JPS5515982A - Production of base material for optical fiber - Google Patents

Production of base material for optical fiber

Info

Publication number
JPS5515982A
JPS5515982A JP8969178A JP8969178A JPS5515982A JP S5515982 A JPS5515982 A JP S5515982A JP 8969178 A JP8969178 A JP 8969178A JP 8969178 A JP8969178 A JP 8969178A JP S5515982 A JPS5515982 A JP S5515982A
Authority
JP
Japan
Prior art keywords
tube
press
optical fiber
constant
linear velocity
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
JP8969178A
Other languages
Japanese (ja)
Other versions
JPS578775B2 (en
Inventor
Tadashi Miyashita
Akio Kawana
Gotaro Tanaka
Naoki Yoshioka
Kunio Fujiwara
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.)
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP8969178A priority Critical patent/JPS5515982A/en
Publication of JPS5515982A publication Critical patent/JPS5515982A/en
Publication of JPS578775B2 publication Critical patent/JPS578775B2/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
    • C03B37/014—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
    • C03B37/01815—Reactant deposition burners or deposition heating means
    • C03B37/01823—Plasma deposition burners or heating means
    • C03B37/0183—Plasma deposition burners or heating means for plasma within a tube substrate
    • 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
    • C03B37/01846—Means for after-treatment or catching of worked reactant gases

Landscapes

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

Abstract

PURPOSE:To produce the title material rendering the sectional structure of optical fiber stable with high productivity by using a plasma flame made in a rotatable reaction tube; specifying the linear velocity of gases flowing through the tube; and regulating the press. inside the tube to make the press. constant. CONSTITUTION:By applying voltage to high frequency induction coils 3 from high frequency power source 4 plasma flame 8 is made in reaction tube 2 which is simultaneously rotatable and movable back and forth relatively to coils 3. Raw gases such as SiCl4, GeCl4 and O2 are introduced into tube 2 from raw material feeder 1 and reacted with flame 8 under the following conditions to form a glass film of SiO2, etc. on the inner wall of tube 2: the linear velocity of the gases flowing through tube 2 is controlled to above 10 m/min, and press. regulation valve 5 of press. regulation mechanism 6 in tube 2 is regulated to hold the press. inside tube 2 constant.
JP8969178A 1978-07-21 1978-07-21 Production of base material for optical fiber Granted JPS5515982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8969178A JPS5515982A (en) 1978-07-21 1978-07-21 Production of base material for optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8969178A JPS5515982A (en) 1978-07-21 1978-07-21 Production of base material for optical fiber

Publications (2)

Publication Number Publication Date
JPS5515982A true JPS5515982A (en) 1980-02-04
JPS578775B2 JPS578775B2 (en) 1982-02-18

Family

ID=13977777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8969178A Granted JPS5515982A (en) 1978-07-21 1978-07-21 Production of base material for optical fiber

Country Status (1)

Country Link
JP (1) JPS5515982A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010068814A (en) * 2000-01-10 2001-07-23 권문구 Free-form production apparatus for optical fiber by high frequency vibration plasma chemical vapor deposition
JP2008280237A (en) * 2007-04-26 2008-11-20 Draka Comteq Bv Device and method for manufacturing optical preform

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010068814A (en) * 2000-01-10 2001-07-23 권문구 Free-form production apparatus for optical fiber by high frequency vibration plasma chemical vapor deposition
JP2008280237A (en) * 2007-04-26 2008-11-20 Draka Comteq Bv Device and method for manufacturing optical preform

Also Published As

Publication number Publication date
JPS578775B2 (en) 1982-02-18

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