OPTICAL SENSOR APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT TO BE USED IN OPTICAL SENSOR APPARATUS

An optical sensor apparatus includes a light receiving element 12 configured to produce an output according to a light receiving state, and an optical element 13 including a reflecting layer 133 including a metal film, and being arranged such that at least some of incident light on the light receivi...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAGUCHI, KAZUKI, HIRAI, TAKAHIKO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY PHYSICS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TESTING
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Beschreibung
Zusammenfassung:	An optical sensor apparatus includes a light receiving element 12 configured to produce an output according to a light receiving state, and an optical element 13 including a reflecting layer 133 including a metal film, and being arranged such that at least some of incident light on the light receiving element 12 is light that is reflected by the reflecting layer 133. The optical element 13 further includes a corrosion resistant layer 134 for suppressing corrosion of the reflecting layer 133, and the reflecting layer 133 includes a surface covered by the corrosion resistant layer 134 formed by vapor plating.