CH653714A5 - Verfahren zur herstellung von silicium-einkristallen. - Google Patents
Verfahren zur herstellung von silicium-einkristallen. Download PDFInfo
- Publication number
- CH653714A5 CH653714A5 CH5763/81A CH576381A CH653714A5 CH 653714 A5 CH653714 A5 CH 653714A5 CH 5763/81 A CH5763/81 A CH 5763/81A CH 576381 A CH576381 A CH 576381A CH 653714 A5 CH653714 A5 CH 653714A5
- Authority
- CH
- Switzerland
- Prior art keywords
- silicon
- melt
- impurities
- crucible
- purity
- Prior art date
Links
- 229910052710 silicon Inorganic materials 0.000 title claims description 49
- 239000010703 silicon Substances 0.000 title claims description 49
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 46
- 239000013078 crystal Substances 0.000 title claims description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 claims description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 38
- 239000000155 melt Substances 0.000 claims description 30
- 239000012535 impurity Substances 0.000 claims description 29
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims description 15
- 239000000356 contaminant Substances 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims 2
- FRIKWZARTBPWBN-UHFFFAOYSA-N [Si].O=[Si]=O Chemical compound [Si].O=[Si]=O FRIKWZARTBPWBN-UHFFFAOYSA-N 0.000 claims 1
- 239000003245 coal Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 230000005012 migration Effects 0.000 claims 1
- 238000013508 migration Methods 0.000 claims 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 18
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 13
- 229910010271 silicon carbide Inorganic materials 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- 239000007787 solid Substances 0.000 description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 9
- 229910052750 molybdenum Inorganic materials 0.000 description 9
- 239000011733 molybdenum Substances 0.000 description 9
- 229910002804 graphite Inorganic materials 0.000 description 7
- 239000010439 graphite Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 150000003376 silicon Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- -1 aluminum Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical class Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 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
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
-
- 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
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/003—Heating or cooling of the melt or the crystallised material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/12—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Silicon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Electroplating Methods And Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19126080A | 1980-09-26 | 1980-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH653714A5 true CH653714A5 (de) | 1986-01-15 |
Family
ID=22704771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH5763/81A CH653714A5 (de) | 1980-09-26 | 1981-09-07 | Verfahren zur herstellung von silicium-einkristallen. |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5785667A (fr) |
| BE (1) | BE890508A (fr) |
| CA (1) | CA1193522A (fr) |
| CH (1) | CH653714A5 (fr) |
| DE (1) | DE3138227A1 (fr) |
| FR (1) | FR2491095B1 (fr) |
| GB (1) | GB2084978B (fr) |
| IT (1) | IT1144865B (fr) |
| NL (1) | NL8104333A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2908125B1 (fr) * | 2006-11-02 | 2009-11-20 | Commissariat Energie Atomique | Procede de purification de silicium metallurgique par solidification dirigee |
| TW201012988A (en) * | 2008-08-27 | 2010-04-01 | Bp Corp North America Inc | Gas recirculation heat exchanger for casting silicon |
| US20110180229A1 (en) * | 2010-01-28 | 2011-07-28 | Memc Singapore Pte. Ltd. (Uen200614794D) | Crucible For Use In A Directional Solidification Furnace |
| US20120248286A1 (en) | 2011-03-31 | 2012-10-04 | Memc Singapore Pte. Ltd. (Uen200614794D) | Systems For Insulating Directional Solidification Furnaces |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2933164A1 (de) * | 1979-08-16 | 1981-02-26 | Consortium Elektrochem Ind | Verfahren zum reinigen von rohsilicium |
-
1981
- 1981-08-26 GB GB8126055A patent/GB2084978B/en not_active Expired
- 1981-09-07 CH CH5763/81A patent/CH653714A5/de not_active IP Right Cessation
- 1981-09-16 IT IT68211/81A patent/IT1144865B/it active
- 1981-09-21 NL NL8104333A patent/NL8104333A/nl not_active Application Discontinuation
- 1981-09-25 JP JP56151930A patent/JPS5785667A/ja active Pending
- 1981-09-25 FR FR8118149A patent/FR2491095B1/fr not_active Expired
- 1981-09-25 DE DE19813138227 patent/DE3138227A1/de not_active Withdrawn
- 1981-09-25 BE BE0/206076A patent/BE890508A/fr not_active IP Right Cessation
- 1981-09-25 CA CA000386705A patent/CA1193522A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1144865B (it) | 1986-10-29 |
| NL8104333A (nl) | 1982-04-16 |
| FR2491095B1 (fr) | 1986-08-22 |
| FR2491095A1 (fr) | 1982-04-02 |
| JPS5785667A (en) | 1982-05-28 |
| GB2084978B (en) | 1984-07-04 |
| BE890508A (fr) | 1982-01-18 |
| DE3138227A1 (de) | 1982-07-22 |
| GB2084978A (en) | 1982-04-21 |
| CA1193522A (fr) | 1985-09-17 |
| IT8168211A0 (it) | 1981-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |