Imaging system utilizing a fresnel lens

Details Imaging system utilizing a fresnel lens Imaging system utilizing a fresnel lens

G - Physics

03

B

95/25

G03B 27/00 (2006.01) G03F 7/20 (2006.01) H05K 3/00 (2006.01)

Patent

CA 1191728

IMAGING SYSTEM UTILIZING A FRESNEL LENS ABSTRACT OF THE INVENTION A photoimaging system for exposing a member having a photopolymerizable coating thereon to actinic radiation is characterized by a fresnel lens disposed intermediate a source of actinic radiation and a support frame for supporting the member. The fresnel lens is adapted to collimate radiation emitted from the source and direct that radiation in substantially parallel ray paths such that the radiation impinges onto the surface of the member carried on the support frame in a direction substantially perpendicularly thereto over the entire surface area of the member.

420848

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