Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Physical developing
Patent
1989-08-03
1991-05-21
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Physical developing
430 1, G03H 110
Patent
active
050169513
ABSTRACT:
A compact and portable diffraction grating maker comprised of a laser beam, optical and fiber optics devices coupling the beam to one or more evanescent beam splitters, and collimating lenses or mirrors directing the split beam at an appropriate photosensitive material. The collimating optics, the output ends of the fiber optic coupler and the photosensitive plate holder are all mounted on an articulated framework so that the angle of intersection of the beams can be altered at will without disturbing the spatial filter, collimation or beam quality, and assuring that the beams will always intersect at the position of the plate.
REFERENCES:
patent: 4215924 (1980-08-01), Matsumoto
patent: 4402571 (1983-09-01), Cowan et al.
Deason Vance A.
Ward Michael B.
Albrecht John M.
Bowers Jr. Charles L.
Cordell Helen S.
Moser William R.
The United States of America as represented by the United States
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