Electrically conductive pastes

Details Electrically conductive pastes Electrically conductive pastes

1984-08-09

1985-11-12

Barr, Josephine L.

Compositions

Electrically conductive or emissive compositions

Free metal containing

252512, 106 118, 106 119, 106 121, H01B 106

Patent

active

045526915

ABSTRACT:
An electrically conductive paste is disclosed, which comprises (i) 60 to 90 wt % of metal fine powders comprising a silver fine powder, a composite fine powder of silver and copper and optionally either, a composite fine powder of silver and platinum or a platinum fine powder, or a composite fine powder of silver and palladium or a palladium fine powder, the copper content in the metal fine powders is 0.1 to 10 wt %, the platinum content, if present, is 0.2-10 wt % and the palladium content, if present, is 0.2-30 wt %, and (ii) 10 to 40 wt % of a vehicle component, such as terpineol, butylcarbitol, ethyl cellulose etc. The product can resist thermal shocks and has strong bonding strength having remarkably improved heat deterioration characteristics.

REFERENCES:
patent: 3799891 (1974-03-01), Smith
patent: 3846345 (1974-11-01), Mason et al.
patent: 3918980 (1975-11-01), Smith et al.
patent: 3929491 (1975-12-01), Smith et al.
patent: 4400214 (1983-08-01), Ogawa et al.
patent: 4414143 (1983-11-01), Felten
patent: 4466830 (1984-08-01), Rellick

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