Metal treatment – Compositions – Fluxing
Patent
1989-08-24
1990-07-17
Rosenberg, Peter D.
Metal treatment
Compositions
Fluxing
148 26, B23K 3534
Patent
active
049419293
ABSTRACT:
An improved solder paste composition suitable for screen or stencil printing with a capability for low ionic contamination after soldering comprising a metal or metal alloy powder, a carrier, and stannous fluoride.
REFERENCES:
patent: 2788303 (1957-04-01), Ballard
patent: 3988175 (1976-10-01), Baker
patent: 4867800 (1989-09-01), Dishart et al.
E. I. Du Pont de Nemours and Company
Rosenberg Peter D.
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