JPS5370449A - Production of parent material for optical communication - Google Patents

Production of parent material for optical communication

Info

Publication number
JPS5370449A
JPS5370449A JP14588076A JP14588076A JPS5370449A JP S5370449 A JPS5370449 A JP S5370449A JP 14588076 A JP14588076 A JP 14588076A JP 14588076 A JP14588076 A JP 14588076A JP S5370449 A JPS5370449 A JP S5370449A
Authority
JP
Japan
Prior art keywords
production
optical communication
parent material
soot
letting
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
JP14588076A
Other languages
Japanese (ja)
Inventor
Tatsuo Izawa
Kazuo Sanada
Yutaka Osanai
Hideaki Goshima
Sadao Chigira
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.)
Fujikura Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujikura Ltd
Nippon Telegraph and Telephone Corp
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 Fujikura Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujikura Ltd
Priority to JP14588076A priority Critical patent/JPS5370449A/en
Publication of JPS5370449A publication Critical patent/JPS5370449A/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]
    • C03B37/01413—Reactant delivery systems
    • C03B37/0142—Reactant deposition burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/02—Elongated flat flame or slit-nozzle type
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/60—Relationship between burner and deposit, e.g. position

Abstract

PURPOSE:To prevent the degradation of characteristics owing to the change of doping amount by using a reaction apparatus of a horizontally wide and thin type for generating soot and letting the flow of film form soot collide upon and deposit on the target being revolving.
JP14588076A 1976-12-03 1976-12-03 Production of parent material for optical communication Pending JPS5370449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14588076A JPS5370449A (en) 1976-12-03 1976-12-03 Production of parent material for optical communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14588076A JPS5370449A (en) 1976-12-03 1976-12-03 Production of parent material for optical communication

Publications (1)

Publication Number Publication Date
JPS5370449A true JPS5370449A (en) 1978-06-22

Family

ID=15395173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14588076A Pending JPS5370449A (en) 1976-12-03 1976-12-03 Production of parent material for optical communication

Country Status (1)

Country Link
JP (1) JPS5370449A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958102A (en) * 1996-11-27 1999-09-28 Shin-Etsu Chemical Co., Ltd. Apparatus and method for making an optical fiber preform using a correction pass
JP2008074651A (en) * 2006-09-20 2008-04-03 Asahi Glass Co Ltd Burner for synthesizing microparticle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918909A (en) * 1972-03-30 1974-02-19
JPS5156641A (en) * 1974-11-13 1976-05-18 Sumitomo Electric Industries HIKARIDENSOYOFUAIBAANO SEIZOHOHO
JPS51126158A (en) * 1975-03-30 1976-11-04 Fujikura Ltd Manufacturing method of optical fiber base material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918909A (en) * 1972-03-30 1974-02-19
JPS5156641A (en) * 1974-11-13 1976-05-18 Sumitomo Electric Industries HIKARIDENSOYOFUAIBAANO SEIZOHOHO
JPS51126158A (en) * 1975-03-30 1976-11-04 Fujikura Ltd Manufacturing method of optical fiber base material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5958102A (en) * 1996-11-27 1999-09-28 Shin-Etsu Chemical Co., Ltd. Apparatus and method for making an optical fiber preform using a correction pass
JP2008074651A (en) * 2006-09-20 2008-04-03 Asahi Glass Co Ltd Burner for synthesizing microparticle

Similar Documents

Publication Publication Date Title
JPS52143980A (en) Equipment for plasma deposition
JPS51133047A (en) Manufacturing method of light transmission path
JPS5370449A (en) Production of parent material for optical communication
JPS5265183A (en) Production process of thin film of compounds
JPS5211936A (en) Light fiber material
JPS525682A (en) Sputtering apparatus for long length substrates
JPS5267647A (en) Optical film
SU631880A1 (en) Apparatus for forming linearly-increasing gas flow rate
JPS5210745A (en) Optical variable device
JPS5225086A (en) Light source tube in a chlorella culturing apparatus
JPS52147424A (en) Diaphragm device for the copier of variable magnification slit exposure type
JPS52140274A (en) Pressure-reduction vapor growth method
JPS51115288A (en) Method of preparing compound film
JPS525294A (en) Laser with variable wave length
JPS529373A (en) Storage tube target manufacturing process
JPS5226241A (en) Photochromic display unit
JPS51117981A (en) Optical multi-layer film depositing apparatus
JPS529194A (en) Manufacturing method for directivity reflection plate
JPS52128159A (en) Production of liquid cystal displayelement
JPS5230840A (en) Adhesive tape
JPS52153412A (en) Production of electric substrate
JPS5210692A (en) Crystalline liquid indicator cell
JPS533168A (en) Semiconductor evaporating apparatus
JPS51128540A (en) Method of strengthening of glass fibre for photo communication
JPS51117983A (en) A process for producing a compound film