ULTRAVIOLET CUTOFF GLASS

PURPOSE:To give sharp absorption property with a narrow wavelength inclined width where light of wavelengths smaller than an arbitrary one is almost completely cut off and light of wavelengths larger than that almost completely transmitted and to extremely decrease the change in transmission propert...

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Bibliographische Detailangaben
Hauptverfasser:	EIZAI TOSHIHIKO, TARUMI TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	PURPOSE:To give sharp absorption property with a narrow wavelength inclined width where light of wavelengths smaller than an arbitrary one is almost completely cut off and light of wavelengths larger than that almost completely transmitted and to extremely decrease the change in transmission property even when radiated with strong ultraviolet rays. CONSTITUTION:The ultraviolet cutoff glass consists of (a) 20-85wt.% SiO2, (b) 2-75wt.% B2O3, (c)