Water washable soldering paste

Details Water washable soldering paste Water washable soldering paste

1989-08-04

1991-11-12

Barr, Josephine

Metal treatment

Compositions

148 23, 148 24, B23K 3522

Patent

active

050644807

ABSTRACT:
Improved soldering paste for surface mounting of electronic components comprises a novel fluxing agent selected from formylated polyhydric compounds. The paste enables circuit boards to be washed with water to remove flux residues.

REFERENCES:
patent: 4759490 (1988-07-01), Ochiai et al.
patent: 4762573 (1988-08-01), Beverstedt
patent: 4789411 (1988-12-01), Eguchi et al.
patent: 4795508 (1989-01-01), Van Leeuwen
patent: 4872928 (1989-10-01), Jacobs
patent: 4895606 (1990-01-01), Jafri

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