ES390179A1 - Improvements introduced in the optical reticulation manufacturing procedures. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the optical reticulation manufacturing procedures. (Machine-translation by Google Translate, not legally binding)
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BOBES NAVES
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BOBES NAVES
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Priority to ES390179ApriorityCriticalpatent/ES390179A1/en
Publication of ES390179A1publicationCriticalpatent/ES390179A1/en
Improvements introduced in the procedures of manufacturing optical retinic, starting from operative phases that comprise the treatment of the glass disc by photographic emulsion, subsequently impressed, and attack of the revealed areas by the action of a mordant acid, essentially characterized by in producing the deposit of chromium at high vacuum on the incisions or engravings made on the glass disk. (Machine-translation by Google Translate, not legally binding)
ES390179A1971-04-141971-04-14Improvements introduced in the optical reticulation manufacturing procedures. (Machine-translation by Google Translate, not legally binding)
ExpiredES390179A1
(en)