Glass-Ceramic Ferrule GCF is suitable for single-mode optical connectors. Durability matches or exceeds that of ceramic ferrules especially under high-temperature and high-humidity conditions. GCF can be polished quickly without using diamond polishing film. The cost saving is substantial. The 1.25 GCF has a concentricity of 0.001mm. [NTT standard]

Features <Concentric Positioning> GCF features unique effect of concentric positioning that causes self-alignment of fiber around the center of inner diameter of ferrule. <Excellent Polishing Properties> Polishing costs can be reduced dramatically compared with conventional zirconia ferrules, because GCF requires no diamond polishing film and the polishing time can be shortened. <Environmental Durability> Compared with ceramic ferrules, the durability of GCF is superior under high-temperature and high-humidity conditions. <Low Cost> GCF costs less because of the way it's manufactured, utilizing the thermal softening properties of glass. Properties of Glass-Ceramic Ferrule GCF Alumina Zirconia Bending strength (MPa) 700 580 1350 Thermal expansion coeff. (ppm/oC) 2.7 6.8 8.3 Young's modulus(GPa) 82 380 190 Vicker's hardness 680 1800 1200

Dimensions