Vapor deposition method for depositing a film of fluorine-contai

Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Process of manufacturing optical fibers – waveguides – or...

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65388, 65413, 65 607, 65DIG16, 65390, 427166, C03B 804

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active

054548470

ABSTRACT:
A deposition method for vapor deposition of a film of fluorine-containing glass on a substrate in which said substrate is put into contact with fluxs of the vapors of the various constituents of said glass, wherein said vapor fluxs are emitted simultaneously from at least two crucibles, a first crucible containing a host bath and main metal fluorides that constitute said fluorine-containing glass, and at least one second crucible containing dopants constituted by at least one rare earth halide.

REFERENCES:
patent: 5071460 (1991-12-01), Fujiura et al.
Japanese Patent Abstract 63-199860 dated Aug. 18, 1988.

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