Custom Dupont Kapton® / Polyimide Heating Elements

Product Announcement from Thermal Circuits, Inc.

Custom Polyimide Heaters designed for your exact application from Thermal Circuits, Inc.

An etched foil design element is the circuitry for Kapton® / Polyimide heaters. These heaters are transparent, lightweight, flexible and are electrically strong. Polyimide heaters are compatible with foil element alloys as inconel, nickel, copper, and stainless steel. They have low outgassing properties, are resistant to solvents and can be produced with special internal adhesive systems that permit higher operating temperatures. Heat curing film and pressure sensitive systems are available for mounting. Control and sensing devices can be incorporated.

Basic Custom Polyimide Heater Features:

  • UL & CSA Recognized
  • 300 Degrees Celsius (572º F) Maximum
  • Moisture and Chemical Resistant
  • Formable and Flexible
  • Bondable to Metalwork
  • These basic features and any requirements can be custom designed and produced, just let us know what you are trying to accomplish.

About Thermal Circuits:

Thermal Circuits Inc. is a manufacturer of surface heaters, air heaters, molded heaters, heater assemblies, and infrared panel emitters. We service a wide variety of markets and geographic areas and, through continuous quality improvement, strive to maintain world-class leadership in all aspects of our business.

"Firsts" from Thermal Circuits continued during the 1970's and 1980's. We designed, prototyped and produced heaters and assemblies for the first etched foil-heated cafeteria food service stations, infant incubators, hospital warming cabinets, automobile side-view mirrors, kitchen electrics(mini-skillets, deep-fat fryers), and personal care appliances(mist hair setters, styling wands).

This growth prompted the construction in 1996 of a single-storied, 52,000 square foot building which is Thermal Circuits' new home. Still in Salem, the company is owned by its corporate partners and is the anchor company in a newly-developed industrial park. The new facility is state-of-the-art and second to none.

Core Competencies:

A “solution” designer and manufacturer of custom, etched foil heaters and assemblies, would welcome the opportunity of creating an affordable heater designed to your application’s requirements.

Our core competencies for these conductive, convective and radiant heaters include:

  • Application Engineering that is responsive and experienced. You can be assured that we will provide an optimal, reliable solution. Let us help you turn your company’s opportunity into a competitive advantage.
  • Thermal Uniformity is attained by varying the heater’s watt density, thereby, compensating for heat losses.
  • Thermal Responsiveness is a function of the heater’s low mass. Heating and cooling are virtually instantaneous.
  • Repeatability through Thermal Circuits’ photo etch process that sustains part-to-part consistency.
  • Innovative Manufacturer
    • Recognized for using the broadest range of materials
    • Dielectrics compatible with integration and challenging environments.
    • Element/alloys developed for increased capabilities and lower costs.
  • Integrated Sensors
    • Thermistors, RTDs, semiconductor-type, thermocouples, thermostats and thermal fuses.
  • Turnkey Assemblies
    • Metalwork, heat sinks, wire harnesses and flex circuits.
  • Space and Weight Efficient
    • As thin as 0.004”.
  • Energy Efficiency
    • 70% of the surface area is covered with an active element. This enables the element to run cooler and with longer wavelengths of light, which transfers heat more effectively.
    • The etched foil element’s inherent low mass has less thermal inertia, which enables lower operating costs.


Industry Market Applications:


Quality Insurance:

Quality is paramount at Thermal Circuits. We are a certified manufacturer of critical components and an approved ship-to-the production line, zero defect supplier. Our contractual customers perform no incoming inspection of our heaters and heater assemblies. Thermal Circuits' Quality Assurance Department is equipped, staffed, and administered to the requirements of MIL-1-45208A to which we are approved by major subcontractors.

The Quality Management System of Thermal Circuits has been audited and is compliant with the requirements of and registered to ISO 13485:2003 and ISO 9001:2008.

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