IT8748412A0 - Procedimento per l'accrescimento di cristalli - Google Patents
Procedimento per l'accrescimento di cristalliInfo
- Publication number
- IT8748412A0 IT8748412A0 IT8748412A IT4841287A IT8748412A0 IT 8748412 A0 IT8748412 A0 IT 8748412A0 IT 8748412 A IT8748412 A IT 8748412A IT 4841287 A IT4841287 A IT 4841287A IT 8748412 A0 IT8748412 A0 IT 8748412A0
- Authority
- IT
- Italy
- Prior art keywords
- crystals
- growth
- procedure
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title 1
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
-
- 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
- C30B15/30—Mechanisms for rotating or moving either the melt or the crystal
- C30B15/305—Stirring of the melt
-
- 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
- Y10S117/917—Magnetic
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 |
---|---|---|---|
JP61227027A JPS6385087A (ja) | 1986-09-25 | 1986-09-25 | 結晶成長方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8748412A0 true IT8748412A0 (it) | 1987-09-23 |
IT1211796B IT1211796B (it) | 1989-11-03 |
Family
ID=16854367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8748412A IT1211796B (it) | 1986-09-25 | 1987-09-23 | Procedimento per l'accrescimento di cristalli |
Country Status (5)
Country | Link |
---|---|
US (1) | US4849065A (it) |
JP (1) | JPS6385087A (it) |
KR (1) | KR970007427B1 (it) |
DE (1) | DE3732250C2 (it) |
IT (1) | IT1211796B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5196085A (en) * | 1990-12-28 | 1993-03-23 | Massachusetts Institute Of Technology | Active magnetic flow control in Czochralski systems |
JP2623390B2 (ja) * | 1991-03-22 | 1997-06-25 | 信越半導体株式会社 | シリコン単結晶棒の成長方法 |
JP2567539B2 (ja) * | 1992-01-30 | 1996-12-25 | 信越半導体株式会社 | Fz法シリコン単結晶棒の成長方法及び装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3317819A (en) * | 1963-10-03 | 1967-05-02 | Earle C Brodie | Electronic hum and ripple filter |
US3550030A (en) * | 1968-11-29 | 1970-12-22 | Abex Corp | Transient regulation of direct current electrical power supplies |
US3551780A (en) * | 1968-12-05 | 1970-12-29 | Lambda Electronics Corp | Electronic ripple filter |
US3710148A (en) * | 1970-08-31 | 1973-01-09 | Hitachi Ltd | Ripple eliminating circuit |
US3859590A (en) * | 1973-07-30 | 1975-01-07 | Ibm | Waveform averaging rc circuit |
GB2059932B (en) * | 1979-09-20 | 1983-10-12 | Sony Corp | Solidification processes |
US4393441A (en) * | 1981-07-17 | 1983-07-12 | Enge Harald A | High voltage power supply |
JPS5850951A (ja) * | 1981-09-22 | 1983-03-25 | セイコーエプソン株式会社 | 歯列矯正用ブラケツト |
JPS6027682A (ja) * | 1983-07-26 | 1985-02-12 | Toshiba Corp | 単結晶引上装置 |
US4565671A (en) * | 1983-08-05 | 1986-01-21 | Kabushiki Kaisha Toshiba | Single crystal manufacturing apparatus |
JPS6051690A (ja) * | 1983-08-31 | 1985-03-23 | Toshiba Corp | 単結晶の製造装置 |
JPS60180990A (ja) * | 1984-02-24 | 1985-09-14 | Sumitomo Metal Ind Ltd | 結晶成長方法 |
JPS60155595A (ja) * | 1984-08-06 | 1985-08-15 | Sony Corp | 結晶の成長方法 |
-
1986
- 1986-09-25 JP JP61227027A patent/JPS6385087A/ja active Granted
-
1987
- 1987-09-19 KR KR1019870010392A patent/KR970007427B1/ko not_active IP Right Cessation
- 1987-09-23 IT IT8748412A patent/IT1211796B/it active
- 1987-09-24 DE DE3732250A patent/DE3732250C2/de not_active Expired - Lifetime
- 1987-09-25 US US07/100,969 patent/US4849065A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR880004140A (ko) | 1988-06-01 |
DE3732250C2 (de) | 1997-08-07 |
KR970007427B1 (ko) | 1997-05-08 |
JPS6385087A (ja) | 1988-04-15 |
JPH0559875B2 (it) | 1993-09-01 |
US4849065A (en) | 1989-07-18 |
IT1211796B (it) | 1989-11-03 |
DE3732250A1 (de) | 1988-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970923 |