FR2282667A1 - Procede et dispositif pour la regulation d'un bain de matiere fondue, notamment en vue d'une solidification dirigee - Google Patents

Procede et dispositif pour la regulation d'un bain de matiere fondue, notamment en vue d'une solidification dirigee

Info

Publication number
FR2282667A1
FR2282667A1 FR7428762A FR7428762A FR2282667A1 FR 2282667 A1 FR2282667 A1 FR 2282667A1 FR 7428762 A FR7428762 A FR 7428762A FR 7428762 A FR7428762 A FR 7428762A FR 2282667 A1 FR2282667 A1 FR 2282667A1
Authority
FR
France
Prior art keywords
bath
regulated
advancing
zone
control parameter
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
FR7428762A
Other languages
English (en)
Other versions
FR2282667B1 (fr
Inventor
Jean-Michel Quenisset
Roger Naslain
Paul Hagenmuller
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7428762A priority Critical patent/FR2282667A1/fr
Priority to DE19752537048 priority patent/DE2537048A1/de
Priority to JP10026475A priority patent/JPS5149173A/ja
Publication of FR2282667A1 publication Critical patent/FR2282667A1/fr
Priority to US05/785,184 priority patent/US4176002A/en
Application granted granted Critical
Publication of FR2282667B1 publication Critical patent/FR2282667B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B21/00—Unidirectional solidification of eutectic materials
    • C30B21/02—Unidirectional solidification of eutectic materials by normal casting or gradient freezing
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/28—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/20—Controlling or regulating
    • C30B15/22—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
    • C30B15/24—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal using mechanical means, e.g. shaping guides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Silicon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR7428762A 1974-08-21 1974-08-21 Procede et dispositif pour la regulation d'un bain de matiere fondue, notamment en vue d'une solidification dirigee Granted FR2282667A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7428762A FR2282667A1 (fr) 1974-08-21 1974-08-21 Procede et dispositif pour la regulation d'un bain de matiere fondue, notamment en vue d'une solidification dirigee
DE19752537048 DE2537048A1 (de) 1974-08-21 1975-08-20 Verfahren zur regelung eines schmelzzonenbades und vorrichtung hierfuer
JP10026475A JPS5149173A (ja) 1974-08-21 1975-08-20 Yojuzairyonoyokuoseigyosuruhoho oyobisochi
US05/785,184 US4176002A (en) 1974-08-21 1977-04-06 Controlling the melt temperature during zone refining and Czochralski crystal growth by sensing the viscous torque of the melt zone during operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7428762A FR2282667A1 (fr) 1974-08-21 1974-08-21 Procede et dispositif pour la regulation d'un bain de matiere fondue, notamment en vue d'une solidification dirigee

Publications (2)

Publication Number Publication Date
FR2282667A1 true FR2282667A1 (fr) 1976-03-19
FR2282667B1 FR2282667B1 (fr) 1979-01-05

Family

ID=9142511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428762A Granted FR2282667A1 (fr) 1974-08-21 1974-08-21 Procede et dispositif pour la regulation d'un bain de matiere fondue, notamment en vue d'une solidification dirigee

Country Status (3)

Country Link
JP (1) JPS5149173A (fr)
DE (1) DE2537048A1 (fr)
FR (1) FR2282667A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476691A1 (fr) * 1980-02-26 1981-08-28 Bo Ermano Procede et moyens d'elaboration et de traitement des composites eutectiques et eutectoides

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504937A (fr) * 1973-03-24 1975-01-20
JPS58145472A (ja) * 1982-02-22 1983-08-30 Seiko Epson Corp シリアルプリンタ−
DE3718260A1 (de) * 1987-05-30 1988-12-08 Kernforschungsanlage Juelich Verfahren und vorrichtung zur ermittlung einer bestimmungsgroesse fuer den uebergangsbereich zwischen schmelze und kristall
JPH04214090A (ja) * 1990-12-11 1992-08-05 Isamu Hanada 浮遊帯域精製装置の制御方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476691A1 (fr) * 1980-02-26 1981-08-28 Bo Ermano Procede et moyens d'elaboration et de traitement des composites eutectiques et eutectoides
EP0034995A1 (fr) * 1980-02-26 1981-09-02 Bo, Ermanno Dispositif et son utilisation pour l'élaboration et le traitement des composites eutectiques et eutectoides
US4372781A (en) * 1980-02-26 1983-02-08 Ermano Bo Method and apparatus for treating eutectic and eutectoid compositions

Also Published As

Publication number Publication date
JPS5149173A (ja) 1976-04-28
FR2282667B1 (fr) 1979-01-05
DE2537048A1 (de) 1976-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse