Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1994-05-24
1996-07-09
Cuda, Irene
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
164 98, 174 163, 165 803, B23P 1526
Patent
active
055332579
ABSTRACT:
A heat dissipation apparatus having a base structure (11) and fins (29, 43) and a method for making the heat dissipation apparatus. The base structure (11) is formed as a molded porous preform structure having a top surface (12), a bottom surface (13), and grooves (14) in the bottom surface (13). A layer of dielectric material (17) is placed on the top surface (12) and the porous base structure is infiltrated with a conductive material, thereby bonding the layer of dielectric material (17) to the base structure (11). The grooves (14) are coated with a conductive epoxy and the fins (29) are inserted into the grooves (14) to form a heat dissipation apparatus (30). Alternatively, the fins (43) are formed when the porous base structure is infiltrated with the conductive material, thereby forming a unitary heat dissipation apparatus (44).
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Martinez, Jr. Joe L.
Romero Guillermo L.
Cuda Irene
Dover Rennie William
Motorola Inc.
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