The PV20 furnace is a directional solidification furnace ideal for G1 silicon ingot crystallization up to 20 kg offered by ECM Greentec. It is adapted to process engineering requirements at laboratory or pilot scale. The PV20 furnace is designed with a three-zone thermal set-up that has been developed for Crystalmax® cast-mono technology. This set-up enables high reliability, reproducibility, and flexibility in the process growth of silicon ingots. The furnace is user friendly and designed specifically for research and development.

Technical Sheet

Effective dimensions 550mm*550mm*750mm
Features Vessel Water cooled double walls made of stainless steel (Cold wall technology)
Vacuum Ultimate vacuum level 1.10-3mbar Working vacuum level: from 1.10-2 to 1.10-3mbar
Pressure Partial pressure of Argon neutral gas Maximal pressure patm+50mbar
Maximum temperature 1550°C (1575 °C)
Heaters 120 KW, 3 heating zones
Side 50 KW
Top 40 KW
Bottom 30 KW
Safety Optimised design to limit the consequences of a silica crucible breakage
Maximum heating rate 500 °C/hour
Heating elements Graphite
Insulation casing 60 mm graphite
Ingot Features
Dimensions G1, suitable for 1 brick (156×156 mm²), compatible with upgraded wafer size M2 to M12
Weight Up to 20kg
Growing technology CrystalMax® cast-mono, HP-multi or multicrystalline
Loading Bottom loading /unloading, safe and easy
Supervision Touchscreen interface
Operation modes Fully automatic thermal cycle or manual mode
Options Accelerated / forced cooling
Integration Turnkey Line

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