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    The PV-360 is a high-volume, in-line spray doping system for the thin and uniform application of phosphoric and boric acid based dopants to crystalline photovoltaic cells for the in-line thermal diffusion and laser doped selective emitter processes. Now in its 3rd generation, the PV-360 leverages USI’s proprietary nozzle-less ultra-Thin Coating Application Technology (tCAT) for a more uniform, thinner coating compared to conventional nozzle based spray, roll coating or fog coating technologies.

    Features and benefits:

    • Proprietary, nozzle-less ultra-Thin Coating Application Technology (tCAT)
    • Typical coatings applied include:
      • Phosphoric acid based dopants
      • Boric acid based dopants
      • Compatible with water based and solvent based dopants
    • Non-contact coating application with excellent coating transfer efficiency – up to 99%
    • Process width: 914mm (36 inches)
    • Compatible with any in-line thermal diffusion furnace
    • Long-life, high speed traversing mechanism with servo motor drive
    • Constructed with materials compatible with acidic and caustic coating liquids
    • Isolated and ventilated spray area
    • PAC controller with touchscreen HMI
    • PMP-200 Precision Metering Pump liquid delivery system, features:
      • Servo drive positive displacement liquid metering pump
      • Dual pump design for uninterrupted operation
      • Automatic pump refill from on-board PFA coating reservoir
      • Data logging
    • Conveyor system:
      • Teflon coated Kevlar mesh belt
      • Up to 1.8 meters/minute (5.9 feet/minute) speed
      • Accommodates up to six (6) rows of 125mm (5 inch) wafers
      • Integrated water-based conveyor belt cleaning and drying system
      • Water-based conveyor belt cleaning system
    • Optional wafer drying system
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