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:
May. 19, 2026
Filed:
Jun. 25, 2021
Furukawa Electric Co., Ltd., Tokyo, JP;
Kengo Tanaka, Tokyo, JP;
FURUKAWA ELECTRIC CO., LTD., Tokyo, JP;
Abstract
A vapor chamber has a working fluid in an internal space formed between a first metal sheet and a second metal sheet, in which the first metal sheet includes a recessed channel and at least one projecting part. The recessed channel is provided at an inner surface of the first metal sheet; the projecting part projects from the inner surface of the first metal sheet toward the second metal sheet, and a top face of the projecting part abuts the second metal sheet. The vapor chamber includes at least one top face joining part and gap flow channel part, the top face joining part joins part of the top face of the projecting part and the second metal sheet, and the top face and the second metal sheet are separated at the gap flow channel part.