Manufacture of diffraction gratings

Details Manufacture of diffraction gratings Manufacture of diffraction gratings

1985-07-29

1987-04-14

Newsome, John H.

Coating processes

Electrical product produced

Welding electrode

427162, B05D 306

Patent

active

046577807

ABSTRACT:
In a method of manufacturing a diffraction grating, the grating-bearing surface of a master grating is coated with a release agent, and a rigid substrate has a layer of ultravoilet sensitive liquid resin applied thereto before bringing the master grating and the substrate together to trap a film of the liquid resin therebetween, whereafter the liquid resin is cured by exposure to ultraviolet light through the master grating and the master grating and resin-profiled substrate are separated prior to completion of the diffraction grating by deposition of a thin metal film on the resin-profiled surface of the substrate.

REFERENCES:
patent: 818966 (1906-04-01), Ives
patent: 4124672 (1978-11-01), Jarsen

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