Method of manufacturing optical fiber
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United States of America Patent
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Aug 30, 2005
Grant Date -
Dec 26, 2002
app pub date -
May 14, 2002
filing date -
May 14, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
The method of manufacturing an optical fiber in accordance with the present invention comprises a step of yielding an optical fiber by drawing an optical fiber preform softened upon heating, wherein a temperature at which the optical fiber preform is softened is at least 1800° C., whereas the optical fiber preform or optical fiber has a glass cooling rate of 4000° C./sec or less when attaining a temperature of 1800° C.
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