KR920004291A - 실리카 유리 기재의 제조방법 - Google Patents

실리카 유리 기재의 제조방법 Download PDF

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Publication number
KR920004291A
KR920004291A KR1019910014892A KR910014892A KR920004291A KR 920004291 A KR920004291 A KR 920004291A KR 1019910014892 A KR1019910014892 A KR 1019910014892A KR 910014892 A KR910014892 A KR 910014892A KR 920004291 A KR920004291 A KR 920004291A
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KR
South Korea
Prior art keywords
glass
substrate
silica
rod
silica glass
Prior art date
Application number
KR1019910014892A
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English (en)
Other versions
KR940005065B1 (ko
Inventor
츠구오 사또오
다까유끼 모리가와
히로시 히하라
다게시 야기
가즈아끼 요시다
Original Assignee
도모마쯔 겐고
후루가와덴기 고오교오 가부시기가이샤
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
Priority claimed from JP3092028A external-priority patent/JPH04321531A/ja
Priority claimed from JP3122752A external-priority patent/JPH04325429A/ja
Priority claimed from JP3122695A external-priority patent/JPH04325432A/ja
Application filed by 도모마쯔 겐고, 후루가와덴기 고오교오 가부시기가이샤 filed Critical 도모마쯔 겐고
Publication of KR920004291A publication Critical patent/KR920004291A/ko
Application granted granted Critical
Publication of KR940005065B1 publication Critical patent/KR940005065B1/ko

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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
    • C03B37/10—Non-chemical treatment
    • C03B37/12—Non-chemical treatment of fibres or filaments during winding up
    • 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
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
    • C03B37/01282—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by pressing or sintering, e.g. hot-pressing
    • 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
    • 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]
    • C03B37/016—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 a liquid phase reaction process, e.g. through a gel phase
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/901—Liquid phase reaction process

Abstract

내용 없음

Description

실리카 유리 기재의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1유형의 실시방법을 기술하는 다이어그램.
제2도는 제1유형에 의해서 제조된 석영 유리 기재의 종단면도.
제3도는 기재를 투명한 유리가 되도록 압밀(consolidation)시키므로써 얻어진 광섬유 예비성형체의 단면도.

Claims (11)

  1. 실리카 유리 기재의 제조방법에 있어서, 실리카를 주재료로 한 막대를 몰드의 공간부로 삽입시키는 단계; 및 실리카 유리 분말을 순수한 물에 분산시키므로써 얻어지는 슬러리를 유리 막대와 몰드의 내측면사이에 있는 몰딩 공간으로 주입시키므로써, 유리 막대 둘레에 다공성 유리 성형 몸체를 형성시키는 단계; 로 구성되는 실리카 유리 기재의 제조방법.
  2. 제1항에 있어서, 상기 유리 막대는 화학적인 증기 용착 가수분해법에 의해 제조되는 실리카 유리 기재의 제조방법.
  3. 제2항에 있어서, 상기 유리 막대는 VAD 방법에 의해 제조되는 실리카 유리 기재의 제조방법.
  4. 제1항에 있어서, 상기 실리카 분말 재료의 평균 입경은 0.6 내지 20㎛ 범위에 속하는 실리카 유리 기재의 제조방법.
  5. 제1항에 있어서, 비교적 큰 입경을 갖는 유리 분말 재료의 슬러리는 유리 막대와 이 유리 막대에 보다 가깝게 위치하는 몰드의 내측면사이에 있는 몰딩 공간의 중앙부에 주입되고, 비교적 작은 입경을 갖는 유리 분말 재료의 슬러리는 몰딩 공간의 가장자리부로 주입되는 실리카 유리 기재의 제조방법.
  6. 제5항에 있어서, 상기 보다 큰 입자 유리 분말 재료의 평균 입경은 1 내지 20㎛이고, 상기 보다 작은 입자 유리 분말 재료의 평균 입경은 0.6 내지 1㎛ 범위인 실리카 유리 기재의 제조방법.
  7. 제1항에 있어서, 상기 다공성 유리 몸체의 양단부 또는 한단부는 원추형 또는 곡률 반경이 성형 몸체의 외경과 동일하거나 보다 큰 3-차원 굴곡면으로 형성되는 실리카 유리 기재의 제조방법.
  8. 제1항에 있어서, 상기 실리카 유리 기재는 광섬유 예비 성형체를 제조하기 위하여 사용되는 실리카 유리 기재의 제조방법.
  9. 순수한 물에 실리카 유리 분말 재료를 분산시키므로써 얻어진 슬러리를 유리 막대와 몰드의 내측면사이에 있는 몰딩 공간으로 주입시키므로써, 다공성 유리 성형 몸체가 유리 막대 둘레에 형성되며, 유리 막대와 다공성 유리몸체를 포함하는, 실리카 유리 기재의 처리 방법에 있어서, 기재 원료를 탈수 및 정제시키는 단계; 이 기재를 He 가스로 충전시키기 위하여 He가스로 노출시키는 단계; 및 이 기재를 He을 함유하는 분위기에서 압밀시키는 단계; 로 구성되는 실리카 유리 기재의 처리방법.
  10. 제9항에 있어서, 탈수-정제 공정과 기재를 He으로 충전시키기 위한 공정 중간에 전공하에 기재를 가열시키면서 공기를 제거시키는 단계를 포함하는 실리카 유리 기재의 처리방법.
  11. 제9항에 있어서, 광섬유 예비성형체는 상기 실리카 유리 기재로부터 얻어지는 실리카 유리 기재의 처리방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910014892A 1990-08-27 1991-08-27 실리카 유리 기재의 제조방법 KR940005065B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2-224732 1990-08-27
JP22473290 1990-08-27
JP3-92028 1991-04-23
JP3092028A JPH04321531A (ja) 1991-04-23 1991-04-23 光ファイバ用母材の製造方法
JP3122752A JPH04325429A (ja) 1991-04-25 1991-04-25 光ファイバ用母材の製造方法
JP3-122695 1991-04-25
JP3-122752 1991-04-25
JP3122695A JPH04325432A (ja) 1991-04-25 1991-04-25 光ファイバ用母材の製造方法

Publications (2)

Publication Number Publication Date
KR920004291A true KR920004291A (ko) 1992-03-27
KR940005065B1 KR940005065B1 (ko) 1994-06-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910014892A KR940005065B1 (ko) 1990-08-27 1991-08-27 실리카 유리 기재의 제조방법

Country Status (7)

Country Link
US (1) US5185020A (ko)
EP (1) EP0473104B1 (ko)
KR (1) KR940005065B1 (ko)
AU (1) AU632240B2 (ko)
BR (1) BR9103682A (ko)
CA (1) CA2049898C (ko)
DE (1) DE69123313T2 (ko)

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Also Published As

Publication number Publication date
AU8272091A (en) 1992-03-19
AU632240B2 (en) 1992-12-17
CA2049898C (en) 1996-06-25
KR940005065B1 (ko) 1994-06-10
BR9103682A (pt) 1992-05-19
EP0473104B1 (en) 1996-11-27
CA2049898A1 (en) 1992-02-28
DE69123313T2 (de) 1997-04-24
EP0473104A1 (en) 1992-03-04
DE69123313D1 (de) 1997-01-09
US5185020A (en) 1993-02-09

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