Electrical connectors – Preformed panel circuit arrangement – e.g. – pcb – icm – dip,... – With provision to conduct electricity from panel circuit to...
Patent
1991-01-09
1992-03-03
Abrams, Neil
Electrical connectors
Preformed panel circuit arrangement, e.g., pcb, icm, dip,...
With provision to conduct electricity from panel circuit to...
324158F, 439378, 439482, H01R 909
Patent
active
050927744
ABSTRACT:
An electrical connector (10) provides a mechanical coupling and an electrical interface between circuit boards (12,14). An elastomeric electrical conductor (20) provides compressible electrical connector paths between first and second sets of electrical contact pads (28,15) coupled to the respective circuit boards. A compression mounting assembly (22) aligns and retains the elastomeric electrical conductor (20) between the sets of electrical contact pads. The elastomeric electrical conductor (20) affords relatively high frequency signal conducting paths with substantially constant impedance for example for passing test signals and pin signals without distortion between circuit boards in the test head of an IC device tester. A mechanical spring system (64,65) spring loads the compression mounting assembly (22) and provides a relatively high mechanical compliance coupling between circuit boards (12,14) to accommodate relative change of position of the boards due to misalignment or board warpage. The electrical connector (10) is used for example between the pin electronics cards (12) and the IC device under test loadboard (14) in the test head of IC device testers for testing high speed ECL devices.
REFERENCES:
patent: 4692790 (1987-09-01), Oyamada
patent: 4721908 (1988-01-01), Driller et al.
patent: 4769591 (1988-09-01), Binet et al.
patent: 4833402 (1989-05-01), Boegh-Petersen
patent: 4870356 (1989-09-01), Tingley
Abrams Neil
Kane Daniel H.
National Semiconductor Corporation
Rose James W.
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