Non-symmetrical reflector for ultraviolet curing

Details Non-symmetrical reflector for ultraviolet curing Non-symmetrical reflector for ultraviolet curing

1975-03-03

1976-09-28

Smith, Alfred E.

Radiant energy

Irradiation of objects or material

Irradiation of semiconductor devices

250504, H01J 3720

Patent

active

039830390

ABSTRACT:
In an apparatus for curing photosensitive inks and coatings comprising an ultraviolet light emitting lamp unit comprised of a tubular elongated ultraviolet lamp and a reflector, and means for moving a substrate, on which said inks or coatings are deposited, under said lamp unit the improvement wherein said reflector is comprised of a first reflecting means for providing a region of peaked relatively high intensity illumination on said substrate and a second reflecting means for providing a region of relatively lower illumination upstream of said high intensity illumination for pre-curing the ink or coating on said substrate.

REFERENCES:
patent: 2592075 (1952-04-01), Smith
patent: 3609340 (1971-09-01), Habro
patent: 3679893 (1972-02-01), Shemitz et al.
patent: 3733461 (1973-05-01), Rohats
patent: 3777135 (1973-12-01), Rees
patent: 3784836 (1974-01-01), Tolliver
patent: 3790801 (1974-02-01), Coleman

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