Title:
VAPOR CHAMBER AND MANUFACTURING METHOD FOR VAPOR CHAMBER
Document Type and Number:
WIPO Patent Application WO/2021/246519
Kind Code:
A1
Abstract:
This vapor chamber has a working fluid in an internal space formed between a first metal sheet and a second metal sheet, wherein: the first metal sheet includes a recessed flow path, at least one protrusion, and at least one flow path groove; the recessed flow path is provided in an inner surface of the first metal sheet; the protrusion protrudes from the inner surface of the first metal sheet toward an inner surface of the second metal sheet, and has a top surface abutting on the inner surface of the second metal sheet; the flow path groove has a bottom surface groove portion, a side surface groove portion, and a top surface groove portion; the bottom surface groove portion is provided in the bottom surface of the recessed flow path; the side surface groove portion is provided in a side surface of the protrusion and connected to the bottom surface groove portion; and the top surface groove portion is provided in the top surface of the protrusion and connected to the side surface groove portion.
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Inventors:
TANAKA KENGO (JP)
Application Number:
PCT/JP2021/021371
Publication Date:
December 09, 2021
Filing Date:
June 04, 2021
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
International Classes:
H01L23/427; F28D15/02; F28D15/04
Foreign References:
| US20090040726A1 | 2009-02-12 | |||
| JP2019207076A | 2019-12-05 | |||
| JP2001091172A | 2001-04-06 | |||
| JPH11183067A | 1999-07-06 | |||
| JP2016188734A | 2016-11-04 | |||
| US20070295486A1 | 2007-12-27 | |||
| JP2017083042A | 2017-05-18 | |||
| JP2018128208A | 2018-08-16 |
Attorney, Agent or Firm:
SAITO Takuya et al. (JP)
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