Patent ID: 6435731
Filing Date: 2002-08-20
Classification: G02B

Abstract:
An optical connector ferrule having an optical fiber incorporated therein as an integral part thereof, wherein said optical fiber is integrally fixed in said ferrule during the production of said ferrule and said ferrule is made of a substantially amorphous alloy having a composition represented by either one of the following general formulas (1) to (6) and containing an amorphous phase in a volumetric ratio of at least 50%:M1aM2bLncM3dM4eM5fâ€ƒâ€ƒ(1) wherein M1 represents either or both of the two elements, Zr and Hf; M2 represents at least one element selected from the group consisting of Ni, Cu, Fe, Co, Mn, Nb, Ti, V, Cr, Zn, Al, and Ga; Ln represents at least one element selected from the group consisting of Y, La, Ce, Nd, Sm, Gd, Tb, Dy, Ho, Yb, and Mm (mish metal: aggregate of rare earth elements); M3 represents at least one element selected from the group consisting of Be, B, C, N, and O; M4 represents at least one element selected from the group consisting of Ta, W, and Mo; M5 represents at least one element selected from the group consisting of Au, Pt, Pd, and Ag; and a, b, c, d, e, and f represent such atomic percentages as respectively satisfy 25&lE;a&lE;85, 15&lE;b&lE;75, 0&lE;c&lE;30, 0&lE;d&lE;30, 0&lE;e&lE;15, and 0&lE;f&lE;15,Al100âˆ’gâˆ’hâˆ’iLngM6hM3iâ€ƒâ€ƒ(2) wherein Ln represents at least one element selected from the group consisting of Y, La, Ce, Nd, Sm, Gd, Tb, Dy, Ho, Yb, and Mm; M6 represents at least one element selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Nb, Mo, Hf, Ta, and W; M3 represents at least one element selected from the group consisting of Be, B, C, N, and O; and g, h, and i represent such atomic percentages as respectively satisfy 30&lE;g &lE;90, 0&lE;h&lE;55, 0&lE;i&lE;10,Mg100âˆ’pM7pâ€ƒâ€ƒ(3) wherein M7 represents at least one element selected from the group consisting of Cu, Ni, Sn, and Zn; and p represents an atomic percentage falling in the range of 5&lE;p&lE;60,Mg100âˆ’qâˆ’rM7qM8râ€ƒâ€ƒ(4) wherein M7 represents at least one element selected from the group consisting of Cu, Ni, Sn, and Zn; M8 represents at least one element selected from the group consisting of Al, Si, and Ca; and q and r represent such atomic percentages as respectively satisfy 1&lE;q&lE;35 and 1&lE;r&lE;25,Mg100âˆ’qâˆ’sM7qM9sâ€ƒâ€ƒ(5) wherein M7 represents at least one element selected from the group consisting of Cu Ni, Sn, and Zn; M9 represents at least one element selected from the group consisting of Y, La, Ce, Nd, Sm, and Mm; and q and s represent such atomic percentages as respectively satisfy 1&lE;q&lE;35 and 3&lE;s&lE;25, andMg100âˆ’qâˆ’râˆ’sM7qM8rM9sâ€ƒâ€ƒ(6) wherein M7 represents at least one element selected from the group consisting of Cu, Ni, Sn, and Zn; M8 represents at least one element selected from the group consisting of Al, Si, and Ca; M9 represents at least one element selected from the group consisting of Y, La, Ce, Nd, Sm, and Mm; and q, r, and s represent such atomic percentages as respectively satisfy 1&lE;q&lE;35, 1&lE;r&lE;25, and 3&lE;s&lE;25.