JPH0416412B2 - - Google Patents

Info

Publication number
JPH0416412B2
JPH0416412B2 JP61265665A JP26566586A JPH0416412B2 JP H0416412 B2 JPH0416412 B2 JP H0416412B2 JP 61265665 A JP61265665 A JP 61265665A JP 26566586 A JP26566586 A JP 26566586A JP H0416412 B2 JPH0416412 B2 JP H0416412B2
Authority
JP
Japan
Prior art keywords
fluorine
glass
heat treatment
glass article
manufacturing
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.)
Expired - Lifetime
Application number
JP61265665A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62230638A (ja
Inventor
Yoichi Ishiguro
Hiroo Kanamori
Akira Urano
Tsunehisa Kyodo
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.)
Sumitomo Electric Industries Ltd
Original Assignee
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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to AU66986/86A priority Critical patent/AU586058B2/en
Priority to EP86118035A priority patent/EP0228082B1/en
Priority to DE8686118035T priority patent/DE3674749D1/de
Publication of JPS62230638A publication Critical patent/JPS62230638A/ja
Priority to US07/537,010 priority patent/US5022904A/en
Priority to US07/677,414 priority patent/US5217516A/en
Publication of JPH0416412B2 publication Critical patent/JPH0416412B2/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]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C03B37/01453—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering for doping the preform with flourine
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C03B2203/23—Double or multiple optical cladding profiles

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)
  • Glass Melting And Manufacturing (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
JP61265665A 1985-12-27 1986-11-10 ガラス物品の製造方法 Granted JPS62230638A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU66986/86A AU586058B2 (en) 1985-12-27 1986-12-24 Method of making optical glass article
EP86118035A EP0228082B1 (en) 1985-12-27 1986-12-24 Method of making optical glass article
DE8686118035T DE3674749D1 (de) 1985-12-27 1986-12-24 Verfahren zur herstellung eines optischen glasartikels.
US07/537,010 US5022904A (en) 1985-12-27 1990-06-13 Method of making optical glass article
US07/677,414 US5217516A (en) 1985-12-27 1991-03-29 Method of making optical glass article

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60-293060 1985-12-27
JP29306085 1985-12-27

Publications (2)

Publication Number Publication Date
JPS62230638A JPS62230638A (ja) 1987-10-09
JPH0416412B2 true JPH0416412B2 (enrdf_load_stackoverflow) 1992-03-24

Family

ID=17789944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61265665A Granted JPS62230638A (ja) 1985-12-27 1986-11-10 ガラス物品の製造方法

Country Status (1)

Country Link
JP (1) JPS62230638A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07112933B2 (ja) * 1988-05-11 1995-12-06 株式会社フジクラ 光ファイバ母材の製造方法
JP2006143519A (ja) * 2004-11-19 2006-06-08 Sumitomo Electric Ind Ltd ガラスの製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038345B2 (ja) * 1978-11-07 1985-08-31 日本電信電話株式会社 光伝送用ガラス素材の製造方法
JPS6081033A (ja) * 1983-10-11 1985-05-09 Nippon Telegr & Teleph Corp <Ntt> 光フアイバの製造方法

Also Published As

Publication number Publication date
JPS62230638A (ja) 1987-10-09

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term