Method for fabricating a diffractive subtractive filter embossin

Details Method for fabricating a diffractive subtractive filter embossin Method for fabricating a diffractive subtractive filter embossin

1979-04-27

1981-03-10

Corbin, John K.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

350162R, 350162SF, 350314, 430 11, 430 16, 430324, 430329, 430330, G03C 504

Patent

active

042555140

ABSTRACT:
By flow-melting low-melting point electroplated metal structures, each corresponding to a white-manifesting region of the embossing master, any originally re-entrant shaped structure becomes non-re-entrant. Further, the flow-melting provides a brighter white color capability for the filter embossed in a thermoplastic film.

REFERENCES:
patent: 3443944 (1969-05-01), Wise
patent: 3945825 (1976-03-01), Gale et al.
patent: 3957354 (1976-05-01), Knop
patent: 4057326 (1977-11-01), Knop
patent: 4062628 (1977-12-01), Gale
patent: 4108660 (1978-08-01), Gale et al.
patent: 4130347 (1978-12-01), Knop
patent: 4155627 (1979-05-01), Gale et al.

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