Heatsink and semiconductor device with heatsink
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United States of America Patent
Stats
-
Aug 14, 2012
Grant Date -
Feb 12, 2009
app pub date -
Aug 7, 2008
filing date -
Aug 10, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A heatsink carries a UV-ray light emitting diode. Flow passages for causing circulation of a fluid that cools the UV-ray light emitting diode are opened in the heatsink. Supply ports and discharge ports are opened in a mount surface of a header where supply and discharge of the fluid for cooling purpose to and from the heatsink are performed. A pair of circulation orifices corresponding to the supply port and the discharge port are opened in the contact surface that contacts the mount surface in the heatsink. Recesses are formed around the respective circulation orifices, and an annular sealing member that exhibits rubber elasticity and that is compressed between the heatsink and the header is disposed in each of the recesses.
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