Method of producing optical waveguides

Details Method of producing optical waveguides Method of producing optical waveguides

1990-04-12

1991-07-30

Lindsay, Robert L.

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

65 314, 65 31, C03C 2100

Patent

active

050357344

ABSTRACT:
The invention relates to a method of producing optical waveguides by ion exchange technique in a glass substrate (1), the ion exchange between a source of ions (such as AgNO.sub.3) and the glass substrate (1) taking place within glass substrate surface areas (6) which do not comprise any ion exchange mask. In the method of the invention, the ion exchange mask is formed by depletion areas (5A, 5B) formed in the surface of the glass substrate.

REFERENCES:
patent: 3880630 (1975-04-01), Izawa
patent: 4711514 (1987-12-01), Tangonan et al.
patent: 4842629 (1989-06-01), Clemens et al.

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