Method of making membrane contact switch

Details Method of making membrane contact switch Method of making membrane contact switch

1981-06-01

1982-12-28

Husar, Francis S.

Metal working

Method of mechanical manufacture

Electrical device making

200 5A, 200159B, 200292, H01H 1100

Patent

active

043654088

ABSTRACT:
A contact switch assembly and method for its manufacture utilizing a resilient dome having electrically conductive surfaces which is positioned on a unitary sheet of plastic or membrane which has a circuit pattern deposited thereon, the circuit pattern forming the contact and contactor means of the switch. In assembly, said membrane is folded upon itself so that the contact and contactor are positioned in a spaced-apart alignment, separated by the resilient dome, whereby upon depression of said dome, electrical contact is established between the contact and contactor through the electrically conductive surfaces of the dome.

REFERENCES:
patent: 4033030 (1977-07-01), Robinson et al.
patent: 4066851 (1978-01-01), White et al.

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