JPS57170900A - Heating coil for growing single crystal - Google Patents
Heating coil for growing single crystalInfo
- Publication number
- JPS57170900A JPS57170900A JP5524081A JP5524081A JPS57170900A JP S57170900 A JPS57170900 A JP S57170900A JP 5524081 A JP5524081 A JP 5524081A JP 5524081 A JP5524081 A JP 5524081A JP S57170900 A JPS57170900 A JP S57170900A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- winding
- symmetry
- horizontal plane
- same horizontal
- 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.)
- Pending
Links
Landscapes
- General Induction Heating (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
PURPOSE: To improve the symmertry of the temp. distribution of a device for growing a single crystal with high frequency heating by holding more than half of the winding of a coil on the same horizontal plane with ends of the coil.
CONSTITUTION: In a coil composed of a lead wire 1, ends 2 and a winding part 3, one or both of the ends 2 hold more than half of the winding part 3 on the almost same horizontal plane, so the influence of the upper and lower ends of the coil due to the termination of the coil on the symmetry of a magnetic field is minimized, and lines 6 of magnetic force produced by an electric current 5 have enhanced symmetry. In the figure, 4 is a section of the coil. Accordingly, the symmetry of the internal temp. distribution of a furnace heated with the high frequency magnetic field is enhanced. It is effective that the inclined part 7 is made oblique or perpendicular even at the intermediate part and the part 7 is held on the same horizontal plane every winding.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5524081A JPS57170900A (en) | 1981-04-13 | 1981-04-13 | Heating coil for growing single crystal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5524081A JPS57170900A (en) | 1981-04-13 | 1981-04-13 | Heating coil for growing single crystal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57170900A true JPS57170900A (en) | 1982-10-21 |
Family
ID=12993073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5524081A Pending JPS57170900A (en) | 1981-04-13 | 1981-04-13 | Heating coil for growing single crystal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57170900A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017105681A (en) * | 2015-12-11 | 2017-06-15 | トヨタ自動車株式会社 | SiC SINGLE CRYSTAL MANUFACTURING APPARATUS |
-
1981
- 1981-04-13 JP JP5524081A patent/JPS57170900A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017105681A (en) * | 2015-12-11 | 2017-06-15 | トヨタ自動車株式会社 | SiC SINGLE CRYSTAL MANUFACTURING APPARATUS |
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