Title:
HEAT SPREADING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/107479
Kind Code:
A1
Abstract:
A vapor chamber 1, which is an embodiment of a heat spreading device, comprises a housing 10, a working medium 20, and a wick 30. The wick 30 includes a first porous body 41 and a second porous body 42 which support a first inner wall surface 11a and a second inner wall surface 12a of the housing 10 from inside. The first porous body 41 extends along a direction perpendicular to a thickness direction Z, and is split via a first split region R1 in the extending direction. The second porous body 42 is disposed with a gap from the first porous body 41 so as to be fitted in the first split region R1.
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Inventors:
KOJIMA KEIJIRO (JP)
Application Number:
PCT/JP2021/037157
Publication Date:
May 27, 2022
Filing Date:
October 07, 2021
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01L23/427; F28D15/02; F28D15/04
Foreign References:
| CN2762508Y | 2006-03-01 | |||
| JP2017187126A | 2017-10-12 | |||
| JP2015088882A | 2015-05-07 | |||
| US20120111541A1 | 2012-05-10 | |||
| US20120305222A1 | 2012-12-06 |
Attorney, Agent or Firm:
YASUTOMI & ASSOCIATES (JP)
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