IT8121639A0 - Apparecchiatura per la fabbricazione di una guida d'onda ottica preformata. - Google Patents

Apparecchiatura per la fabbricazione di una guida d'onda ottica preformata.

Info

Publication number
IT8121639A0
IT8121639A0 IT8121639A IT2163981A IT8121639A0 IT 8121639 A0 IT8121639 A0 IT 8121639A0 IT 8121639 A IT8121639 A IT 8121639A IT 2163981 A IT2163981 A IT 2163981A IT 8121639 A0 IT8121639 A0 IT 8121639A0
Authority
IT
Italy
Prior art keywords
manufacture
equipment
wave guide
optical wave
preformed optical
Prior art date
Application number
IT8121639A
Other languages
English (en)
Other versions
IT1136995B (it
Inventor
Kalapi Dhirajlal Sheth
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Publication of IT8121639A0 publication Critical patent/IT8121639A0/it
Application granted granted Critical
Publication of IT1136995B publication Critical patent/IT1136995B/it

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
    • C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/04—Coating on selected surface areas, e.g. using masks
    • C23C16/045—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
IT21639/81A 1980-05-12 1981-05-12 Apparecchiatura per la fabbricazione di una guida d'onda ottica preformata IT1136995B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/148,953 US4280829A (en) 1980-05-12 1980-05-12 Apparatus for controlling internal pressure of a bait tube

Publications (2)

Publication Number Publication Date
IT8121639A0 true IT8121639A0 (it) 1981-05-12
IT1136995B IT1136995B (it) 1986-09-03

Family

ID=22528182

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21639/81A IT1136995B (it) 1980-05-12 1981-05-12 Apparecchiatura per la fabbricazione di una guida d'onda ottica preformata

Country Status (5)

Country Link
US (1) US4280829A (it)
DE (1) DE3118351A1 (it)
FR (1) FR2482081A1 (it)
GB (1) GB2076797B (it)
IT (1) IT1136995B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57100934A (en) * 1980-12-12 1982-06-23 Nippon Telegr & Teleph Corp <Ntt> Manufacturing of optical fiber preform
FR2504230A1 (fr) * 1981-04-21 1982-10-22 Lignes Telegraph Telephon Dispositif d'etancheite tournant et dispositif de fabrication de fibres optiques comportant un tel dispositif d'etancheite
US4412853A (en) * 1981-06-29 1983-11-01 Western Electric Company, Inc. Method of making optical waveguide fiber preform starter tubes
US4389229A (en) * 1981-10-01 1983-06-21 Western Electric Co., Inc. Methods and apparatus for fabricating a lightguide preform
DE3204846A1 (de) * 1982-02-11 1983-08-18 Schott Glaswerke, 6500 Mainz Plasmaverfahren zur innenbeschichtung von glasrohren
US4385915A (en) * 1982-03-01 1983-05-31 Bell Telephone Laboratories, Incorporated Removal of germanium from the effluent of processes for the production of optical components
IT1155119B (it) * 1982-03-05 1987-01-21 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la produzione di preforme per fibre ottiche
JPS60186429A (ja) * 1984-03-01 1985-09-21 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
JPS6140834A (ja) * 1984-07-31 1986-02-27 Furukawa Electric Co Ltd:The 光フアイバ母材の製造方法
JPS61254242A (ja) * 1985-05-01 1986-11-12 Sumitomo Electric Ind Ltd 原料供給装置
JPS61295248A (ja) * 1985-06-21 1986-12-26 Furukawa Electric Co Ltd:The 光フアイバ母材の製造装置
US4971614A (en) * 1988-09-29 1990-11-20 At&T Bell Laboratories Method and apparatus for making optical fiber preform rods
US5211730A (en) * 1989-12-15 1993-05-18 Sumitomo Electric Industries, Ltd. Method for heating glass body
JP2803510B2 (ja) * 1993-02-10 1998-09-24 住友電気工業株式会社 光ファイバ用ガラス母材の製造方法および装置
KR100288739B1 (ko) * 1997-01-20 2001-05-02 윤종용 광섬유모재제조방법
US6314765B1 (en) 1998-10-06 2001-11-13 Alcatel Method and apparatus for controlling the shape and position of a deformable object
US6502427B1 (en) 2000-10-31 2003-01-07 Alcatel Method and apparatus for controlling an outside diameter of a preform bait tube during a glass layer deposition process
KR100450928B1 (ko) * 2001-07-23 2004-10-02 삼성전자주식회사 수정된 화학기상 증착법을 이용한 광섬유 모재의 제조장치 및 방법
JP2005134469A (ja) * 2003-10-28 2005-05-26 Shin Etsu Chem Co Ltd 光ファイバ処理装置、処理方法及び光ファイバ
JP2006160561A (ja) * 2004-12-07 2006-06-22 Sumitomo Electric Ind Ltd 光ファイバ母材の製造方法及び光ファイバ母材
NL1033763C2 (nl) * 2007-04-26 2008-10-28 Draka Comteq Bv Inrichting en werkwijze voor het vervaardigen van een optische voorvorm.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134694A (en) * 1960-08-25 1964-05-26 Siemens Ag Apparatus for accurately controlling the production of semiconductor rods
FR2220475B1 (it) * 1973-03-08 1977-08-12 Quartz & Silice
JPS51146243A (en) * 1975-06-11 1976-12-15 Hitachi Ltd Process for manufacturing optical fiber
CA1090134A (en) * 1976-03-22 1980-11-25 Western Electric Company, Incorporated Fabrication of optical fibers with improved cross sectional circularity
GB1562032A (en) * 1977-03-24 1980-03-05 Standard Telephones Cables Ltd Optical fibre manufacture
GB1555562A (en) * 1977-04-04 1979-11-14 Gen Electric Co Ltd Manufacture of optical fibre preforms and optical optical fibre wavequides
DE2814380C3 (de) * 1978-04-04 1982-07-08 Schott Glaswerke, 6500 Mainz Verfahren zur Herstellung optischer Glasfasern aus einem kollabierten Kieselglasrohr
GB1603949A (en) * 1978-05-30 1981-12-02 Standard Telephones Cables Ltd Plasma deposit

Also Published As

Publication number Publication date
DE3118351A1 (de) 1982-06-24
GB2076797A (en) 1981-12-09
FR2482081B1 (it) 1984-12-21
US4280829A (en) 1981-07-28
IT1136995B (it) 1986-09-03
GB2076797B (en) 1983-09-07
FR2482081A1 (fr) 1981-11-13

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