IT7920470A0 - Procedimento per formare una zona fusa stabile nella fusione a zone, senza crogiuolo, di una barra dimateriale semiconduttore cristallino. - Google Patents
Procedimento per formare una zona fusa stabile nella fusione a zone, senza crogiuolo, di una barra dimateriale semiconduttore cristallino.Info
- Publication number
- IT7920470A0 IT7920470A0 IT7920470A IT2047079A IT7920470A0 IT 7920470 A0 IT7920470 A0 IT 7920470A0 IT 7920470 A IT7920470 A IT 7920470A IT 2047079 A IT2047079 A IT 2047079A IT 7920470 A0 IT7920470 A0 IT 7920470A0
- Authority
- IT
- Italy
- Prior art keywords
- zone
- crucible
- procedure
- bar
- forming
- Prior art date
Links
- 239000000463 material Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000004065 semiconductor Substances 0.000 title 1
- 238000004857 zone melting Methods 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
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
- C30B13/28—Controlling or regulating
- C30B13/30—Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; 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
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
- C30B13/16—Heating of the molten zone
- C30B13/20—Heating of the molten zone by induction, e.g. hot wire technique
-
- 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
- Y10T117/1024—Apparatus for crystallization from liquid or supercritical state
- Y10T117/1076—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone
- Y10T117/1084—Apparatus for crystallization from liquid or supercritical state having means for producing a moving solid-liquid-solid zone having details of a stabilizing feature
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2808401A DE2808401C3 (de) | 1978-02-27 | 1978-02-27 | Verfahren zum Einstellen einer stabilen Schmelzzone beim tiegelfreien Zonenschmelzen eines Halbleiterkristallstabes |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7920470A0 true IT7920470A0 (it) | 1979-02-23 |
IT1111796B IT1111796B (it) | 1986-01-13 |
Family
ID=6033063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20470/79A IT1111796B (it) | 1978-02-27 | 1979-02-23 | Procedimento per formare una zona fusa stabile nella fusione a zone,senza crogiuolo,di una barra di materiale semiconduttore cristallino |
Country Status (4)
Country | Link |
---|---|
US (1) | US4436578A (it) |
JP (1) | JPS54123586A (it) |
DE (1) | DE2808401C3 (it) |
IT (1) | IT1111796B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3333960A1 (de) * | 1983-09-20 | 1985-04-04 | Wacker-Chemitronic Gesellschaft für Elektronik-Grundstoffe mbH, 8263 Burghausen | Verfahren zur herstellung von versetzungsfreien einkristallstaeben aus silicium |
US5409892A (en) * | 1988-06-02 | 1995-04-25 | Sumitomo Electric Industries, Ltd. | Method of maufacturing superconductor of ceramics superconductive material |
JPH0280779U (it) * | 1988-12-09 | 1990-06-21 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4991003A (it) * | 1972-12-26 | 1974-08-30 |
-
1978
- 1978-02-27 DE DE2808401A patent/DE2808401C3/de not_active Expired
-
1979
- 1979-02-23 IT IT20470/79A patent/IT1111796B/it active
- 1979-02-27 JP JP2249479A patent/JPS54123586A/ja active Granted
-
1981
- 1981-02-03 US US06/231,028 patent/US4436578A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT1111796B (it) | 1986-01-13 |
JPS54123586A (en) | 1979-09-25 |
DE2808401B2 (de) | 1983-06-16 |
JPH0250077B2 (it) | 1990-11-01 |
US4436578A (en) | 1984-03-13 |
DE2808401C3 (de) | 1984-07-19 |
DE2808401A1 (de) | 1979-08-30 |
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