Optical glass

Details Optical glass Optical glass

1987-07-31

1988-09-13

Capella, Steven

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 44, 501 45, 501 48, 501905, C03C 3253, C03C 316

Patent

active

047710209

ABSTRACT:
An optical glass which is a P.sub.2 O.sub.5 system glass including ingredients selected from two groups of R.sub.2 O.sub.3 ingredients of specific contents have excellent resistivity to devitrification, homogeneity, light transmissivity and chemical durability.

REFERENCES:
patent: 3149234 (1964-09-01), Hood et al.
patent: 4439530 (1984-03-01), Tajima
patent: 4517006 (1985-05-01), Drake et al.

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