KR860002430A - 저손실광파이버의 제조방법 - Google Patents
저손실광파이버의 제조방법 Download PDFInfo
- Publication number
- KR860002430A KR860002430A KR1019850005439A KR850005439A KR860002430A KR 860002430 A KR860002430 A KR 860002430A KR 1019850005439 A KR1019850005439 A KR 1019850005439A KR 850005439 A KR850005439 A KR 850005439A KR 860002430 A KR860002430 A KR 860002430A
- Authority
- KR
- South Korea
- Prior art keywords
- base material
- spout base
- optical fiber
- furnace
- manufacturing
- Prior art date
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
-
- 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
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본 발명의 실시예에 사용한 탈수, 소결용 장치의 일례로서 경사소결에 사용하는 것을 설명하는 도면.
제5도는 본 발명의 실시예에 사용한 장치의 다른 일례로서, 발열체의 길이가 모재전장보다 긴것이며, 또, 그 하부에는 경사 소결용의 로를 비치하고 있는 것을 설명하는 도면.
Claims (1)
- 원료가스를 화염가수 분해반응시키므로서 유리미립자를 합성하고, 이 유리미립자를 기판위에 퇴적하여, 원주형상 또는 원통형상의 스우트 모재를 합성하고, 이 스우트 모재를 가열소결하여 투명유리화하는 방법에 있어서, 상기 스우트 모재를, 스우트 모재의 전체길이를 가열할 수 있는 로길이를 가진 로내에서, 염소를 함유한 분위기에서, 적어도 스우트 모재의 직경비로 20% 이상 수축하는 것을 가능케하는 온도 및 시간으로 탈수처리를 실시하고, 계속하여 이 스우트 모재를 순 He 가스분위기에서 일단으로부터 일부분식 투명유리화 가능한 온도역에 삽입하여 투명유리화하는 특징으로 하는 광파이버용 모재의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59-194793 | 1984-09-19 | ||
JP59194793A JPS6172644A (ja) | 1984-09-19 | 1984-09-19 | 低損失光フアイバの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860002430A true KR860002430A (ko) | 1986-04-26 |
KR890003707B1 KR890003707B1 (ko) | 1989-09-30 |
Family
ID=16330348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019850005439A KR890003707B1 (ko) | 1984-09-19 | 1985-07-29 | 저손실광파이버의 제조방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4664690A (ko) |
EP (1) | EP0175067B1 (ko) |
JP (1) | JPS6172644A (ko) |
KR (1) | KR890003707B1 (ko) |
AU (1) | AU574194B2 (ko) |
CA (1) | CA1238246A (ko) |
DE (1) | DE3565249D1 (ko) |
DK (1) | DK162384C (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4741748A (en) * | 1986-01-30 | 1988-05-03 | Corning Glass Works | Heating oven for preparing optical waveguide fibers |
JPH0791081B2 (ja) * | 1986-07-03 | 1995-10-04 | 住友電気工業株式会社 | シングルモ−ドフアイバ用ガラス母材の製造方法 |
JP2640745B2 (ja) * | 1987-07-20 | 1997-08-13 | 株式会社 フジクラ | 不透明ガラスプリフオームの製造方法 |
JP2565712B2 (ja) * | 1987-07-20 | 1996-12-18 | 株式会社フジクラ | 光フアイバの製造方法 |
JP2640746B2 (ja) * | 1987-08-03 | 1997-08-13 | 株式会社 フジクラ | 光フアイバ用中間製品の製造方法 |
JPH029727A (ja) * | 1988-06-28 | 1990-01-12 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
US5303318A (en) * | 1991-11-01 | 1994-04-12 | Nippon Telegraph & Telephone Corporation | High power acceptable optical fiber and fabrication method thereof |
US5641333A (en) * | 1995-12-01 | 1997-06-24 | Corning Incorporated | Increasing the retention of Ge02 during production of glass articles |
JP4596442B2 (ja) * | 1999-04-26 | 2010-12-08 | コーニング インコーポレイテッド | 低水分ピーク光導波路ファイバおよびその製造方法 |
US6904772B2 (en) * | 2000-12-22 | 2005-06-14 | Corning Incorporated | Method of making a glass preform for low water peak optical fiber |
US6723435B1 (en) * | 2001-08-28 | 2004-04-20 | Nanogram Corporation | Optical fiber preforms |
KR101166205B1 (ko) * | 2003-03-21 | 2012-07-18 | 헤라에우스 테네보 게엠베하 | 모재의 제조를 위한 합성 실리카 글래스 튜브, 수직 인발공정을 이용한 합성 실리카 글래스 튜브의 제조방법 및상기 튜브의 이용 |
WO2006071865A2 (en) * | 2004-12-23 | 2006-07-06 | Nextrom Holding, S.A. | Method and apparatus for manufacturing an optical fiber core rod |
EP3718976A4 (en) * | 2017-12-01 | 2021-09-22 | Furukawa Electric Co. Ltd. | DEVICE FOR MANUFACTURING GLASS BODY, PROCESS FOR MANUFACTURING GLASS BODY, SOOT TRANSPORT MECHANISM AND SOOT HEATING MECHANISM |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933454A (en) * | 1974-04-22 | 1976-01-20 | Corning Glass Works | Method of making optical waveguides |
US4125388A (en) * | 1976-12-20 | 1978-11-14 | Corning Glass Works | Method of making optical waveguides |
JPS5688836A (en) * | 1979-12-20 | 1981-07-18 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of glass stock for optical fiber |
US4367085A (en) * | 1980-01-07 | 1983-01-04 | Nippon Telegraph & Telephone Public Corporation | Method of fabricating multi-mode optical fiber preforms |
US4304583A (en) * | 1980-06-02 | 1981-12-08 | Corning Glass Works | Process for drying optical waveguide preforms |
JPS5711842A (en) * | 1980-06-26 | 1982-01-21 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of base material for optical fiber and preparing apparatus |
JPS57140328A (en) * | 1981-02-20 | 1982-08-30 | Hitachi Ltd | Manufacture of base material for optical fiber |
US4378985A (en) * | 1981-06-04 | 1983-04-05 | Corning Glass Works | Method and apparatus for forming an optical waveguide fiber |
JPS58140336A (ja) * | 1982-02-12 | 1983-08-20 | Shin Etsu Chem Co Ltd | 光フアイバ−用母材の製造方法 |
JPS6046940A (ja) * | 1983-08-22 | 1985-03-14 | Furukawa Electric Co Ltd:The | 光学系ガラス母材の製造方法とその装置 |
JPS6148437A (ja) * | 1984-08-17 | 1986-03-10 | Sumitomo Electric Ind Ltd | GeO↓2−SiO↓2系ガラス母材の製造方法 |
-
1984
- 1984-09-19 JP JP59194793A patent/JPS6172644A/ja active Granted
-
1985
- 1985-06-19 AU AU43822/85A patent/AU574194B2/en not_active Ceased
- 1985-06-20 EP EP85107658A patent/EP0175067B1/en not_active Expired
- 1985-06-20 DE DE8585107658T patent/DE3565249D1/de not_active Expired
- 1985-06-25 US US06/748,561 patent/US4664690A/en not_active Expired - Fee Related
- 1985-07-29 KR KR1019850005439A patent/KR890003707B1/ko not_active IP Right Cessation
- 1985-07-30 CA CA000487795A patent/CA1238246A/en not_active Expired
- 1985-09-02 DK DK400585A patent/DK162384C/da active
Also Published As
Publication number | Publication date |
---|---|
EP0175067B1 (en) | 1988-09-28 |
JPS6172644A (ja) | 1986-04-14 |
EP0175067A1 (en) | 1986-03-26 |
DK162384B (da) | 1991-10-21 |
CA1238246A (en) | 1988-06-21 |
DK162384C (da) | 1992-03-23 |
US4664690A (en) | 1987-05-12 |
DE3565249D1 (en) | 1988-11-03 |
DK400585A (da) | 1986-03-20 |
AU4382285A (en) | 1986-03-27 |
DK400585D0 (da) | 1985-09-02 |
JPH05350B2 (ko) | 1993-01-05 |
KR890003707B1 (ko) | 1989-09-30 |
AU574194B2 (en) | 1988-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19960917 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |