Solution doping of sol gel bodies to make graded index glass art

Details Solution doping of sol gel bodies to make graded index glass art Solution doping of sol gel bodies to make graded index glass art

1993-09-10

1995-08-08

Jones, W. Gary

Glass manufacturing

Processes

Sol-gel or liquid phase route utilized

65 31, 65901, 501 12, C03B 800

Patent

active

054394953

ABSTRACT:
A method for manufacturing a glass is provided, comprising converting a porous body to a multi-component glass, wherein a porous body containing at least one metal component in the form of a metal salt is immersed in a solution containing at least one compound selected from the group consisting of an acid, an ammonium salt and an alkylammonium salt to precipitate the metal salt as microcrystals in the pore. Also, a method for manufacturing a glass for use as a gradient index optical element is provided, comprising converting a porous body to a multi-component glass, wherein a porous body containing at least one metal component in the form of a metal salt is immersed in a solution containing a salt of a metal component different from the above-mentioned at least one component and at least one compound selected from the group consisting of an acid and a salt to provide the metal components with concentration distributions. In these methods, not only the metal salt present in dissolved form in the pores of the porous body can be fixed to the pores with certainty, but also it is feasible to individually control the behaviors of a plurality of metal salts in the porous body.

REFERENCES:
patent: 4389233 (1983-06-01), Kurosaki
patent: 5069700 (1991-12-01), Yamane
patent: 5123940 (1992-06-01), DiGiovanni
patent: 5171344 (1992-12-01), Noda
patent: 5192351 (1993-03-01), Mathur
patent: 5246475 (1993-09-01), Edagawa
patent: 5254148 (1993-10-01), Inami
patent: 5294573 (1994-03-01), Haun
patent: 5308802 (1994-05-01), Haun

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