Crystal growth apparatus
Flow of crystal growth
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Material
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Melting
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Turnover
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Necking
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Crystal is growing
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Crystal
1.Single crystal growth apparatus
| Heat source | Method of crystal growth |
|---|---|
| Arc discharge | Czochralski method (CZ method) |
| Specification | Four arc electrodes type |
|---|---|
| Inner dimension of furnace | 300 mm diameter, 550 mm long |
| Temperature | maximum 2200 °C common use 2000 °C |
2.Single crystal growth apparatus
| Heat source | Method of crystal growth |
|---|---|
| High-frequency induction heating | Vertical Bridgman method (BM method) |
| Specification | Water-cooled double tube type |
|---|---|
| Inner dimension of furnace | 300 mm diameter, 550 mm long |
| Temperature | maximum 2200 °C common use 2000 °C |
| Thermocouple | Radiation thermometer |
3.Single crystal growth apparatus
| Heat source | Method of crystal growth |
|---|---|
| Tungsten heater | Vertical Bridgman method (BM method) |
| Specification | Three zones type |
|---|---|
| Inner dimension of furnace | 300 mm diameter, 550 mm long |
| Temperature | maximum 2200 °C common use 1800 °C |
| Thermocouple | Tungsten–Rhenium thermocouple |
4.Single crystal growth apparatus
| Heat source | Method of crystal growth |
|---|---|
| Tungsten heater | Vertical Bridgman method (BM method) |
| Specification | Single zone type |
|---|---|
| Inner dimension of furnace | 300 mm diameter, 550 mm long |
| Temperature | maximum 2200 °C common use 1800 °C |
| Thermocouple | Tungsten–Rhenium thermocouple |
Products related to heat treatment
| Specification | Tungsten mesh heater furnace |
|---|---|
| Inner dimensions of the furnace |
129 mm diameter and 434 mm high |
| Temperature | maximum 2000 °C common use 1800 °C |
| Specification | Vertical Bridgman furnace (BM method) |
|---|---|
| Heated zone and quenching zone |
Two zones type |
| Temperature | maximum 1300 °C common use 1250 °C |
| Specification | Three zones melting furnace |
|---|---|
| Inner dimensions of the furnace | 129 mm diameter and 434 mm high |
| Temperature | maximum 1300 °C common use 1250 °C |
Handling by manipulator in furnace for hot cell (high-frequency induction heating)
Melting furnace for tilting crucible casting For casting
Commonly used temperature of 1500 °C
Commonly used temperature of 1500 °C
Apparatus to measure fusion point (high-frequency induction heating)
Commonly used temperature of 2900 °C
Commonly used temperature of 2900 °C
Multi-purpose single crystal growth apparatus (high-frequency induction heating)
Commonly used temperature of 2500 °C
Commonly used temperature of 2500 °C
Melting furnace (high-frequency induction heating)
Commonly used temperature of 1800 °C
Commonly used temperature of 1800 °C
Hearth Laterally movable type All four faces are usable
Hearth Rotary type Crucible in argon environment might be enclosed.
Vacuum-encapsulator
Apparatus related to particle accelerator
Detectors
Beam transport line
Deflection duct
Ion extracting electrode
Slit Beam monitor Faraday cup
Products related to aerospace engineering
We supplied experimental apparatuses of injector and nozzle to JAXA.
Own R&D activities
We are trying to grow single crystal by Czochralski method (CZ method)
