Plasma treatment of glass surfaces to remove carbon

Details Plasma treatment of glass surfaces to remove carbon Plasma treatment of glass surfaces to remove carbon

1992-09-30

1994-11-15

Jones, W. Gary

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

156643, 65 31, 65DIG16, C03C 2300

Patent

active

053644344

ABSTRACT:
Glass free of surface carbon deposits, such as carbon film and/or carbon occlusions, and a process for removing such carbon deposits from glass. The process is characterized by the application of a plasma to glass to remove the carbon deposits. The plasma used for this purpose contains active specie which reacts with the carbon deposits to form gaseous carbon products.

REFERENCES:
patent: 4810054 (1989-03-01), Shinbori et al.
patent: 4898777 (1990-02-01), Kindler
patent: 5000771 (1991-03-01), Fleming, Jr.
patent: 5055120 (1991-10-01), Tran
patent: 5106402 (1992-04-01), Geittner
Klein et al., "Strengthening of Zblan Glass Fibers by Preform Treatment w Active Fluorine", Printed in Materials Science Forum, vols. 32-33, (1988), pp. 571-576.

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