Piezoelectric-enhanced circuit connection means

Details Piezoelectric-enhanced circuit connection means Piezoelectric-enhanced circuit connection means

1984-04-09

1985-06-25

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310311, 310330, 339 17R, 339126RS, 200251, H01L 4108

Patent

active

045256446

ABSTRACT:
Materials exhibiting electrostrictive characteristics, such as piezoelectric materials, are used to selectively increase the mechanical engagement forces between two electrical connections for improving the integrity and reliability of their interconnection. In one illustrative embodiment, a piezoelectric layer is located beneath each connection pad of a printed circuit board and separated therefrom by a layer of dielectric material. The respective piezoelectric layers are commonly connected to a source of voltage for selectively increasing their geometric dimension thereby also increasing the force of engagement between the connection pads and a suitable connector.

REFERENCES:
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patent: 3861030 (1975-01-01), Otte et al.
patent: 4219755 (1980-08-01), O'Neill
patent: 4454442 (1984-06-01), Hosking

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