Electricity: conductors and insulators – With fluids or vacuum – With cooling or fluid feeding – circulating or distributing
Patent
1977-09-19
1983-07-19
Grimley, A. T.
Electricity: conductors and insulators
With fluids or vacuum
With cooling or fluid feeding, circulating or distributing
29843, 357 81, 361388, H01L 2336
Patent
active
043945309
ABSTRACT:
A insulating housing has a recess in which a ceramic substrate is inserted for the first side of the substrate to be inside of the recess and the second side to be exposed and to extend outwardly from the recess slightly beyond the bottom surface of the housing. Clamping the housing against a heat sink compresses the second side of the substrate against the heat sink to enhance heat transfer by reason of the number of junctions or interfaces being minimized. Electric circuit means are disposed on the first side of the substrate and at least one heat generating electric component is in the circuit. A new method and means for connecting leads to the lead frame which is adhered to the substrate is disclosed.
REFERENCES:
patent: 3377524 (1968-04-01), Bock et al.
patent: 3801728 (1974-04-01), Gallo et al.
patent: 3825767 (1974-07-01), Shields
patent: 3958075 (1976-05-01), Kaufman
patent: 4038678 (1977-07-01), Gottbreht et al.
patent: 4069497 (1978-01-01), Steidlitz
patent: 4092697 (1978-05-01), Spaight
Grimley A. T.
Tone D. A.
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