Screen-printable paste for manufacturing electrically conductive

Details Screen-printable paste for manufacturing electrically conductive Screen-printable paste for manufacturing electrically conductive

1989-03-07

1991-04-30

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Free metal containing

252514, 523457, 523458, 523459, H01B 106

Patent

active

050116274

ABSTRACT:
Membrane keyboards are manufactured using screen-printable, electrically conductive pastes consisting of 40 to 75% by weight of metal powder (silver, aluminum, copper and their mixtures), 5 to 55% by weight of an organic solvent and 5-20% by weight of and synthetic resin based on a thermoplastic epoxy or phenoxy resin with an average molecular weight of 10,000 to 250,000 and an epoxide content of 0 to 1.

REFERENCES:
patent: 4410457 (1983-10-01), Fujimura et al.
patent: 4479890 (1984-10-01), Prabhu et al.

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