LASER BEAM SHIELDING FILM

PROBLEM TO BE SOLVED: To provide a laser beam shielding film that has good processability in calendering, inflation and extrusion, excellent durability and weather resistance (UV resistance) and can widely absorb light from a near IR ray region to a far IR ray region. SOLUTION: The laser beam shield...

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Bibliographische Detailangaben
1. Verfasser:	MORI HIROO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING 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 WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a laser beam shielding film that has good processability in calendering, inflation and extrusion, excellent durability and weather resistance (UV resistance) and can widely absorb light from a near IR ray region to a far IR ray region. SOLUTION: The laser beam shielding film is made of a synthetic resin; the film contains tungsten oxide particles and/or lanthanum hexaboride particles by 1.0 to 18 g/m2and exhibits an optical density (OD level) of not less than 2 in a wavelength region from 1,000 to 20,000 nm and a transmittance for visible rays of not less than 30%. COPYRIGHT: (C)2009,JPO&INPIT