Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1987-09-11
1989-02-14
Schor, Kenneth M.
Glass manufacturing
Processes
Forming product or preform from molten glass
65 182, C03B 37018
Patent
active
048043931
ABSTRACT:
A method for producing an optical fiber preform comprising jetting a glass raw material mixture containing at least one phosphorous compound and a fuel gas through a burner, hydrolyzing the raw materials in the flame to form fine glass particles, depositing the fine glass particles to form a porous glass preform, and then sintering the porous glass preform in a stream of an inert gas with removing phosphorus liberated from the preform to produce a transparent optical fiber preform, from which transparent optical fiber preform, an optical fiber having low attenuation at a wavelength of about 1.52 micrometer is produced.
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Hoshikawa Masao
Kyoto Michihisa
Watanabe Minoru
Yano Koji
Schor Kenneth M.
Sumitomo Electric Industries Ltd.
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