Pressure-sensitive adhesive and application thereof

Details Pressure-sensitive adhesive and application thereof Pressure-sensitive adhesive and application thereof

1981-08-24

1984-02-21

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 5A, 200292, H01H 312

Patent

active

044332238

ABSTRACT:
A conductive adhesive for use in membrane switch and printed circuit technologies consists essentially of a resin modified copolymer of butadiene and styrene and a conductive element. The conductive element is preferably a material such as acetylene black and is more than two percent and less than 40 percent by weight of the adhesive. The conductive adhesive may be used to secure the membrane and substrate of a membrane-type switch thereby providing a conductive path between the membrane and substrate. The adhesive may also be used to attach a membrane switch tail to an associated printed circuit board or the like, again with the conductive properties of the adhesive providing a current path as well as the conventional adhesion between the two parts.

REFERENCES:
patent: 3281624 (1963-07-01), Patchen
patent: 3475213 (1969-10-01), Stow
patent: 3988551 (1976-10-01), Larson
patent: 4113981 (1978-09-01), Fujita et al.
patent: 4157319 (1979-06-01), Feeney et al.
patent: 4158115 (1979-06-01), Parkinson et al.
patent: 4180711 (1979-12-01), Hirata et al.

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