GB1440178A - Methods for the manufacturing of preforms for the drawing of glass fibres - Google Patents

Methods for the manufacturing of preforms for the drawing of glass fibres

Info

Publication number
GB1440178A
GB1440178A GB795775A GB795775A GB1440178A GB 1440178 A GB1440178 A GB 1440178A GB 795775 A GB795775 A GB 795775A GB 795775 A GB795775 A GB 795775A GB 1440178 A GB1440178 A GB 1440178A
Authority
GB
United Kingdom
Prior art keywords
glass
core
preform
groove
cladding
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB795775A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1440178A publication Critical patent/GB1440178A/en
Expired legal-status Critical Current

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
    • 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
    • C03B37/01291—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by progressive melting, e.g. melting glass powder during delivery to and adhering the so-formed melt to a target or preform, e.g. the Plasma Oxidation Deposition [POD] process
    • C03B37/01297—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by progressive melting, e.g. melting glass powder during delivery to and adhering the so-formed melt to a target or preform, e.g. the Plasma Oxidation Deposition [POD] process by melting glass powder in a mould
    • 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]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
GB795775A 1974-02-28 1975-02-26 Methods for the manufacturing of preforms for the drawing of glass fibres Expired GB1440178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2409673A DE2409673A1 (de) 1974-02-28 1974-02-28 Verfahren zur herstellung eines ausgangskoerpers zum ziehen von glasfasern

Publications (1)

Publication Number Publication Date
GB1440178A true GB1440178A (en) 1976-06-23

Family

ID=5908722

Family Applications (1)

Application Number Title Priority Date Filing Date
GB795775A Expired GB1440178A (en) 1974-02-28 1975-02-26 Methods for the manufacturing of preforms for the drawing of glass fibres

Country Status (5)

Country Link
US (1) US3980461A (en, 2012)
JP (1) JPS50122944A (en, 2012)
DE (1) DE2409673A1 (en, 2012)
FR (1) FR2262648B1 (en, 2012)
GB (1) GB1440178A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0137530A1 (de) * 1983-08-16 1985-04-17 Philips Patentverwaltung GmbH Stablinse aus mehreren Glasschichten
ES2273575A1 (es) * 2005-06-01 2007-05-01 Rafael Velasco Santamaria Procedimiento de acabado en la decoracion de vidrio fundido.

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52113757A (en) * 1976-03-22 1977-09-24 Nippon Telegr & Teleph Corp <Ntt> Manufacture of optical circuit
JPS5650482Y2 (en, 2012) * 1977-03-14 1981-11-26
JPS5443750A (en) * 1977-09-13 1979-04-06 Nippon Telegr & Teleph Corp <Ntt> Directive coupler for optical fibers and production therefor
JPS55108602A (en) * 1979-02-13 1980-08-21 Nippon Telegr & Teleph Corp <Ntt> Production of optical branch coupler for communication
EP0089498B1 (de) * 1980-04-30 1986-08-27 Siemens Aktiengesellschaft Verfahren zum Herstellen einer Mehrkern-Glasfaser für Lichtwellenleiterzwecke
DE3206178A1 (de) * 1982-02-20 1983-08-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind
US4549891A (en) * 1984-02-23 1985-10-29 Polaroid Corporation Method for forming a non-symmetrical optical fiber
US4740266A (en) * 1985-07-01 1988-04-26 Wu Jiun Tsong Method of making memory devices
US4781789A (en) * 1985-07-01 1988-11-01 Wu Jiun Tsong Method of making memory devices
US4795528A (en) * 1985-07-01 1989-01-03 Wu Jiun Tsong Method of making memory devices
US4781790A (en) * 1985-07-01 1988-11-01 Wu Jiun Tsong Method of making memory devices
US4783236A (en) * 1985-07-01 1988-11-08 Wu Jiun Tsong Method of making memory devices
US5185021A (en) * 1989-09-29 1993-02-09 Hoya Corporation Method of manufacturing preform for nonoxide glass fiber
DE19848083C2 (de) * 1998-10-19 2001-02-01 Fraunhofer Ges Forschung Verfahren zur Herstellung von Interferenzschichtfolgen, System aus übereinander liegenden Interferenzschichtfolgen sowie Interferenzschichtfolge
US20020020193A1 (en) * 1999-12-01 2002-02-21 Tadakatsu Shimada Method for manufacturing base material for optical fiber, apparatus therefor, and base material manufactured by the same
US20040028336A1 (en) * 2001-09-04 2004-02-12 Feuer Mark D. Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides
US20030059195A1 (en) * 2001-08-29 2003-03-27 Brennan James F. Optical devices using shaped optical fibers and methods for making optical devices with shaped optical fibers
US20090252468A1 (en) * 2005-04-26 2009-10-08 The Furukawa Electric Co, Ltd. Optical fiber preform including a non-axisymmetric cross section

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2035827A (en) * 1933-05-27 1936-03-31 Bausch & Lomb Method and means for making multifocal lenses
US2054166A (en) * 1934-02-24 1936-09-15 Bausch & Lomb Method of making lenses
US2053551A (en) * 1934-03-03 1936-09-08 United Kingdom Optical Company Multifocal lens and method of making the same
US3278283A (en) * 1963-04-12 1966-10-11 American Optical Corp Method of making light-conducting optical component
US3455667A (en) * 1966-05-06 1969-07-15 American Optical Corp Method of making optical couplers
US3455668A (en) * 1966-05-25 1969-07-15 American Optical Corp Method of making optical coupling devices
US3542535A (en) * 1967-11-15 1970-11-24 Bausch & Lomb Multi-focal lens with index gradient
US3647406A (en) * 1968-11-04 1972-03-07 Bell Telephone Labor Inc Method of achieving surface refractive index changes in a glass light guide element
US3771983A (en) * 1971-06-24 1973-11-13 Varian Associates Method for fabrication of precision miniature glass circuits
US3831466A (en) * 1972-02-08 1974-08-27 J Hicks Glass blade and glass blade blank
US3879182A (en) * 1974-02-04 1975-04-22 American Optical Corp Method of making minature prisms

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0137530A1 (de) * 1983-08-16 1985-04-17 Philips Patentverwaltung GmbH Stablinse aus mehreren Glasschichten
ES2273575A1 (es) * 2005-06-01 2007-05-01 Rafael Velasco Santamaria Procedimiento de acabado en la decoracion de vidrio fundido.
ES2273575B1 (es) * 2005-06-01 2008-04-01 Rafael Velasco Santamaria Procedimiento de acabado en la decoracion de vidrio fundido.

Also Published As

Publication number Publication date
DE2409673A1 (de) 1975-09-11
FR2262648A1 (en, 2012) 1975-09-26
JPS50122944A (en, 2012) 1975-09-26
US3980461A (en) 1976-09-14
FR2262648B1 (en, 2012) 1977-04-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee