Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoya Glass Works Ltd
Original Assignee
Hoya Glass Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoya Glass Works LtdfiledCriticalHoya Glass Works Ltd
Priority to JP49121100ApriorityCriticalpatent/JPS5243648B2/ja
Publication of JPS5147439ApublicationCriticalpatent/JPS5147439A/ja
Publication of JPS5243648B2publicationCriticalpatent/JPS5243648B2/ja
C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C13/00—Fibre or filament compositions
C03C13/04—Fibre optics, e.g. core and clad fibre compositions
C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
C03C3/00—Glass compositions
C03C3/04—Glass compositions containing silica
C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron