Non-oxidative removal of gold films

Details Non-oxidative removal of gold films Non-oxidative removal of gold films

1977-10-25

1979-03-13

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 10, 252142, 252DIG10, B08B 308

Patent

active

041440900

ABSTRACT:
A gold film is debonded from a glass substrate without oxidizing and dissolving the gold by contacting the metallic gold-coated substrate with an aqueous sulfuric acid solution consisting essentially of a soluble halide selected from the group consisting of alkali metal halides, alkaline earth metal halides, ammonium halides and hydrogen halides.

REFERENCES:
patent: 2283198 (1942-05-01), Fink et al.
patent: 2978366 (1961-04-01), Harwig et al.
patent: 3495976 (1970-02-01), Bazilevsky et al.
patent: 3764650 (1973-10-01), Scheiner et al.
patent: 3935005 (1976-01-01), Solidum et al.
patent: 3957505 (1976-05-01), Homick et al.

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