Surface treatment of photothermally crystallizable, chemically-m

Details Surface treatment of photothermally crystallizable, chemically-m Surface treatment of photothermally crystallizable, chemically-m

1981-01-09

1982-05-04

Fisher, Richard V.

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

65 301, 65 3013, 65 33, 430 13, C03B 3200

Patent

active

043283055

ABSTRACT:
This invention is directed to a method for treating the surface of photothermally crystallizable chemically-machinable glass-ceramic articles to render them non-sticking when brought into contact with certain organic materials. More particularly, the invention is drawn to the treatment of photothermally crystallizable, chemically-machinable glass-ceramic head pads for use in conjunction with information storage discs with SO.sub.2 vapors to render them non-sticking with respect to those discs.

REFERENCES:
patent: 1973501 (1934-09-01), Murgatroyd
patent: 2628160 (1953-02-01), Stookey
patent: 2971853 (1961-02-01), Stookey
patent: 3348934 (1967-10-01), Hinson et al.
patent: 3473908 (1969-10-01), Snow

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