JPS5673692A - Single crystal manufacturing apparatus - Google Patents
Single crystal manufacturing apparatusInfo
- Publication number
- JPS5673692A JPS5673692A JP14837379A JP14837379A JPS5673692A JP S5673692 A JPS5673692 A JP S5673692A JP 14837379 A JP14837379 A JP 14837379A JP 14837379 A JP14837379 A JP 14837379A JP S5673692 A JPS5673692 A JP S5673692A
- Authority
- JP
- Japan
- Prior art keywords
- crystal
- single crystal
- pulling
- high pressure
- seed crystal
- 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
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
PURPOSE: To enhance the production efficiency and yield of a single crystal of uniform diameter by arranging a molten crystal starting material holding crucible in a high pressure vessel, a seed crystal pulling mechanism, a grown single crystal weight comparison judger, a seed crystal pulling speed controller, etc.
CONSTITUTION: This apparatus is provided with pulling rod 7 which is freely rotated and moved back and forth with pulling mechanism 8 for growing a single crystal by pulling up seed crystal 9 wetted by crystal starting material 5 melted by heating with heater 4 in high pressure vessel 1 with an inert high pressure gas sealed, a judger composed of sensors 11, 12 which detect the weight of the grown single crystal and compare it to a set value, and control circuits 14, 15 controlling the seed crystal pulling speed and the heating temp. with heater 4, respectively in accordance with the judged results. By using this apparatus difficult crystal form control is easily performed, and a single crystal of uniform quality is efficiently obtd, in a high yield.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14837379A JPS5673692A (en) | 1979-11-16 | 1979-11-16 | Single crystal manufacturing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14837379A JPS5673692A (en) | 1979-11-16 | 1979-11-16 | Single crystal manufacturing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5673692A true JPS5673692A (en) | 1981-06-18 |
Family
ID=15451302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14837379A Pending JPS5673692A (en) | 1979-11-16 | 1979-11-16 | Single crystal manufacturing apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5673692A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105177704A (en) * | 2015-10-23 | 2015-12-23 | 苏州晶特晶体科技有限公司 | High-stability crystal weighing unit for crystal growth furnaces |
-
1979
- 1979-11-16 JP JP14837379A patent/JPS5673692A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105177704A (en) * | 2015-10-23 | 2015-12-23 | 苏州晶特晶体科技有限公司 | High-stability crystal weighing unit for crystal growth furnaces |
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