Patent JPS544152A successfully refreshed from Google Patents.
JPS544152A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Production of reflection preventive film of transparent optical element
Assignee: Seiko Epson Corp
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Filing: 1977-06-13
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Granted: —
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Expires: 1997-06-13
Abstract
Abstract PURPOSE: To accomplish the reduction in relfection of the surface of an optical element and the improvement in anti-damage by forming the plastic optical element with a silicon monooxide or dioxide or glass layer, which has a preset refractive index and thickness, through a preset evaporation process. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Hiroichi Deguchi
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 04:44
CPC Classifications
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