Glass manufacturing – Apparatus made of special material – Metal-nonmetal composite
Patent
1997-05-12
2000-01-04
Silverman, Stanley S.
Glass manufacturing
Apparatus made of special material
Metal-nonmetal composite
425808, 264 11, 264 132, 264 27, 249116, 6537412, 6537413, 65305, 65 26, 65 64, C03B 1316, C03B 2300, C03B 1100, C03B 3500
Patent
active
060097280
ABSTRACT:
A die for press-molding glass optical elements comprising (a) a base material having heat resistance and sufficient strength to withstand press-molding of optical glass elements; (b) a film on said base material comprising an alloy film containing B and one metal selected from the group consisting of Ni, Co, and Fe, and one metal selected from the group consisting of Si, Ti, Cu, Zr, Nb, Mo, Ru, Rh, Pd, Hf, Ta, W, Re, Os, and Ir, to form a cutting layer; and (c) a surface protective layer on top of said cutting layer made of an alloy film comprising at least one metal selected from the group consisting of Pt, Pd, Ir, Rh, Os, Ru, Re, W, and Ta.
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Inoue Kenji
Kashiwagi Yoshinari
Kataoka Hidenao
Morimoto Satoru
Nakamura Shoji
Matsushita Electric - Industrial Co., Ltd.
Ruller Jacqueline A
Silverman Stanley S.
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