PLASTIC OPTICAL ARTICLE WITH MULTILAYERED ANTIREFLECTION FILM

PROBLEM TO BE SOLVED: To provide a plastic optical article with a multilayered antireflection film having a low reflectance in a wide visible light region and less liable to scratch and contamination. SOLUTION: This plastic optical article has a multilayered antireflection film formed by successivel...

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Bibliographische Detailangaben
Hauptverfasser:	TOYAMA SHUNROKU, MOCHIZUKI KIYOTO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHYSICS POLISHES TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a plastic optical article with a multilayered antireflection film having a low reflectance in a wide visible light region and less liable to scratch and contamination. SOLUTION: This plastic optical article has a multilayered antireflection film formed by successively disposing a scratch resistant hard coating layer of 1-15μm thickness as a 1st layer, a 2nd layer based on ZrO2 or ITO, a 3rd layer based on MgF2 or SiO2 , a 4th layer based on ITO, a 5th layer based on MgF2 or SiO2 and a 6th layer based on SiO2 on one face or both faces of the plastic film or sheet substrate. The reflectance of the surface of the antireflection film is =180nm wavelength.