Optical glass for optical paths

Details Optical glass for optical paths Optical glass for optical paths

1980-11-19

1981-10-27

Vertiz, O. R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 70, C03C 304, C03C 308

Patent

active

042971411

ABSTRACT:
The present invention relates to an optical glass for an optical path, having a refractive index of at least 1.55, an Abbe number of at least 48 and a specific gravity of at most 2.90 and being excellent in chemical durability, having a chemical composition of:

REFERENCES:
patent: 3954487 (1976-05-01), Gliemeroth et al.
patent: 4012131 (1977-03-01), Krohn et al.
patent: 4036623 (1977-07-01), Deeg et al.
patent: 4042405 (1977-08-01), Krohn et al.
patent: 4106946 (1978-08-01), Ritze

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