JPS52156639A - Preparation of glass fiber for optical transmission - Google Patents

Preparation of glass fiber for optical transmission

Info

Publication number
JPS52156639A
JPS52156639A JP7366976A JP7366976A JPS52156639A JP S52156639 A JPS52156639 A JP S52156639A JP 7366976 A JP7366976 A JP 7366976A JP 7366976 A JP7366976 A JP 7366976A JP S52156639 A JPS52156639 A JP S52156639A
Authority
JP
Japan
Prior art keywords
optical transmission
preparation
glass fiber
preform
washing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7366976A
Other languages
Japanese (ja)
Other versions
JPS595532B2 (en
Inventor
Hideo Kakuzen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP7366976A priority Critical patent/JPS595532B2/en
Publication of JPS52156639A publication Critical patent/JPS52156639A/en
Publication of JPS595532B2 publication Critical patent/JPS595532B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/66—Chemical treatment, e.g. leaching, acid or alkali treatment
    • C03C25/68—Chemical treatment, e.g. leaching, acid or alkali treatment by etching

Abstract

PURPOSE:To improve optical transmission characteristics by eliminating discontinuity in refractive index distribution by washing with HF solution the hollow internal surface of a pipe having accumulated substances to make smaller inner diameter thereof when preform is prepared by CVD method.
JP7366976A 1976-06-21 1976-06-21 Manufacturing method of glass fiber for optical transmission Expired JPS595532B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7366976A JPS595532B2 (en) 1976-06-21 1976-06-21 Manufacturing method of glass fiber for optical transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7366976A JPS595532B2 (en) 1976-06-21 1976-06-21 Manufacturing method of glass fiber for optical transmission

Publications (2)

Publication Number Publication Date
JPS52156639A true JPS52156639A (en) 1977-12-27
JPS595532B2 JPS595532B2 (en) 1984-02-06

Family

ID=13524873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7366976A Expired JPS595532B2 (en) 1976-06-21 1976-06-21 Manufacturing method of glass fiber for optical transmission

Country Status (1)

Country Link
JP (1) JPS595532B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55152642U (en) * 1979-04-19 1980-11-04
KR100692652B1 (en) * 2001-11-05 2007-03-13 엘에스전선 주식회사 Optical fiber preform manufacturing method
KR100777498B1 (en) 2006-02-27 2007-11-20 엘에스전선 주식회사 Method for improving the sealing interface in process of overcladding and Apparatus for the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55152642U (en) * 1979-04-19 1980-11-04
KR100692652B1 (en) * 2001-11-05 2007-03-13 엘에스전선 주식회사 Optical fiber preform manufacturing method
KR100777498B1 (en) 2006-02-27 2007-11-20 엘에스전선 주식회사 Method for improving the sealing interface in process of overcladding and Apparatus for the same

Also Published As

Publication number Publication date
JPS595532B2 (en) 1984-02-06

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