HEAT SINK AND MANUFACTURING METHOD OF THE SAME
PROBLEM TO BE SOLVED: To provide a heat sink which securely joins a spreader, which is a solid member, to multiple fins, which are porous members, with a simple structure.SOLUTION: A heat sink comprises: a spreader 10 that is a solid member; multiple fins 20 which have porous parts 21a, 22a and seal...
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Main Authors | , , , , , |
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Format | Patent |
Language | English |
Published |
04.09.2014
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide a heat sink which securely joins a spreader, which is a solid member, to multiple fins, which are porous members, with a simple structure.SOLUTION: A heat sink comprises: a spreader 10 that is a solid member; multiple fins 20 which have porous parts 21a, 22a and seal processing parts 21b, 22b where seal processing is performed to the porous parts 21a, 22a and are joined to the spreader 10 at the seal processing parts 21b, 22b; and a joint region W between the spreader 10 and the seal processing parts 21b, 22b, the joint region W being formed by agitating a material that forms the seal processing parts 21b, 22b while pressing the material by a friction agitation joint tool 30. |
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Bibliography: | Application Number: JP20130030199 |