MATERIAL FOR PLASTIC OPTICAL ELEMENT, PLASTIC OPTICAL ELEMENT AND OPTICAL PICK-UP DEVICE

PROBLEM TO BE SOLVED: To provide a plastic material which is improved in photostability and maintains optical characteristics for a long time while keeping the excellent transparency. SOLUTION: An object lens 10 as a plastic optical element is constituted of a special plastic optical element materia...

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1. Verfasser:	FUJINO YASUMITSU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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creator	FUJINO YASUMITSU
description	PROBLEM TO BE SOLVED: To provide a plastic material which is improved in photostability and maintains optical characteristics for a long time while keeping the excellent transparency. SOLUTION: An object lens 10 as a plastic optical element is constituted of a special plastic optical element material. The plastic optical element material comprises a polycarbonate resin, and a polyfunctional stabilizer having a functional group with radical-eliminating ability, and either one phosphoric ester structure of a phosphite structure or a phosphonite structure. COPYRIGHT: (C)2009,JPO&INPIT
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subjects	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
title	MATERIAL FOR PLASTIC OPTICAL ELEMENT, PLASTIC OPTICAL ELEMENT AND OPTICAL PICK-UP DEVICE
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