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Thick Film on Quartz
Thick Film Heaters on QuartzThick Film on Quartz Offers High Thermal Density and Corrosion Resistance

Watlow's new thick film heaters on quartz glass are ideal for use in many applications where visibility and corrosion resistance are required. This high performance heater uses thick film technology to provide maximum temperature response, and temperature uniformity in a compact package. Thick film on quartz substrates provide a low-profile heater that can be cut or blow molded to fit a variety of shapes and sizes. Since quartz is an efficient radiator of heat, thick film on quartz can be utilized as effective radiant heaters.

Thick film heaters can be applied in areas where space is at a premium or where conventional heaters cannot be used because the voltage and wattage combination precludes using other types of resistive heaters. Due to the unique nature of a thick film circuit, these heaters can be designed to vary heat output across the entire surface. This feature will correct virtually any temperature uniformity problem that a current design is generating while still allowing the ability to view the process.

Watlow's thick film heaters are manufactured to meet the requirements of NEC codes with UL® and CSA. Certifications are pending.

Features Benefits
  • Up to 480 Volts, 3-phase
  • Fast response to power input due to low thermal mass
  • 932°F (500°C) maximum substrate temperature
  • Provide uniform heat with see-through option
  • Improve process quality and yield
  • Watt densities: 20 W/in2 for open air applications, 50 W/in2 for clamp-on applications, 175 W/in2 for immersion applications
  • Precise, repeatable wattage distribution places heat directly where required
  • Termination options include contact pad, epoxied, soldered or welded lead connector
  • Substrate material offers excellent corrosion resistance
  • Bonded RTD, epoxied thermistors, attached thermocouples plus full control integration
  • Low profile package fits into tight spaces
  • Corrosion resistant quartz heating surface
  • Moisture resistant glass material eliminates moisture problems and has low current leakage
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Applications
  • Semiconductor: In-line aggressive chemical heating, view ports and vacuum applications
  • Life science: Thermal cycling and sterilizers
  • Analytical equipment: Gas chromatography and spectroscopy
  • General equipment: Fast prototyping
Product Information
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