FR2357302A1 - Dispositif de tirage d'un monocristal a partir d'un bain en fusion - Google Patents

Dispositif de tirage d'un monocristal a partir d'un bain en fusion

Info

Publication number
FR2357302A1
FR2357302A1 FR7620442A FR7620442A FR2357302A1 FR 2357302 A1 FR2357302 A1 FR 2357302A1 FR 7620442 A FR7620442 A FR 7620442A FR 7620442 A FR7620442 A FR 7620442A FR 2357302 A1 FR2357302 A1 FR 2357302A1
Authority
FR
France
Prior art keywords
monocristal
fusion bath
single crystal
pulling
bath
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
FR7620442A
Other languages
English (en)
Other versions
FR2357302B1 (fr
Inventor
Pierre Bochet
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Priority to FR7620442A priority Critical patent/FR2357302A1/fr
Priority to BE1008189A priority patent/BE855611A/fr
Priority to GB24591/77A priority patent/GB1533509A/en
Priority to IT24704/77A priority patent/IT1080678B/it
Priority to NLAANVRAGE7706926,A priority patent/NL187170C/xx
Priority to DE2729176A priority patent/DE2729176C2/de
Publication of FR2357302A1 publication Critical patent/FR2357302A1/fr
Application granted granted Critical
Publication of FR2357302B1 publication Critical patent/FR2357302B1/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
    • C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/32—Seed holders, e.g. chucks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/121—Control of position or direction using feedback using synchromachines (selsyns)
    • G05D3/122—Control of position or direction using feedback using synchromachines (selsyns) without modulation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1418—Control of position or direction using feedback using an analogue comparing device with ac amplifier chain
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1436—Control of position or direction using feedback using an analogue comparing device with fine or coarse devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

L'invention concerne un dispositif de tirage d'un monocristal à partir d'un bain en fusion. Ce dispositif comporte notamment une liaison élastique 6 entre une barre de tirage 1 et le support d'un germe du monocristal Cette liaison comporte un dispositif de blocage 5. Application au tirage des monocristaux de perovskite d'yttrium-aluminium.
FR7620442A 1976-07-05 1976-07-05 Dispositif de tirage d'un monocristal a partir d'un bain en fusion Granted FR2357302A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7620442A FR2357302A1 (fr) 1976-07-05 1976-07-05 Dispositif de tirage d'un monocristal a partir d'un bain en fusion
BE1008189A BE855611A (fr) 1976-07-05 1977-06-13 Dispositif de tirage d'un monocristal a partir d'un bain en fusion
GB24591/77A GB1533509A (en) 1976-07-05 1977-06-13 Device for pulling a monocrystal from a melt
IT24704/77A IT1080678B (it) 1976-07-05 1977-06-15 Dispositivo di estrazione di un monocristallo a partiere da un bagno in fusione
NLAANVRAGE7706926,A NL187170C (nl) 1976-07-05 1977-06-22 Inrichting voor het trekken van een eenkristal uit een gesmolten bad.
DE2729176A DE2729176C2 (de) 1976-07-05 1977-06-28 Vorrichtung zum Ziehen eines Einkristalls aus einer Schmelze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7620442A FR2357302A1 (fr) 1976-07-05 1976-07-05 Dispositif de tirage d'un monocristal a partir d'un bain en fusion

Publications (2)

Publication Number Publication Date
FR2357302A1 true FR2357302A1 (fr) 1978-02-03
FR2357302B1 FR2357302B1 (fr) 1978-12-15

Family

ID=9175230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7620442A Granted FR2357302A1 (fr) 1976-07-05 1976-07-05 Dispositif de tirage d'un monocristal a partir d'un bain en fusion

Country Status (6)

Country Link
BE (1) BE855611A (fr)
DE (1) DE2729176C2 (fr)
FR (1) FR2357302A1 (fr)
GB (1) GB1533509A (fr)
IT (1) IT1080678B (fr)
NL (1) NL187170C (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102933A (en) * 1990-05-22 1992-04-07 Witco Corporation Polyvinylchloride composition and stabilizers therefor
DE19758945B3 (de) * 1996-09-03 2012-09-06 Sumitomo Mitsubishi Silicon Corp. Vorrichtung zum Ziehen von Einkristallen
CN105541308B (zh) * 2016-01-23 2018-06-01 胡海波 一种高增透蓝宝石晶棒制造设备及制造工艺

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
BE855611A (fr) 1977-12-13
NL7706926A (nl) 1978-01-09
FR2357302B1 (fr) 1978-12-15
NL187170C (nl) 1991-06-17
NL187170B (nl) 1991-01-16
DE2729176A1 (de) 1978-01-19
DE2729176C2 (de) 1986-01-16
GB1533509A (en) 1978-11-29
IT1080678B (it) 1985-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse