Method of and apparatus for determining optical quality of an ar

Details Method of and apparatus for determining optical quality of an ar Method of and apparatus for determining optical quality of an ar

1981-01-16

1983-08-23

Dawson, Robert A.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

65 29, 73 1J, 73159, 156 64, 156 99, 156102, 156106, 156378, 356376, 364473, 364563, 364572, 364825, 427 10, G01N 2132, G01B 1106

Patent

active

044000898

ABSTRACT:
An interlayer material is scanned prior to laminating same with glass sheets to generate a thickness variation signal, a wedge angle signal and an optical power signal. The signals are then selectively filtered to determine the thickness variation, wedge angle and optical power of the interlayer after lamination.

REFERENCES:
patent: 3779731 (1973-12-01), Pollock et al.
patent: 3792930 (1974-02-01), Obenreder
patent: 3799679 (1974-03-01), Simko
patent: 3808077 (1974-04-01), Rieser et al.

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