Focussing collimator of the Platz-Heinzelmann type and method of

Details Focussing collimator of the Platz-Heinzelmann type and method of Focussing collimator of the Platz-Heinzelmann type and method of

1994-03-14

1996-08-27

Epps, Georgia Y.

Optical: systems and elements

Collimating of light beam

348147, 29238, G02B 2730, H04N 718, B23P 1904

Patent

active

055506780

ABSTRACT:
A Platz-Heinzelmann collimator is produced by introducing strips of material between the dies of a die press, heating the material to below its extrusion temperature, applying pressure, removing the strips and adhesively securing them together.
The collimator may be of the focussing type.

REFERENCES:
patent: 3379594 (1968-04-01), Bruder
patent: 3943366 (1976-03-01), Platz
patent: 4056427 (1977-11-01), York
patent: 4465540 (1984-08-01), Albert
patent: 4958081 (1990-09-01), Malmin
In re Leshin, 125 USPQ 416.

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