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:
Nov. 18, 2025
Filed:
Jul. 07, 2022
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Makoto Mizukami, Ibo Hyogo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Toshiba Electronic Devices & Storage Corporation, Kawasaki, JP;
Abstract
The super junction structure part includes a plurality of n-type pillars having higher impurity concentrations than the second layer, a plurality of p-type pillars having higher impurity concentrations than the second layer, and a boundary region positioned between the n-type pillar and the p-type pillar in a second direction orthogonal to the first direction, the boundary region extending in the first direction continuously from the second layer, the boundary region having a lower impurity concentration than the n-type pillars and the p-type pillars.