Optical processing apparatus and optical processing method

Details Optical processing apparatus and optical processing method Optical processing apparatus and optical processing method

1996-08-22

1998-10-13

Silverman, Stanley S.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65110, 65111, 65117, 65262, 65285, 65300, 117 43, 117904, C03B 23035

Patent

active

058206507

ABSTRACT:
A glass substrate is positioned between a chamber with a reduced pressure and a chamber filled with a heated helium, and the glass substrate is forcibly bent by the pressure difference and the heated helium gas into a uniform shape. The irradiation of laser light is carried out in this state to compensate the difference of annealing effects due to fine difference of deformation of the respective glass substrates.

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patent: 5328549 (1994-07-01), Bozler et al.
patent: 5432122 (1995-07-01), Chae
patent: 5454347 (1995-10-01), Shibata et al.
patent: 5492843 (1996-02-01), Adachi et al.
patent: 5561081 (1996-10-01), Takenouchi et al.
patent: 5591668 (1997-01-01), Maegawa et al.

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