Chemical solubilizing agent for tin or tin alloy

Details Chemical solubilizing agent for tin or tin alloy Chemical solubilizing agent for tin or tin alloy

1990-04-05

1993-06-29

Bell, Mark L.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

252 794, C23F 100

Patent

active

052230872

ABSTRACT:
A chemical solubilizing agent for tin or a tin alloy used for electroconductive materials is provided. Said chemical solubilizing agent is an acidic solution containing hydrogen peroxide and an inorganic acid and 0.5-50 g liter of said acidic solution of at least one nitrogen-containing compound selected from the group consisting of heterocyclic compounds not having a double bond in the respective heterocyclic rings, cyclopentylamines and cyclohexylamines.

REFERENCES:
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patent: 3773577 (1973-11-01), Shibasaki et al.
patent: 3841905 (1974-10-01), Dixon, III
patent: 4306933 (1981-12-01), Da Fonte, Jr.
patent: 4374744 (1983-02-01), Kawanabe et al.
patent: 4437929 (1984-03-01), Wong

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