Fresnel lens fabrication

Details Fresnel lens fabrication Fresnel lens fabrication

1985-08-07

1987-02-24

Schor, Kenneth M.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 32, 65 605, 65 6053, 264 17, 350417, 350452, G02B 308

Patent

active

046455230

ABSTRACT:
A Fresnel lens is fabricated by depositing concentric layers of first and second materials in alternation on a substrate surface. The substrate and deposited layers are then drawn down to provide a predetermined Fresnel lens zone structure.

REFERENCES:
patent: 2679474 (1954-05-01), Pajes
patent: 4025965 (1977-05-01), Siegmund
patent: 4149772 (1979-04-01), Iyengar et al.
patent: 4203744 (1980-05-01), Schultz et al.
patent: 4243398 (1981-01-01), Nomura et al.
patent: 4338005 (1982-07-01), Cohen
Fujita et al., "Fabrication of Micro Lenses Using Electron-Beam Lithography", Optics Letters, Dec. 1981, vol. 6, No. 12, pp. 613-615.

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