Method of making a quartz dome reactor chamber

Details Method of making a quartz dome reactor chamber Method of making a quartz dome reactor chamber

1995-05-26

1996-11-12

Czaja, Donald E.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65 71, 65106, 65107, 65109, 65111, 65120, 65256, 65271, 65273, 65285, 65287, 65289, 65290, 65291, 65302, 425110, 425111, 425112, 425117, C03B 23023

Patent

active

055735665

ABSTRACT:
A method of making a quartz dome for a reactor chamber from a substantially flat quartz disk. The quartz disk is placed on a graphite ring which is rotated. The quartz disk is heated until the disk is softened slightly and it begins to slump. The softened portion of the disk is drawn by a change in pressure to contact a fixed wiper blade. The wiper blade controls the size and shape of the deformation of the quartz disk to form the dome surface.

REFERENCES:
patent: 2377946 (1945-06-01), Leary
patent: 3037324 (1962-06-01), Carson
patent: 4247319 (1981-01-01), Hofmann
patent: 4854263 (1989-08-01), Chang et al.
patent: 4920918 (1990-05-01), Adams et al.
patent: 5044943 (1991-09-01), Bowman et al.
patent: 5085887 (1992-02-01), Adams et al.
patent: 5108792 (1992-04-01), Anderson et al.
patent: 5194401 (1993-03-01), Adams et al.

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