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:
Dec. 25, 2018
Filed:
Jun. 23, 2017
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Dae Hwan Chun, Gwangmyeong-si, KR;
NackYong Joo, Hanam-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Abstract
A semiconductor device may include an n− type layer disposed at a first surface of an n+ type silicon carbide substrate; a p− type region, a p type region, an n+ type region, and a p+ type region disposed at an upper portion in the n− type layer; a gate electrode and a source electrode disposed on the n− type layer and insulated from each other; and a drain electrode disposed at a second surface of the n+ type silicon carbide substrate, wherein the source electrode is in contact with the p− type region, the n+ type region, and the p+ type region, and the source electrode may include an ohmic junction region disposed at a contact portion of the source electrode and the n+ type region and the contact portion of the source region and the p+ type region and a Schottky junction region disposed at the contact portion of the source electrode and the p− type region.