Lenses and lens arrays

Details Lenses and lens arrays Lenses and lens arrays

1986-12-17

1988-10-11

Schor, Kenneth M.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 37, 264 12, 264 11, 350417, 427162, C03B 1900, B29D 1100

Patent

active

047768681

ABSTRACT:
This invention relates to a method for preparing a lens or a lens array and apparatus for carrying out the method. The method comprises directing, in line of sight in a vacuum, the vapor of a substance, which is solid and transparent at ambient temperature, from a source of that vapor through a hole in a mask to form a deposit on a substrate. The mask is so positioned between the vapor source and the substrate that obscuration by the solid portions of the mask around the hole causes the deposit to assume a curved surface and function as a lens.

REFERENCES:
patent: 3351449 (1967-11-01), Ambrogi
patent: 3369274 (1968-02-01), Dicks
patent: 3371138 (1968-02-01), Zablocki
patent: 3846165 (1974-11-01), Ettenberg
patent: 4100313 (1978-07-01), Hammer
patent: 4183617 (1980-01-01), Isaacs
patent: 4273812 (1981-06-01), Tsutsui
patent: 4278710 (1981-07-01), Jelks

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