JPS60145925A - プリフオ−ム製造方法 - Google Patents

プリフオ−ム製造方法

Info

Publication number
JPS60145925A
JPS60145925A JP59001039A JP103984A JPS60145925A JP S60145925 A JPS60145925 A JP S60145925A JP 59001039 A JP59001039 A JP 59001039A JP 103984 A JP103984 A JP 103984A JP S60145925 A JPS60145925 A JP S60145925A
Authority
JP
Japan
Prior art keywords
glass
tube
rod
quartz
thermal expansion
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
JP59001039A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0140778B2 (cg-RX-API-DMAC7.html
Inventor
Makoto Tsukamoto
誠 塚本
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP59001039A priority Critical patent/JPS60145925A/ja
Publication of JPS60145925A publication Critical patent/JPS60145925A/ja
Publication of JPH0140778B2 publication Critical patent/JPH0140778B2/ja
Granted 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • C03B37/01217—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of polarisation-maintaining optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • 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)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Melting And Manufacturing (AREA)
JP59001039A 1984-01-07 1984-01-07 プリフオ−ム製造方法 Granted JPS60145925A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59001039A JPS60145925A (ja) 1984-01-07 1984-01-07 プリフオ−ム製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59001039A JPS60145925A (ja) 1984-01-07 1984-01-07 プリフオ−ム製造方法

Publications (2)

Publication Number Publication Date
JPS60145925A true JPS60145925A (ja) 1985-08-01
JPH0140778B2 JPH0140778B2 (cg-RX-API-DMAC7.html) 1989-08-31

Family

ID=11490414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59001039A Granted JPS60145925A (ja) 1984-01-07 1984-01-07 プリフオ−ム製造方法

Country Status (1)

Country Link
JP (1) JPS60145925A (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPH0140778B2 (cg-RX-API-DMAC7.html) 1989-08-31

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