Method and an apparatus for performing three-dimensional exposur

Details Method and an apparatus for performing three-dimensional exposur Method and an apparatus for performing three-dimensional exposur

1989-04-24

1990-06-19

Wintercorn, Richard A.

Photocopying

Contact printing

Machine

355 49, G03B 2722

Patent

active

049357743

ABSTRACT:
A method and an apparatus by use of three-dimensional photo-lithographic exposure employed for transferring an image to a recording medium among a series of processing works of practicing groove-processing, etc., corresponding to the image by utilization of photo-etching technology or the like, the apparatus for performing three-dimensional exposure comprising an optical unit, a work gripping assembly, a work moving mechanism, a control unit, and a main body frame, and the optical unit comprising a light source portion, a lens portion, and a reflection mirror, wherein the ultraviolet rays focused by the reflection mirror through a slit of a photo-mask onto a photo-sensitive coating film formed on an outer surface of a work loosely inserted into the through-hole of the reflection mirror together with a photo-mask surrounding an outer circumference of the work.

REFERENCES:
patent: 3314329 (1967-04-01), Wolbert
patent: 3627412 (1971-12-01), Jean
patent: 3785819 (1974-01-01), Barnes, Jr. et al.
patent: 4102734 (1978-07-01), Schiffman
patent: 4119484 (1978-10-01), Schiffman

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