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POLYIMIDE (KAPTON) HEATER
Polyimide (Kapton) heaters are widely adopted for precision instrument heating up to 260°C. The versatile heater films have been
the ultimate solution for many performance demanding applications. Polyimide (Kapton) film is an organic material with very high dielectric capability, thin flexible profile and low thermal mass, while providing superior resistance to most solvents, acids, and radiation. Being transparent, Polyimide (Kapton) heater allows easy visual inspection of the internal foil circuit structure. In connection with these features, Polyimide heaters are very ideal forapplications:
1)Thermal transfer equipment;
2) Prevent condensation in motors or instrument cabinets; 3) Freeze or condensation prevention in housings containing electronic equipment, for examples: traffic signal boxes, automatic teller machines, temperature control panels, gas or liquid control valve housings4) Composite bonding processes 5) Semiconductor process heating6) Food processing equipment7) Airplane engine heaters and aerospace industry8) Drums and other vessels and viscosity control and asphalt storage9) Medical equipment such as blood analyzers, medical respirators, test tube heaters, etc. 10) Curing of plastic laminates11) Computer peripherals such as laser printers, duplicating machines
Foil Element
Polyimide (Kapton) heaters make use of very thin (e.g. 50μm) etched metal (usually nickel based alloy) foil as resistance element. The resistance pattern to be etched is designed in CAD and transferred to the foil, which is then processed through acid spray to produce the desired resistance pattern.
Taking advantage of the etched foil technology, complicated thermal profiles and wide range of resistance can be realized. Bifilar circuit meander arrangement is possible, which is often required to eliminate the parasitic inductance in the circuit.
Technical Specification
