Method for exposure of chemically machinable light-sensitive gla

Details Method for exposure of chemically machinable light-sensitive gla Method for exposure of chemically machinable light-sensitive gla

1982-06-01

1984-04-24

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156643, 156644, 156654, 156663, 2504921, 430321, B44C 122, C03C 1500, C03C 2506

Patent

active

044446160

ABSTRACT:
A method for irradiating a chemically machinable light-sensitive glass plate with a parallel bundle of ultraviolet rays so as to form tapered holes or slits in the glass plate. A mask having a desired shaped opening is mounted on the light-sensitive glass plate and the plate is disposed so that its surface forms a predetermined angle with a plane which is perpendicular to the parallel bundle of ultraviolet rays. The glass plate is then rotated about a central vertical axis thereof.

REFERENCES:
patent: 2628160 (1953-02-01), Stookey
patent: 4276335 (1981-06-01), Lemmond

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