Heat sink material
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United States of America Patent
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-
Aug 9, 2005
Grant Date -
May 1, 2003
app pub date -
Oct 24, 2002
filing date -
Oct 26, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mass of graphite is placed into a case, and the case is put into a furnace (step S301). The space in the furnace is heated to produce a porous sintered body of graphite (step S302). Thereafter, the case with the porous sintered body contained therein is removed from the furnace, and put into a cavity in a press (step S303). Then, a molten mass of a metal is poured into the case (step S304), and a punch is inserted into the cavity to press the molten metal into the porous sintered body in the case (step S305).
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