JPS4857576A - - Google Patents
Info
- Publication number
- JPS4857576A JPS4857576A JP8751772A JP8751772A JPS4857576A JP S4857576 A JPS4857576 A JP S4857576A JP 8751772 A JP8751772 A JP 8751772A JP 8751772 A JP8751772 A JP 8751772A JP S4857576 A JPS4857576 A JP S4857576A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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)
- Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712143394 DE2143394A1 (de) | 1971-08-30 | 1971-08-30 | Verfahren und vorrichtung zur erzielung eines gleichmaessigen radialen widerstandsverlaufs beim herstellen eines halbleiterkristallstabes durch tiegelfreies zonenschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4857576A true JPS4857576A (de) | 1973-08-13 |
Family
ID=5818187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8751772A Pending JPS4857576A (de) | 1971-08-30 | 1972-08-30 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4857576A (de) |
| BE (1) | BE788181A (de) |
| DE (1) | DE2143394A1 (de) |
| FR (1) | FR2150935B1 (de) |
| GB (1) | GB1350166A (de) |
| IT (1) | IT964216B (de) |
| NL (1) | NL7208665A (de) |
-
1971
- 1971-08-30 DE DE19712143394 patent/DE2143394A1/de active Pending
-
1972
- 1972-06-23 NL NL7208665A patent/NL7208665A/xx unknown
- 1972-08-01 GB GB3577572A patent/GB1350166A/en not_active Expired
- 1972-08-24 IT IT2845372A patent/IT964216B/it active
- 1972-08-29 FR FR7230633A patent/FR2150935B1/fr not_active Expired
- 1972-08-30 BE BE788181A patent/BE788181A/xx unknown
- 1972-08-30 JP JP8751772A patent/JPS4857576A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2150935A1 (de) | 1973-04-13 |
| BE788181A (fr) | 1972-12-18 |
| NL7208665A (de) | 1973-03-02 |
| GB1350166A (en) | 1974-04-18 |
| DE2143394A1 (de) | 1973-03-08 |
| FR2150935B1 (de) | 1974-08-19 |
| IT964216B (it) | 1974-01-21 |