| 摘要 |
Disclosed herein is a heat sink including: a pipe for refrigerant movement including a first path, a third path having a cross-sectional area smaller than that of the first path in a thickness direction, and a second path connecting between the first and third paths and having a cross-sectional area in the thickness direction reduced from the first path toward the third path; and a case enclosing the pipe for refrigerant movement.
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