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ALD SCU 400 Multi Crystal Poly Silicon Furnaces qty 35 for Sale


SDI fabsurplus.com is pleased to announce the availability of the following listed used ALD SCU 400 Multi Crystal Poly Silicon Furnaces qty 35.
Please click on the "Send More Details" button at the end of the SCU 400 description, if you'd like to get more details, photos and specifications of this Multi Crystal Poly Silicon Furnaces qty 35, and your request for this equipment will be forwarded to our SDI sales representatives automatically.
This ALD SCU 400 Multi Crystal Poly Silicon Furnaces qty 35 is available for immediate sale.
Crating, refurbishment and delivery for this equipment can be quoted on request.


ALD SCU 400 Equipment Details

SDI ID: 93987
Manufacturer: ALD
Model: SCU 400
Description: Multi Crystal Poly Silicon Furnaces qty 35
Version: Solar
Vintage: 01.06.2009
Quantity: 35
Sales Condition: inquire
Lead Time: immediately
Sales Price (each): 245,000 EUR
Comments:

Silicon Crystallization Unit
For Multi- and Monocrystalline Silicon Ingot Production

-For silicon ingot production in solar applications. ALD’s Silicon Crystallization Unit (SCU) furnaces are used for melting and crystallizing solar grade silicon into square multi- and monocrystalline ingots – an important step in the manufacturing process of solar wafers and cells.  The ingots are then cut and sliced into solar wafers and then processed by cell manufacturers into solar cells.

The ALD SCU furnaces use top and bottom heating for vertical grain growth, ability to operate with constant crystallization rates, fastest cycle times in the industry, and multilayer shields on chamber bottom for run-out protection.

SCU 400 furnaces are high-performance, silicon melting and crystallization systems which permit:

    High throughput production of square multi- and monocrystalline silicon ingots for solar applications
    Flexible crucible dimensions from G5 to G8 size
    Safe production of silicon ingots from 400 to 1500 kg mass
    Increased mass ingot yield of high-performance multi-crystalline (HPM) and Mono2TM ingots
    Lab-scale production of G1 to G4 square multi-and mono-crystalline silicon Ingots

Multi-Crystalline Silicon Ingot Production

Multi-crystalline ingots are produced by melting the silicon charge and subsequent crystallization of molten silicon in quartz crucibles under inert gas atmosphere. SCU furnaces are equipped with a variety of unique and production proven design features including engineered graphite insulated hot zone, top and bottom heaters, an active cooling system, numerous up-to-date sensors for measurements and process parameter control. The SCU furnace design enables precise control of crystallization parameters such as constant crystallization rate, melt stirring to minimize inclusions and vertical crystal growth which are key factors for quality of wafers and cells produced from silicon ingots. Innovative processes such as High Performance Multi (HPM) ingot casting with seed layers can be easily adapted to the SCU furnaces based on the very flat temperature profile across the crucible which preserves the seed layer and maximizes yield of HPM bricks.

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