C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/19
C03C 13/04 (2006.01) C03C 3/118 (2006.01)
Patent
CA 1230349
Abstract: Cladding glass for optical fiber A cladding glass for optical fiber comprises 60 to 80 % by weight of silicon dioxide (SiO2), 0.5 to 10 % by weight of aluminum oxide (Al2O3), 9 to 17 % by weight of an alkali metal oxide, 3 to 15 % by weight of boron oxide (B2O3) and more than 0 but not more than 3 % by weight of fluorine (F). The cladding glass of this invention can simultaneously satisfy low refractive index and lowered viscosity, and is also excellent in water resistance and weathering resistance.
467053
Imagawa Hiroshi
Kasori Mituo
Kokubo Osamu
Maki Hironori
Yagi Kenji
Kabushiki Kaisha Toshiba
Marks & Clerk
Showa Electric Wire And Cable Co. Ltd.
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