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:
Jan. 21, 2025
Filed:
Apr. 25, 2022
Fuji Electric Co., Ltd., Kanagawa, JP;
Soichi Yoshida, Matsumoto, JP;
FUJI ELECTRIC CO., LTD., Kanagawa, JP;
Abstract
Provided is a semiconductor device, wherein a straight line extending from an end portion Ein the extending direction of a contact hole for electrically connecting an emitter electrode and a front surface of a semiconductor substrate toward a back surface of the semiconductor substrate is defined as a first perpendicular line, a straight line forming a predetermined angle θwith respect to the first perpendicular line and passing through the end portion Ein the extending direction of the contact hole is defined as a first straight line, a position where the first straight line intersects a back surface of the semiconductor substrate is defined as a position M, and the position Mis located on an outer side of a cathode region in the extending direction.