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 fondueInfo
- 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
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
- C30B15/20—Controlling or regulating
- C30B15/22—Stabilisation or shape controlling of the molten zone near the pulled crystal; Controlling the section of the crystal
- C30B15/26—Stabilisation 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
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1004—Apparatus with means for measuring, testing, or sensing
- Y10T117/1012—Apparatus 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)
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 (xx) |
JP (1) | JPS5065479A (xx) |
BE (1) | BE820436A (xx) |
DE (1) | DE2349736A1 (xx) |
FR (1) | FR2246306A1 (xx) |
IT (1) | IT1022520B (xx) |
Families Citing this family (8)
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 |
CN114075693A (zh) * | 2020-08-14 | 2022-02-22 | 西安奕斯伟材料科技有限公司 | 一种二次投料的控制方法、系统及计算机存储介质 |
Family Cites Families (10)
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 |
-
1973
- 1973-10-03 DE DE19732349736 patent/DE2349736A1/de active Pending
-
1974
- 1974-09-27 BE BE148975A patent/BE820436A/xx unknown
- 1974-09-30 US US05/510,631 patent/US4014656A/en not_active Expired - Lifetime
- 1974-09-30 FR FR7432888A patent/FR2246306A1/fr not_active Withdrawn
- 1974-10-01 IT IT27949/74A patent/IT1022520B/it active
- 1974-10-03 JP JP49114293A patent/JPS5065479A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4014656A (en) | 1977-03-29 |
IT1022520B (it) | 1978-04-20 |
FR2246306A1 (xx) | 1975-05-02 |
DE2349736A1 (de) | 1975-04-24 |
JPS5065479A (xx) | 1975-06-03 |
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