Electricity: conductors and insulators – With fluids or vacuum – With cooling or fluid feeding – circulating or distributing
Patent
1984-02-06
1986-03-04
Grimley, A. T.
Electricity: conductors and insulators
With fluids or vacuum
With cooling or fluid feeding, circulating or distributing
357 81, 361388, H01L 2340
Patent
active
045741620
ABSTRACT:
The compact circuit package (11) includes an insulating housing (12) providing a circuit retaining cavity (19) substantially surrounded by a pair of spaced side walls (15, 16) each terminating at a first rim (21, 22) and a second pair of spaced side walls (17, 18) each terminating at a second rim (24, 25). Each of the side walls provides an abutment (28, 31, 34) which limits the depth of entry of a electrically insulating, heat conducting substrate (30) into the cavity (19). Outer portions (44, 45) of a first pair of side walls rims (21, 22) are removed such as by a sander (46) to form a clamping surface (48) which includes an outer surface (42) of substrate (30) and reduced end portions (49, 50) of the pair of the side wall rims (21, 22) to permit increased substantial clamping pressures to a substantially planar external heat dissipating object (51) without damaging the substrate (30) and the side walls (15, 16, 17 18).
REFERENCES:
patent: 4218724 (1980-08-01), Kaufman
patent: 4272644 (1981-06-01), Visser et al.
patent: 4361720 (1982-11-01), Resneau et al.
Grimley A. T.
Tone D. A.
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