JPS5331144A - Production of glass for optical fiber - Google Patents

Production of glass for optical fiber

Info

Publication number
JPS5331144A
JPS5331144A JP10484876A JP10484876A JPS5331144A JP S5331144 A JPS5331144 A JP S5331144A JP 10484876 A JP10484876 A JP 10484876A JP 10484876 A JP10484876 A JP 10484876A JP S5331144 A JPS5331144 A JP S5331144A
Authority
JP
Japan
Prior art keywords
glass
production
optical fiber
core
lowering
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.)
Pending
Application number
JP10484876A
Other languages
Japanese (ja)
Inventor
Akizo Toda
Mamoru Sugie
Makoto Sato
Yasuo Suganuma
Toshio Katsuyama
Koji Ishida
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10484876A priority Critical patent/JPS5331144A/en
Publication of JPS5331144A publication Critical patent/JPS5331144A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

PURPOSE:To form a glass thin film layer which has lower vapor pressure than the core glass within the heated glass tube as the most inner layer glass film, and thus to minimize the lowering of the refraction index at the core center part as well as to enhance the characteristics.
JP10484876A 1976-09-03 1976-09-03 Production of glass for optical fiber Pending JPS5331144A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10484876A JPS5331144A (en) 1976-09-03 1976-09-03 Production of glass for optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10484876A JPS5331144A (en) 1976-09-03 1976-09-03 Production of glass for optical fiber

Publications (1)

Publication Number Publication Date
JPS5331144A true JPS5331144A (en) 1978-03-24

Family

ID=14391725

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10484876A Pending JPS5331144A (en) 1976-09-03 1976-09-03 Production of glass for optical fiber

Country Status (1)

Country Link
JP (1) JPS5331144A (en)

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