Method of controlling metal oxidation during waveguide formation

Details Method of controlling metal oxidation during waveguide formation Method of controlling metal oxidation during waveguide formation

1991-12-19

1993-09-07

Lindsay, Robert L.

Glass manufacturing

Processes

Operating under inert or reducing conditions

65 311, 65 5923, 6537415, C03B 2702

Patent

active

052424782

ABSTRACT:
An optical waveguide forming process is disclosed which enables glass waveguides to be deposited on metalized substrates without substantial degradation of the wiring of the substrate. The process involves the use of carbon material to protect the metal wiring on or embedded in the substrate during the consolidation phase of the waveguide formation. The carbon plate reacts readily with oxygen impurities to control the oxygen partial Pressure during the consolidation phase.

REFERENCES:
patent: 2882116 (1959-04-01), Williams
patent: 3233993 (1966-02-01), Weidel
patent: 3365799 (1968-01-01), Buyers et al.
patent: 4687540 (1987-08-01), Singhdeo et al.
patent: 4885019 (1989-12-01), Hutta

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