GB1362739A - Non-crucible zone melting - Google Patents
Non-crucible zone meltingInfo
- Publication number
- GB1362739A GB1362739A GB5522772A GB5522772A GB1362739A GB 1362739 A GB1362739 A GB 1362739A GB 5522772 A GB5522772 A GB 5522772A GB 5522772 A GB5522772 A GB 5522772A GB 1362739 A GB1362739 A GB 1362739A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- sound
- zone
- sound generator
- melting
- 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
- 238000004857 zone melting Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 abstract 2
- 235000012431 wafers Nutrition 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 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
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 |
|---|---|---|---|
| DE19722204486 DE2204486A1 (de) | 1972-01-31 | 1972-01-31 | Verfahren zur beeinflussung des radialen widerstandsverlaufes beim herstellen eines halbleitereinkristallstabes durch tiegelfreies zonenschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1362739A true GB1362739A (en) | 1974-08-07 |
Family
ID=5834581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5522772A Expired GB1362739A (en) | 1972-01-31 | 1972-11-30 | Non-crucible zone melting |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4886705A (OSRAM) |
| DE (1) | DE2204486A1 (OSRAM) |
| FR (1) | FR2169959A1 (OSRAM) |
| GB (1) | GB1362739A (OSRAM) |
| IT (1) | IT971894B (OSRAM) |
| NL (1) | NL7213698A (OSRAM) |
-
1972
- 1972-01-31 DE DE19722204486 patent/DE2204486A1/de active Pending
- 1972-10-10 NL NL7213698A patent/NL7213698A/xx unknown
- 1972-11-30 GB GB5522772A patent/GB1362739A/en not_active Expired
- 1972-12-15 IT IT3294372A patent/IT971894B/it active
-
1973
- 1973-01-17 JP JP772273A patent/JPS4886705A/ja active Pending
- 1973-01-25 FR FR7302601A patent/FR2169959A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2204486A1 (de) | 1973-08-09 |
| NL7213698A (OSRAM) | 1973-08-02 |
| IT971894B (it) | 1974-05-10 |
| JPS4886705A (OSRAM) | 1973-11-15 |
| FR2169959A1 (OSRAM) | 1973-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |