Title:
HEAT SINK AND HEAT SINK PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/239451
Kind Code:
A1
Abstract:
This invention is characterized in that: slits comprise a plurality of first slits (21) arranged rectilinearly on a substrate (2), and a plurality of second slits (22) formed rectilinearly and intersecting with the first slits (21) on the substrate (2); a pin fin (3) has a pin fin lower part (10) that rises continuously from the substrate (2), and a pin fin upper part (11) that extends continuously from the pin fin lower part (10); and a groove width (W2) that is of the first slits (21) and the second slits (22) and that corresponds to the pin fin upper parts (11) is greater than a groove width (W1) that is of the first slits (21) and the second slits (22) and that corresponds to the pin fin lower parts (10).
Inventors:
NAKAMURA TAKUMI (JP)
KUWAHARA KAZUHIRO (JP)
TAKAGI YASUSHI (JP)
IISAKA HITOSHI (JP)
KUWAHARA KAZUHIRO (JP)
TAKAGI YASUSHI (JP)
IISAKA HITOSHI (JP)
Application Number:
PCT/JP2022/011240
Publication Date:
November 17, 2022
Filing Date:
March 14, 2022
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
H01L23/36; H05K7/20
Foreign References:
| JP2017017178A | 2017-01-19 | |||
| JPH11354694A | 1999-12-24 | |||
| JP2006344968A | 2006-12-21 | |||
| JP2020001051A | 2020-01-09 | |||
| JPH05129485A | 1993-05-25 | |||
| JP2013254772A | 2013-12-19 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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