FR2306173A1 - Procede de realisation d'elements comprenant des fibres cristallines alignees - Google Patents

Procede de realisation d'elements comprenant des fibres cristallines alignees

Info

Publication number
FR2306173A1
FR2306173A1 FR7609491A FR7609491A FR2306173A1 FR 2306173 A1 FR2306173 A1 FR 2306173A1 FR 7609491 A FR7609491 A FR 7609491A FR 7609491 A FR7609491 A FR 7609491A FR 2306173 A1 FR2306173 A1 FR 2306173A1
Authority
FR
France
Prior art keywords
elements including
aligned crystalline
making elements
crystalline fibers
including aligned
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.)
Granted
Application number
FR7609491A
Other languages
English (en)
Other versions
FR2306173B1 (fr
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Publication of FR2306173A1 publication Critical patent/FR2306173A1/fr
Application granted granted Critical
Publication of FR2306173B1 publication Critical patent/FR2306173B1/fr
Granted 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
    • C03B37/10—Non-chemical treatment
    • C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
    • C03B37/15—Re-forming fibres or filaments, i.e. changing their shape with heat application, e.g. for making optical fibres
    • 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
    • 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
    • C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0036—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents
    • C03C10/0045—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and a divalent metal oxide as main constituents containing SiO2, Al2O3 and MgO as main constituents
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/006—Glass-ceramics fibres
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
    • Y10S117/90—Apparatus characterized by composition or treatment thereof, e.g. surface finish, surface coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Glass Compositions (AREA)
FR7609491A 1975-04-02 1976-04-01 Procede de realisation d'elements comprenant des fibres cristallines alignees Granted FR2306173A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1345675A GB1475261A (en) 1975-04-02 1975-04-02 Siliceous materials

Publications (2)

Publication Number Publication Date
FR2306173A1 true FR2306173A1 (fr) 1976-10-29
FR2306173B1 FR2306173B1 (fr) 1982-08-20

Family

ID=10023307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7609491A Granted FR2306173A1 (fr) 1975-04-02 1976-04-01 Procede de realisation d'elements comprenant des fibres cristallines alignees

Country Status (3)

Country Link
US (1) US4060401A (fr)
FR (1) FR2306173A1 (fr)
GB (1) GB1475261A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492805A1 (fr) * 1980-10-28 1982-04-30 Asahi Glass Co Ltd Procede de production d'un verre cristallise a partir d'un verre de phosphate

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181515A (en) * 1974-09-24 1980-01-01 The Post Office Method of making dielectric optical waveguides
FR2368444A1 (fr) * 1976-10-19 1978-05-19 Thomson Csf Procede de fabrication de fibres de verre a gradient radial d'indice de refraction, pour le guidage d'ondes optiques
JPS5747741A (en) * 1980-09-01 1982-03-18 Nippon Sheet Glass Co Ltd Glass suitable for manufacturing fibrous wollastonite
US6260387B1 (en) * 1998-05-29 2001-07-17 Eastman Kodak Company Method for fabricating glass preforms for molding optical surfaces in glass elements
CN112573810A (zh) * 2020-11-23 2021-03-30 安徽有通玻璃有限公司 一种玻璃加工用冷却成型装置及其使用方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799836A (en) * 1971-03-18 1974-03-26 Imperial College Devitrified glass with fibrous crystals in parallel relationship
FR2208851A1 (fr) * 1972-12-04 1974-06-28 Battelle Memorial Institute

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2319816A (en) * 1938-10-29 1943-05-25 Polaroid Corp Light polarizer and process of manufacture
BE500569A (fr) * 1950-01-13
NL258961A (fr) * 1959-12-23
FR1259060A (fr) * 1960-03-12 1961-04-21 Saint Gobain Procédé et dispositifs pour le formage de verre en feuilles
DE1444530B2 (de) * 1962-12-12 1970-10-01 Siemens AG, 1000 Berlin u. 8000 München Verfahren und Vorrichtung zum Herstellen von stabförmigem, einkristallinen Halbleitermaterial
US3660062A (en) * 1968-02-29 1972-05-02 Siemens Ag Method for crucible-free floating zone melting a crystalline rod, especially of semi-crystalline material
US3798007A (en) * 1969-12-05 1974-03-19 Ibm Method and apparatus for producing large diameter monocrystals
US3944640A (en) * 1970-09-02 1976-03-16 Arthur D. Little, Inc. Method for forming refractory fibers by laser energy
US3960511A (en) * 1971-07-15 1976-06-01 Preussag Aktiengesellschaft Zone melting process
US3977934A (en) * 1975-01-02 1976-08-31 Motorola, Inc. Silicon manufacture

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3799836A (en) * 1971-03-18 1974-03-26 Imperial College Devitrified glass with fibrous crystals in parallel relationship
FR2208851A1 (fr) * 1972-12-04 1974-06-28 Battelle Memorial Institute

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492805A1 (fr) * 1980-10-28 1982-04-30 Asahi Glass Co Ltd Procede de production d'un verre cristallise a partir d'un verre de phosphate

Also Published As

Publication number Publication date
FR2306173B1 (fr) 1982-08-20
US4060401A (en) 1977-11-29
GB1475261A (en) 1977-06-01

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse