Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1996-01-03
1998-01-13
Group, Karl
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 54, 501 12, C03C 304, C03C 306
Patent
active
057079080
ABSTRACT:
A silica glass has a structure determination temperature of 1200 K or lower and a hydrogen molecule concentration of 1.times.10.sup.17 molecules/cm.sup.3 or more. The silica glass is used together with light in a wavelength region of 400 nm or shorter.
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patent: 5086352 (1992-02-01), Yamagata et al.
patent: 5325230 (1994-06-01), Yamagata et al.
patent: 5326729 (1994-07-01), Yaba et al.
patent: 5349456 (1994-09-01), Iwananga et al.
patent: 5364433 (1994-11-01), Nishmura et al.
patent: 5410428 (1995-04-01), Yamagata et al.
Hiraiwa Hiroyuki
Komine Norio
Group Karl
Nikon Corporation
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