Etchant for etching glass substrate

Details Etchant for etching glass substrate Etchant for etching glass substrate

1997-08-26

1999-11-23

Powell, William

Compositions

Etching or brightening compositions

Inorganic acid containing

252 793, 216 97, 216109, B44C 122

Patent

active

059894504

ABSTRACT:
An etchant for etching a glass substrate includes distilled water containing HF of more than 5 vol % and about 5 vol % of alcohol. The HF etches a glass substrate and the alcohol dissolves the residue particles attached to a surface of the substrate to apply the etchant to the total area for uniform thickness and smooth surface.

REFERENCES:
patent: 5112437 (1992-05-01), Watanabe et al.
patent: 5164018 (1992-11-01), Barcelona

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