Method for the production of glass product

Details Method for the production of glass product Method for the production of glass product

1998-04-02

2000-07-25

Jones, Deborah

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283044, 348294, 348311, 359361, 501 45, B32B 326, H04N 314, H04N 5335

Patent

active

060934840

ABSTRACT:
Phosphate or flurorophosphate glass surfaces are polished to smooth, highly accurate surfaces using a glass polishing liquid having a pH approximating the pH of the glass being polished. A highly polished glass surface results suitable for use optical filters and solid camera devices and solid image sensors. Phosphate and fluorophosphate glass filters and the like so formed have hair-like surface flaws, if any, of a width of 7 .mu.m or less.

REFERENCES:
patent: 5227343 (1993-07-01), Osuka et al.
patent: 5242868 (1993-09-01), Hara
patent: 5249076 (1993-09-01), Fujiwara et al.
patent: 5668066 (1997-09-01), Oguma et al.
patent: 5793544 (1998-08-01), Ogihara et al.

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