Pattern transfer optical system

Details Pattern transfer optical system Pattern transfer optical system

1977-12-07

1979-01-02

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Illumination systems or details

350162R, G03B 2776

Patent

active

041324790

ABSTRACT:
The invention relates to optical systems intended for the transfer of patterns onto a photosensitive surface. The system according to the invention comprises a source of coherent radiation which is intended to illuminate the photosensitive surface for a predetermined duration and which is associated with transmission means introducing a wavefront modulation of the radiation intended to average during the exposure time, the interference fringes produced by the coherence of the radiation.

REFERENCES:
patent: 3407294 (1968-10-01), Hill
patent: 3988066 (1976-10-01), Suzuki et al.

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