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:
Sep. 30, 2025
Filed:
Sep. 07, 2022
Kioxia Corporation, Tokyo, JP;
Nobuaki Okada, Kawasaki, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
According to one embodiment, a device includes a first chip including a first via in a first surface; and a second chip including a second via in a second surface and overlapping the first chip in a direction perpendicular to the first surface. The first via includes a first side along a second direction parallel to the first surface, and a second side along a third direction parallel to the first surface, the second via includes a third side along the third direction and a fourth side along the second direction, a dimension of the first side is larger than a dimension of the second side, a dimension of the third side is larger than a dimension of the fourth side. The first via is in contact with the second via so that the first side intersects the third side.