Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1988-01-25
1989-06-13
Envall, Jr., Roy N.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
H02B 100, H05K 720
Patent
active
048397741
ABSTRACT:
In a data processing system, the packages containing the electronic components are cooled by directing the cooling material through an array of nozzles toward the packages and components. The nozzles are fabricated in the circuit board, the flow of the coolant being the result of a difference in pressure of the coolant between the two sides of the circuit board. In the preferred embodiment, the nozzles are positioned directly below the component package. The component packages are removed from the surface of the circuit board, to which the component package is attached, to permit relatively uninhibited flow by the coolant past the component package. The nozzle arrays can be implemented to compensate for a non-uniform distribution of heat sources within a component package to provide a generally uniform temperature for the package or component. When the heat dissipation from a component package is non-uniform, a specific nozzle array configuration can be used to provide a generally uniform temperature distribution for the component package.
REFERENCES:
patent: 4399484 (1983-08-01), Mayer
patent: 4498118 (1985-02-01), Bell
Digital Equipment Corporation
Envall Jr. Roy N.
Holloway William W.
Pursel David G.
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