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VIEW CF-SL DRITECH BROCHURE (385 KB)


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Furnace Features:

  • Rapid thermal ramping
    (up to 200°C/sec)
  • Enhanced thermal cooling
    (up to 100°C/sec)
  • Up to 760cm/minute (300ipm)
    belt speed
  • Uniform, stable and repeatable
    cavity temperature (+/- 2°C)
  • Exceptional lane-to-lane
    temperature uniformity +/-3°C with edge heaters (CDF-DL)
  • Mesh belt with stand-offs
  • Enhanced software recipe management
  • Master production control interface
  • Data logging
  • Uninterruptible power supply

DriTech:

  • Keeps dryer and firing chambers exceptionally clean
  • Handles difficult to dry pastes
  • Dries at fast belt speeds
  • VOC Thermal Oxidizer abatement
  • Decouples VOC removal and binder burn-off
  • Integration with every major metallization printer line
  • Uninterruptible power supply

Options:

  • SolectFire™ Technology
  • Edge contact belt
  • Profiling systems
  • Additional dryer zones
  • CE compliance


Product Specialists

Innovation Resource Center

CF Series Metallization Furnace with DriTech™ Dryer

The World’s Best Selling Metallization Firing Furnace

For highly efficient solar cells at the lowest possible cost, more solar manufacturers choose Despatch Firing Furnaces than any other brand.Combining the CF Series with the revolutionary DriTech™ Dryer increases uptime and throughput and provides a lower cost of ownership. The CF Series with Dritech™ delivers process repeatability and superior product quality.

The furnace is now available with SolectFire™ Technology. This innovative technology provides greater thermal control and sets the stage for next generation pastes.

The DriTech™ dryer is designed to decouple the VOC removal and binder burn-off for a more efficient drying process. A centrally located point-of-generation thermal oxidizer provides maintenance- free VOC abatement, ensuring that the chamber remains free of contaminates and that smoke and solvent don’t leave the ends of the dryer.

The complete system offers 98% uptime, a smaller footprint and is easily integrated with every major metallization printer line. Maintenance is easy and quick with the patented push-button chamber design. Each tool is independently powered and controlled.

The drying and firing system is easily integrated with every major metallization printer line and provides advanced technology to accommodate next generation pastes.



  

CF-SL Firing Furnace DriTech Dryer
Product Configuration
Overall length 736 cm (290 in) 295 cm (116 in)
Width at widest point 121 cm (47.5 in) 132 cm (52 in)
Frame height
* To top of oxidizer 287.5 cm (113 in)
164 cm (64.55 in) 196 cm (77 in)*
Standard entrance/exit table 93.5 cm (36.8 in) 93.5 cm (36.8 in)
Open inspection area NA 46 cm (18 in)
Conveyor type Lightweight balance spiral weave, Nichrome V material, friction drive with stand-offs
Conveyor height above floor 92 - 99 cm (36-39 in) 92 - 99 cm (36-39 in)
Conveyor width 25.4 cm (10 in) 25.4 cm (10 in)
Net weight 2,270 kg (5,000 lbs) 1,200 kg (2,650 lbs)
Electrical Requirements
Voltage 380-480 V/3 Phase/
50-60 Hz
400 V -10%, +15% /
3-Phase/50-60 Hz
Connected load 46 Amps 80 Amps
Typical operating load 32 Amps 34 Amps
Water Requirements
Typical flow 11 lpm NA
Pressure (maximum) 4 Bar (60 psi) NA
pH level 7.2–7.6 NA
Recommended inlet temperature 16–18°C (59-64°F) NA
Exhaust
Process exhaust venturi assist *hood required, no direct connection 2 sets NA
VOC Oxidizer exhaust NA 1020 M³/hr (600 scfm)
Cabinet exhaust 850 M³/hr (500 scfm) NA
Process Atmosphere
Clean dry air (CDA) (Typical) 19 M³/hr (11 scfm) NA
Process Capabilities
Maximum temperature (Drying/firing) 1000°C 400°C
Conveyor speed range 66–762 cm/min (26–300 ipm) all models
Conveyor speed accuracy ± 0.5% ± 0.5%
Throughput (6x6in/156x156mm wafers up to2,500 wafers/hour up to 1,700 wafers/hour
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