having a first opening on the first impurity layer; and an electrode disposed on the insulating film, the electrode connected to the first impurity layer via the first opening.