BE820436A - Dispositif de surveillance d'une installation de tirage de cristaux a partir d'une masse fondue - Google Patents

Dispositif de surveillance d'une installation de tirage de cristaux a partir d'une masse fondue

Info

Publication number
BE820436A
BE820436A BE148975A BE148975A BE820436A BE 820436 A BE820436 A BE 820436A BE 148975 A BE148975 A BE 148975A BE 148975 A BE148975 A BE 148975A BE 820436 A BE820436 A BE 820436A
Authority
BE
Belgium
Prior art keywords
monitoring device
crystal drawing
melted mass
drawing plant
plant
Prior art date
Application number
BE148975A
Other languages
English (en)
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 filed Critical
Publication of BE820436A publication Critical patent/BE820436A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-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
    • C30B15/00Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/20Controlling or regulating
    • C30B15/22Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
    • C30B15/26Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal using television detectors; using photo or X-ray detectors
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T117/00Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
    • Y10T117/10Apparatus
    • Y10T117/1004Apparatus with means for measuring, testing, or sensing
    • Y10T117/1012Apparatus with means for measuring, testing, or sensing with a window or port for visual observation or examination

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
BE148975A 1973-10-03 1974-09-27 Dispositif de surveillance d'une installation de tirage de cristaux a partir d'une masse fondue BE820436A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732349736 DE2349736A1 (de) 1973-10-03 1973-10-03 Ueberwachungseinrichtung fuer eine vorrichtung zum ziehen von kristallen aus der schmelze

Publications (1)

Publication Number Publication Date
BE820436A true BE820436A (fr) 1975-01-16

Family

ID=5894451

Family Applications (1)

Application Number Title Priority Date Filing Date
BE148975A BE820436A (fr) 1973-10-03 1974-09-27 Dispositif de surveillance d'une installation de tirage de cristaux a partir d'une masse fondue

Country Status (6)

Country Link
US (1) US4014656A (fr)
JP (1) JPS5065479A (fr)
BE (1) BE820436A (fr)
DE (1) DE2349736A1 (fr)
FR (1) FR2246306A1 (fr)
IT (1) IT1022520B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242589A (en) * 1979-01-15 1980-12-30 Mobil Tyco Solar Energy Corporation Apparatus for monitoring crystal growth
US4561776A (en) * 1981-03-25 1985-12-31 Diffracto Ltd. Electro-optical sensors for tool and robotic inspection
DE139157T1 (de) * 1983-08-31 1985-11-07 Research Development Corp. Of Japan, Tokio/Tokyo Vorrichtung zur zuechtung von einkristallinen zersetzbaren verbindungen.
JPH0688868B2 (ja) * 1985-01-19 1994-11-09 住友電気工業株式会社 揮発性化合物半導体単結晶の製造方法
US4971650A (en) * 1989-09-22 1990-11-20 Westinghouse Electric Corp. Method of inhibiting dislocation generation in silicon dendritic webs
JPH0774117B2 (ja) * 1989-10-20 1995-08-09 信越半導体株式会社 ヒータの温度パターン作成方法及びこの温度パターンを用いたSi単結晶育成制御装置
KR101554394B1 (ko) * 2013-12-19 2015-09-18 주식회사 엘지실트론 잉곳의 성장공정을 관찰하기 위한 뷰 포트 및 이를 포함하는 잉곳성장장치

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2912321A (en) * 1956-09-04 1959-11-10 Helen E Brennan Continuous casting and refining of material
GB823164A (en) * 1956-11-27 1959-11-04 John Reginald Platt Improvements in or relating to optical pyrometers
US3051038A (en) * 1958-10-21 1962-08-28 Honeywell Regulator Co Temperature measuring apparatus
US3051035A (en) * 1960-05-17 1962-08-28 American Optical Corp Flexible pyroscopes
US3291650A (en) * 1963-12-23 1966-12-13 Gen Motors Corp Control of crystal size
FR1522416A (fr) * 1967-03-14 1968-04-26 Comp Generale Electricite Perfectionnements au procédé d'obtention de cristaux par tirage
US3692499A (en) * 1970-08-31 1972-09-19 Texas Instruments Inc Crystal pulling system
US3718757A (en) * 1970-12-29 1973-02-27 Ibm Temperature monitoring
CA943368A (en) * 1971-02-05 1974-03-12 Stanislaw M. Veltze Device for measuring temperature of molten metal
US3865554A (en) * 1971-09-23 1975-02-11 Little Inc A Pressure-and temperature-controlled apparatus for large-scale production of crystals by the czochralski technique

Also Published As

Publication number Publication date
DE2349736A1 (de) 1975-04-24
JPS5065479A (fr) 1975-06-03
IT1022520B (it) 1978-04-20
FR2246306A1 (fr) 1975-05-02
US4014656A (en) 1977-03-29

Similar Documents

Publication Publication Date Title
BE810414A (fr) Dispositif de recherche automatique des elements caracteristiques d'une trame binaire a multiplexage de temps
BE833929A (fr) Dispositif de surveillance des installations d'ascenseur
FR2281719A1 (fr) Distributeur goutte a goutte pour installation d'irrigation goutte a goutte
BE754666A (fr) Procede et dispositif pour la production de granules a partir d'une masse fondue
FR2285785A1 (fr) Procede pour la realisation d'un dispositif presentant une configuration conductrice
FR2278817A1 (fr) Dispositif d'alimentation en fil pour metier de bonneterie
BE855197A (fr) Dispositif de formation de gouttes pour installation d'arrosage par egouttement
BE820436A (fr) Dispositif de surveillance d'une installation de tirage de cristaux a partir d'une masse fondue
BE866924A (fr) Procede et dispositif pour la surveillance sequentielle des conditions de fonctionnement d'une machine afiler a anneaux
FR2282230A1 (fr) Dispositif de separation pour machine d'ecorchage
BE809589A (fr) Dispositif d'assemblage pour caisses demontables
FR2502515B1 (fr) Dispositif de vibration, notamment pour un crible
FR2325724A1 (fr) Dispositif de changement d'electrodes pour installation de refusion sous laitier
BE750515A (fr) Procede de filage a l'etat fondu
SE389763B (sv) Forfarande vid tillverkning av ett tyristorelement for minskning av elementets franslagstid utan nagon okning av dess framspenningsfall
FR2274688A1 (fr) Dispositif d'obtention de cristaux de sucre a partir d'une solution de sucre
BE807280A (fr) Dispositif separateur pour arracheuses de pommes de terre
BE818974R (fr) Procede de dispositif de fonctionnement d'une machine synchroneautopilotee
LU80337A1 (fr) Procede de filage de masse fondue
BE817319A (fr) Procede et dispositif de decalaminage d'un fil metallique
FR2342110A1 (fr) Dispositif pour separer la fausse barre de la barre chaude dans une installation de coulee continue
FR2341672A1 (fr) Procede et dispositif pour produire des filaments synthetiques a partir de masses fondues
BE867976A (fr) Debitmetre pour installation de traite mecanique
IT8419564A0 (it) Dispositivo per coltivare un monocristallo da un crogiuolo.
FR2301297A1 (fr) Procede d'obtention de monocristaux de beryl a partir d'un sel fondu