IT7967405A0 - Procedimento per la fabbricazione di fibre ottiche per la trasmissione di informazioni - Google Patents
Procedimento per la fabbricazione di fibre ottiche per la trasmissione di informazioniInfo
- Publication number
- IT7967405A0 IT7967405A0 IT7967405A IT6740579A IT7967405A0 IT 7967405 A0 IT7967405 A0 IT 7967405A0 IT 7967405 A IT7967405 A IT 7967405A IT 6740579 A IT6740579 A IT 6740579A IT 7967405 A0 IT7967405 A0 IT 7967405A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacture
- transmission
- information
- optic fibers
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 239000000835 fiber Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 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
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2814380A DE2814380C3 (de) | 1978-04-04 | 1978-04-04 | Verfahren zur Herstellung optischer Glasfasern aus einem kollabierten Kieselglasrohr |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7967405A0 true IT7967405A0 (it) | 1979-02-23 |
| IT1164935B IT1164935B (it) | 1987-04-15 |
Family
ID=6036074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT67405/79A IT1164935B (it) | 1978-04-04 | 1979-02-23 | Procedimento per la fabbricazione di fibre ottiche per la trasmissione di informazioni |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4199335A (it) |
| JP (1) | JPS54151632A (it) |
| CA (1) | CA1128318A (it) |
| CH (1) | CH642753A5 (it) |
| DE (1) | DE2814380C3 (it) |
| FR (1) | FR2421850A1 (it) |
| GB (1) | GB2019383B (it) |
| IT (1) | IT1164935B (it) |
| NL (1) | NL7902459A (it) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4298364A (en) * | 1980-03-17 | 1981-11-03 | Corning Glass Works | Method of making optical fibers having improved core roundness |
| US4280829A (en) * | 1980-05-12 | 1981-07-28 | Corning Glass Works | Apparatus for controlling internal pressure of a bait tube |
| JPS57123836A (en) * | 1981-01-17 | 1982-08-02 | Nippon Telegr & Teleph Corp <Ntt> | Preparation optical fiber having single mode of internal stress and double refraction |
| ATE50759T1 (de) * | 1984-05-26 | 1990-03-15 | Rheydt Kabelwerk Ag | Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern. |
| ATE44379T1 (de) * | 1984-05-26 | 1989-07-15 | Rheydt Kabelwerk Ag | Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern. |
| 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 |
| US5055120A (en) * | 1987-12-15 | 1991-10-08 | Infrared Fiber Systems, Inc. | Fluoride glass fibers with reduced defects |
| FR2677972B1 (fr) * | 1991-06-21 | 1996-12-06 | France Telecom | Procede de fabrication de preformes pour fibres optiques et dispositif pour la mise en óoeuvre de ce procede. |
| DE19628958C2 (de) * | 1996-07-18 | 2000-02-24 | Heraeus Quarzglas | Verfahren zur Herstellung von Quarzglaskörpern |
| FR2776652B1 (fr) * | 1998-03-30 | 2000-04-28 | Alsthom Cge Alcatel | Procede ameliore de retreint d'une preforme de fibre optique |
| WO2002088039A1 (en) * | 2001-04-30 | 2002-11-07 | Intelcore Technologies, Inc. | Hybrid manufacturing process for optical fibers |
| KR100692652B1 (ko) * | 2001-11-05 | 2007-03-13 | 엘에스전선 주식회사 | 광섬유 프리폼 제조방법 |
| US6933171B2 (en) * | 2003-10-21 | 2005-08-23 | Intel Corporation | Large bumps for optical flip chips |
| NL1034058C2 (nl) * | 2007-06-29 | 2008-12-30 | Draka Comteq Bv | Werkwijze voor het vervaardigen van een voorvorm alsmede werkwijze voor het uit een dergelijke voorvorm vervaardigen van optische vezels. |
| EP2712848B1 (de) * | 2012-09-27 | 2017-11-29 | Heraeus Quarzglas GmbH & Co. KG | Wasserstoff unterstützte Fluorierung von Sootkörpern |
| GB201501308D0 (it) * | 2015-01-27 | 2015-03-11 | Knauf Insulation And Knauf Insulation Llc And Knauf Insulation Gmbh And Knauf Insulation Doo Skofja | |
| CN113227009B (zh) * | 2018-11-09 | 2024-06-11 | 康宁公司 | 用于熔垂工艺的具有残余应力和粘度性质的玻璃制品及其组合物 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1050833A (en) * | 1974-02-22 | 1979-03-20 | John B. Macchesney | Optical fiber fabrication involving homogeneous reaction within a moving hot zone |
| US4360250A (en) * | 1974-05-31 | 1982-11-23 | National Research Development Corp. | Optical waveguides |
| CA1034818A (en) * | 1975-04-16 | 1978-07-18 | Northern Electric Company Limited | Manufacture of optical fibres |
| DE2538313C3 (de) * | 1975-08-28 | 1981-11-05 | Heraeus Quarzschmelze Gmbh, 6450 Hanau | Verfahren zur Herstellung eines Vorproduktes für die Erzeugung eines optischen, selbstfokussierenden Lichtleiters |
| DE2741854B2 (de) * | 1976-09-20 | 1981-03-19 | Hitachi, Ltd., Tokyo | Verfahren zur Herstellung optischer Fasern |
-
1978
- 1978-04-04 DE DE2814380A patent/DE2814380C3/de not_active Expired
- 1978-09-12 US US05/941,692 patent/US4199335A/en not_active Expired - Lifetime
-
1979
- 1979-02-23 IT IT67405/79A patent/IT1164935B/it active
- 1979-03-28 CH CH285279A patent/CH642753A5/de not_active IP Right Cessation
- 1979-03-29 NL NL7902459A patent/NL7902459A/xx not_active Application Discontinuation
- 1979-04-03 CA CA324,794A patent/CA1128318A/en not_active Expired
- 1979-04-03 JP JP3940579A patent/JPS54151632A/ja active Pending
- 1979-04-04 GB GB7911724A patent/GB2019383B/en not_active Expired
- 1979-04-04 FR FR7908459A patent/FR2421850A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2019383A (en) | 1979-10-31 |
| CH642753A5 (de) | 1984-04-30 |
| DE2814380B2 (de) | 1981-01-29 |
| CA1128318A (en) | 1982-07-27 |
| JPS54151632A (en) | 1979-11-29 |
| FR2421850B1 (it) | 1983-11-18 |
| US4199335A (en) | 1980-04-22 |
| IT1164935B (it) | 1987-04-15 |
| DE2814380C3 (de) | 1982-07-08 |
| GB2019383B (en) | 1982-10-27 |
| DE2814380A1 (de) | 1979-10-18 |
| NL7902459A (nl) | 1979-10-08 |
| FR2421850A1 (fr) | 1979-11-02 |
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