Circuit board cooling apparatus

Details Circuit board cooling apparatus Circuit board cooling apparatus

1996-05-30

1999-03-30

Tolin, Gerald

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

165908, 361719, H05K 720

Patent

active

058896511

ABSTRACT:
A supply pipe for supplying air to the peripheral surface of a circuit board container unit is provided in a test head. Nozzles are connected to the supply pipe. Each nozzle has at least one hole opposing a circuit board and corresponding to one IC on the circuit board. The circuit board has a parts mounted portion that generates a small amount of heat. The circuit board is covered with a case. A vent hole is formed on the microscope column side. A discharge pipe is connected to the vent hole and communicates with the outside of the test head. With this arrangement, each circuit board can be uniformly and efficiently cooled.

REFERENCES:
patent: 4093021 (1978-06-01), Groom
patent: 4399484 (1983-08-01), Mayer
patent: 4498118 (1985-02-01), Bell
patent: 4862075 (1989-08-01), Choi
patent: 5021924 (1991-06-01), Kieda et al.
patent: 5270572 (1993-12-01), Nakajima et al.
patent: 5428503 (1995-06-01), Matsushima
patent: 5522452 (1996-06-01), Mizuno

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