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:
Aug. 04, 2026
Filed:
Jun. 14, 2023
Kioxia Corporation, Tokyo, JP;
Akira Nakajima, Yokkaichi Mie, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
In a semiconductor device according to an embodiment, a first connection wiring layer and a second connection wiring layer are bonded such that a first surface and a second surface face each other and a first electrode and a second electrode are in contact with each other, wherein the first electrode includes a first barrier metal film provided in a first trench and containing Ti, and a first conductive film provided in the first trench via the first barrier metal film and containing polycrystalline Cu, the second electrode includes a second barrier metal film provided in a second trench and containing Ti, and a second conductive film provided in the second trench via the second barrier metal film and containing polycrystalline Cu, and Ti and O are present on a bonding surface between the first electrode and the second electrode.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile