Method of manufacturing optical fibres
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United States of America Patent
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-
Jan 15, 1985
Grant Date -
N/A
app pub date -
Apr 5, 1983
filing date -
Apr 6, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Optical fibres are manufactured by etching the inner wall of a tube. The tube wall is etched by passing a hydrogen-free fluorine compound through the tube while reciprocating a nonisothermal plasma through the tube. After etching, core glass is chemically deposited on the etched surface. The core glass is deposited from the gaseous phase while using a nonisothermal plasma for initiating the reaction. The inner-coated tube is then collapsed and drawn to form an optical fiber.
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