Growth Crystal Furnace / Bridgman Furnace 0 ~ 0.05 MPa Air Filling Pressure

1.Technical specification
Effective Ampoule travelling length: 300 mm
Useful internal diameter: 200~300 mm
Maximum temperature: 2000 ℃
Maximum gradient in the adiabatic zone30 ℃/cm
Pulling rate: 0~6000 mm/h
Air filling pressure: 0~0.05 MPa
Vacuum pump: 12 L/s (mechanic pump)
Chamber size:￠(600-1000) IDx1000 mm
Overall size: 1000x1000x3300 mm
Overall weight: ~1200 Kg
Control method: Automatic/ Manual
Maximum Power: 60 KW

2. Accuracy specification
Min. pulling rate0.1 mm/h
Pulling system jump: 0.001 mm (max. value measured at pulling rate of 1mm/h)
Out power controlling accuracy: 0.1%
Vacuum5 Pa

3. Environment requirement
1. Power supply: three-phase five-line, 50 MHz 380v+/-10%, 30-50 Kw
2. Mounting space height3.5 m
3. The main body of this equipment should be installed on a solid floor base surrounded by vibration-isolated facilities. Vibration transmitted from outside to the equipment should be less than 5um.
4. Cooling water: de-ionized water at flow rate ≥80L/min, pressure≥0.3MPa, temperature 24+/-1.5℃, temperature fluctuation rate ≤1℃ /H;
5. Ambient temperature: 24+/-1.5℃, temperature fluctuation rate ≤1℃ /H, humidity＜70%

III. Main Components

IV.Technical Support
1. Offer training courses on equipment operation and installation to operator and maintenance personnel
2. Offer training courses on equipment control and structure principles;
3. Offer training courses on how to use software;
4. Offer training courses on trouble-shooting
5. One-year warranty
6. Other requirements are subject to the Contract terms;
7. Offer lifetime maintenance service (cost to be paid by the buyer);

V. Supply of complete system
1. A complete set of single crystal grower (standard configuration) includes:
a. Main body: vacuum furnace chamber ￠(600~1000)x1000mm, pulling and/or rotating system, vacuum system, water flow sensor etc.
b. Control cabinet: Industry-oriented computer (19" liquid crystal display), pulling and rotating driver control, alarm system, vacuum measurement meter, encoder display, manual control box, low voltage power supplies and press keys;
c. Power supply systems;
d. Vacuum unit: 12 L/S mechanical pump, vacuum valve and vacuum measurement system;

VI.Technical Document
A set of operating instruction manual should be provided by the Seller.

VII.Payment Term
40% of total amount shall be paid within 10 working days after the contract is signed by both the buyer and the seller. The balance of 60% shall be settled when pre-acceptance is completed.

VIII. Delivery, Packing & Transportation
1. Delivery time: The Contract will become effective when down payment is received by the Seller. Delivery shall be effected within 4 months after the contract becomes effective. The date on which pre-acceptance is completed at Seller's site shall be regarded as the date of delivery.

2. Packing & transportation:
The equipment shall be packed in strong non-solid wood cases suitable for hoisting and long distance transportation by road, rail, air or sea. Rust &moisture proof, proof and anti-vibration measures shall be applied to the packages. The components of equipment are packed according to relative standards. Details of packing list are included.

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