RIPRODUZIONI PERMANENTI DI IMMAGINI MONOCROMATICHE A MEZZA TINTA E METODO RELATIVO

RIPRODUZIONI PERMANENTI DI IMMAGINI MONOCROMATICHE A MEZZA TINTA E METODO RELATIVO

A refractory background region 1 bears refractory thin-film dichroic filter means 3 patterned to conform to the reproduced half-tone image. Preferred background region materials include metals, semiconductors, and ceramics; the thin-film materials are preferably oxides or nitrides of metals and semi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MARKLE ROBERT E, COGAR GEORGE R
Format: Patent
Sprache:ita
Schlagworte:
APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
MATERIALS THEREFOR
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
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Beschreibung
Zusammenfassung:A refractory background region 1 bears refractory thin-film dichroic filter means 3 patterned to conform to the reproduced half-tone image. Preferred background region materials include metals, semiconductors, and ceramics; the thin-film materials are preferably oxides or nitrides of metals and semiconductors. If the refractory materials are appropriately selected, the reproductions are highly resistant to chemical and thermal deterioration and should have useful lives of the hundreds of thousands of years. The image is produced by interference effects in the thin film.