Optical system for the projection of patterned light onto the su

Details Optical system for the projection of patterned light onto the su Optical system for the projection of patterned light onto the su

1993-08-23

1995-10-24

Gellner, Michael L.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

355 40, 355 46, 355 52, 355 53, 354120, G03C 500, G03B 2742

Patent

active

054614554

ABSTRACT:
An image projection system for all surfaces of a three dimensional object such as a polyhedron in which direct and angle reflected image patterns are projected from superpositioned non-overlapping mask patterns mounted on different levels where the separation of the levels is related to the size of the object. The apparatus and process permits simultaneous photolithigraphic printing of conductors on the top and all sides of a cube shaped stack of integrated circuit chips.

REFERENCES:
patent: 4309094 (1982-01-01), Bollen
patent: 5001038 (1991-03-01), Dorinski et al.
IBM Tech. Disc. Bull.--Van Yechten--vol. 27 No. 11 Apr. 1985 pp. 6678-6680.

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