LIGHT SOURCE FOR STERILIZATION

PROBLEM TO BE SOLVED: To provide a light source for sterilization which is small, consumes little electricity, has a long life, can sterilize a large area with a simple construction, can be suitably used at standard home and in the field of medicine, and is also expected to dramatically broaden its...

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Bibliographische Detailangaben
Hauptverfasser:	NAGAMI TOMOFUMI, YOSHIKAWA AKIRA, ONO SHINGO, FUKUDA KENTARO, KAWAGUCHI NORIAKI, ISHIZU SUMUTO, SUYAMA TOSHIHISA, YANAGIDA TAKEYUKI, YOKOTA ARITAME
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES 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 DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY HUMAN NECESSITIES HYGIENE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a light source for sterilization which is small, consumes little electricity, has a long life, can sterilize a large area with a simple construction, can be suitably used at standard home and in the field of medicine, and is also expected to dramatically broaden its field of application as a small, high-power and portable light source for sterilization. SOLUTION: The light source for sterilization includes: a light-emitting substrate which comprises a transparent substrate of quartz, quartz glass, fluoride glass, calcium fluoride or the like and a thin film layer of metal fluoride such as CaF2doped with calcium fluoride, barium fluoride or praseodymium (Pr); and an electron beam source such as a thermal-electron gun, a field emitter or the like. It generates light including deep ultraviolet light with wavelengths of 200-320 nm which is useful as sterilizing light by irradiating the metal fluoride layer of the light-emitting substrate with electron beams. COPYRIGHT: (C)2011,JPO&INPIT