DE1961545C3 - Verfahren zum gerichtet Erstarrenlassen einer Schmelze - Google Patents
Verfahren zum gerichtet Erstarrenlassen einer SchmelzeInfo
- Publication number
- DE1961545C3 DE1961545C3 DE1961545A DE1961545A DE1961545C3 DE 1961545 C3 DE1961545 C3 DE 1961545C3 DE 1961545 A DE1961545 A DE 1961545A DE 1961545 A DE1961545 A DE 1961545A DE 1961545 C3 DE1961545 C3 DE 1961545C3
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- furnace
- solidification
- interface
- liquid
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 17
- 238000007711 solidification Methods 0.000 title claims description 16
- 230000008023 solidification Effects 0.000 title claims description 16
- 230000008569 process Effects 0.000 title claims description 5
- 239000000155 melt Substances 0.000 title claims description 3
- 239000000463 material Substances 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 11
- 239000007791 liquid phase Substances 0.000 claims description 7
- 239000007790 solid phase Substances 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000002631 hypothermal effect Effects 0.000 claims description 4
- 239000012071 phase Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims 4
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000010587 phase diagram Methods 0.000 claims 1
- 238000004781 supercooling Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 239000002826 coolant Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 241000272517 Anseriformes Species 0.000 description 1
- 241000022844 Praxis Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000003462 vein Anatomy 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
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/002—Crucibles or containers for supporting 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
- 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
- Y10T117/1008—Apparatus with means for measuring, testing, or sensing with responsive control means
-
- 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
- Y10T117/1092—Shape defined by a solid member other than seed or product [e.g., Bridgman-Stockbarger]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- General Preparation And Processing Of Foods (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR178906 | 1968-12-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1961545A1 DE1961545A1 (de) | 1970-07-30 |
| DE1961545B2 DE1961545B2 (de) | 1972-11-30 |
| DE1961545C3 true DE1961545C3 (de) | 1975-01-09 |
Family
ID=8658548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1961545A Expired DE1961545C3 (de) | 1968-12-18 | 1969-12-08 | Verfahren zum gerichtet Erstarrenlassen einer Schmelze |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3592455A (OSRAM) |
| BE (1) | BE741606A (OSRAM) |
| CH (1) | CH515070A (OSRAM) |
| DE (1) | DE1961545C3 (OSRAM) |
| ES (1) | ES374363A1 (OSRAM) |
| FR (1) | FR1598493A (OSRAM) |
| GB (1) | GB1244542A (OSRAM) |
| IL (1) | IL33413A0 (OSRAM) |
| NL (1) | NL6918967A (OSRAM) |
| SE (1) | SE361136B (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2597884B1 (fr) * | 1986-04-28 | 1994-03-18 | Commissariat A Energie Atomique | Procede et dispositif de controle en continu de la surfusion du front de solidification d'un monocristal en cours d'elaboration et application au controle de la croissance d'un crital |
| US5248377A (en) * | 1989-12-01 | 1993-09-28 | Grumman Aerospace Corporation | Crystal-growth furnace for interface curvature control |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1061527B (de) * | 1953-02-14 | 1959-07-16 | Siemens Ag | Verfahren zum zonenweisen Umschmelzen von Staeben und anderen langgestreckten Werkstuecken |
| DE1217926B (de) * | 1963-08-17 | 1966-06-02 | Siemens Ag | Verfahren zum Vermeiden von Streifen in Metall- oder Halbleiterkristallen |
-
1968
- 1968-12-18 FR FR178906A patent/FR1598493A/fr not_active Expired
-
1969
- 1969-11-13 BE BE741606D patent/BE741606A/xx unknown
- 1969-11-13 CH CH1690569A patent/CH515070A/fr not_active IP Right Cessation
- 1969-11-24 IL IL33413A patent/IL33413A0/xx unknown
- 1969-11-25 GB GB57613/69A patent/GB1244542A/en not_active Expired
- 1969-11-25 US US879761A patent/US3592455A/en not_active Expired - Lifetime
- 1969-12-08 DE DE1961545A patent/DE1961545C3/de not_active Expired
- 1969-12-09 ES ES374363A patent/ES374363A1/es not_active Expired
- 1969-12-17 NL NL6918967A patent/NL6918967A/xx unknown
- 1969-12-18 SE SE17522/69A patent/SE361136B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE361136B (OSRAM) | 1973-10-22 |
| DE1961545A1 (de) | 1970-07-30 |
| IL33413A0 (en) | 1970-02-19 |
| US3592455A (en) | 1971-07-13 |
| FR1598493A (OSRAM) | 1970-07-06 |
| GB1244542A (en) | 1971-09-02 |
| BE741606A (OSRAM) | 1970-04-16 |
| NL6918967A (OSRAM) | 1970-06-22 |
| DE1961545B2 (de) | 1972-11-30 |
| ES374363A1 (es) | 1973-03-16 |
| CH515070A (fr) | 1971-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |