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
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
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)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
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)
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)
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 |
-
1980
- 1980-05-12 US US06/148,953 patent/US4280829A/en not_active Expired - Lifetime
-
1981
- 1981-05-06 GB GB8113797A patent/GB2076797B/en not_active Expired
- 1981-05-08 DE DE19813118351 patent/DE3118351A1/de not_active Withdrawn
- 1981-05-11 FR FR8109317A patent/FR2482081A1/fr active Granted
- 1981-05-12 IT IT21639/81A patent/IT1136995B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2076797A (en) | 1981-12-09 |
FR2482081B1 (it) | 1984-12-21 |
DE3118351A1 (de) | 1982-06-24 |
IT1136995B (it) | 1986-09-03 |
GB2076797B (en) | 1983-09-07 |
FR2482081A1 (fr) | 1981-11-13 |
US4280829A (en) | 1981-07-28 |
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