Vacuum actuated test fixture

Details Vacuum actuated test fixture Vacuum actuated test fixture

1986-11-20

1988-09-13

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

G01R 104

Patent

active

047712341

ABSTRACT:
A fixture is disclosed for connecting circuit cards having electronic components to a board test system. The fixture is vacuum actuated. The test fixture comprises a fixture base and a support assembly. The fixture base comprises a board test system interface, supports, probe plate and electrical connections. The probe plate contains an integral vacuum chamber with molded supports. The support assembly comprises a first seal, a support plate, a second seal, and a third seal. The circuit card is positioned by two tooling pins located in the probe assembly. The card is electrically connected to the test system through a probe, connecting wire, and a scanner pin. Two new seals are disclosed.

REFERENCES:
patent: 4322682 (1982-03-01), Schadwill
patent: 4352061 (1982-09-01), Matrone
patent: 4538104 (1985-08-01), Douglas et al.
patent: 4573009 (1986-02-01), Fowler et al.
patent: 4626776 (1986-12-01), Wilkinson

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