JPS6472938A - Heat treatment of glass rod for optical fiber - Google Patents

Heat treatment of glass rod for optical fiber

Info

Publication number
JPS6472938A
JPS6472938A JP23165187A JP23165187A JPS6472938A JP S6472938 A JPS6472938 A JP S6472938A JP 23165187 A JP23165187 A JP 23165187A JP 23165187 A JP23165187 A JP 23165187A JP S6472938 A JPS6472938 A JP S6472938A
Authority
JP
Japan
Prior art keywords
glass rod
optical fiber
heat treatment
temp
radial direction
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
JP23165187A
Other languages
English (en)
Inventor
Toru Wakita
Kunihiro Matsubara
Nobuharu Suzuki
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co 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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP23165187A priority Critical patent/JPS6472938A/ja
Publication of JPS6472938A publication Critical patent/JPS6472938A/ja
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]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal 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)
JP23165187A 1987-09-16 1987-09-16 Heat treatment of glass rod for optical fiber Pending JPS6472938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23165187A JPS6472938A (en) 1987-09-16 1987-09-16 Heat treatment of glass rod for optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23165187A JPS6472938A (en) 1987-09-16 1987-09-16 Heat treatment of glass rod for optical fiber

Publications (1)

Publication Number Publication Date
JPS6472938A true JPS6472938A (en) 1989-03-17

Family

ID=16926836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23165187A Pending JPS6472938A (en) 1987-09-16 1987-09-16 Heat treatment of glass rod for optical fiber

Country Status (1)

Country Link
JP (1) JPS6472938A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990054875A (ko) * 1997-12-26 1999-07-15 오상수 알루미늄 중력주조물의 위치고정장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990054875A (ko) * 1997-12-26 1999-07-15 오상수 알루미늄 중력주조물의 위치고정장치

Similar Documents

Publication Publication Date Title
TW283784B (en) Process for eliminating dislocations in the neck of a silicon single crystal
DE69112463D1 (de) Vorrichtung zur Herstellung von Monokristallen nach dem Czochralski-Verfahren.
GR3026751T3 (en) Process for producing collagen fibres
CA2024855A1 (en) Process and intermediates for producing glucagon
AU7370491A (en) 2,8-dioxabicyclo(3,2,1)octane derivatives,their production from cultures of MF 5447 and MF 5466 and their use as anti hyper cholesterolemics
EP0537280A4 (en) Transfer factor and methods of use
MY112189A (en) Apparatus and method for preparing a single crystal
EP0603888A3 (en) Method for manufacturing silicon carbide fibers.
HK1003229A1 (en) Carrier-bound recombinant portein process for producing it and its use as an immunogen and vaccine
JPS6472938A (en) Heat treatment of glass rod for optical fiber
EP0284880A3 (en) Resins from phenolics and oxazolines using phosphine catalysts
SE8404776L (sv) Sett att reglera reduktion av zirkonium
EP0184575A3 (en) Transformed yeasts producing lysozyme, plasmids used for this transformation, and uses thereof
OA07984A (fr) Procédé stéréocontrolé de préparation d'acetoxyazetidione.
AU547034B2 (en) High temperature fibres
FR2589394B1 (fr) Procede de fabrication d'un composite de verre renforce par des fibres de carbure de silicium
IE870239L (en) Recombinant interleukin-2-composition
JPS6472937A (en) Heat treatment of glass rod for optical fiber
AU596688B2 (en) Process for the production of low carbon silicon
ZA826297B (en) Sintering diamond
AU7837587A (en) Process and apparatus for producing metal zirconium by the reduction of zirconium tetrachloride
DE3062872D1 (en) Process for the production of glazing-pigment forms of 4,4',7,7'-tetrachlorothio indigo
Santos et al. Development of Vitreous Silica by the Sol--Gel Method
Wallenberger New process grows high-quality single-crystal fibers at high rates
JPS5798641A (en) Manufacture of lightweight heat resistant ceramic