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A stainless steel or ceramic substrate (plate) serves as the base for a thick film heating element, on which an insulation layer (meeting the requirements for dielectric strength) is printed, followed by a layer of resistive paste, a layer of contact and connective material, and finally a top enamel layer.
These heating components are designed for heating liquids through flat walls and for contact heating of flat surfaces. A heating element atop a sheet of metal offers far better heat transfer into a flat wall than a typical tubular heating element. These components might be advantageous in applications where a thin heating element is required.
Thick Film Heaters, also known as Thick Film Ceramic Heaters, are created entirely differently from regular heating elements. A thick film heating element is made of a substrate (plate) made of stainless steel or ceramic, on which an insulation layer is printed, followed by a resistive paste layer, a contact and connecting layer, and finally a top enamel layer.
Heraeus thick film heater materials offer solutions to meet these demanding conditions with options for conductor, resistor, and insulating paste. You have the freedom to build heaters for uses over a broad operating temperature range because solutions are available for several grades of aluminium and steel as well as a wide range of oxide and nitride ceramic substrates.
The design of thick film ceramic heaters is tailored to your application. For any heating task, shape, size, and electrical characteristics can be adjusted and optimised. We can also offer controllers, temperature limiters, thermal sensors, and electrical connectors. Additionally, we have expertise in providing support for thick film heater installation in appliances.
Thick Film Metal Core Heaters are designed for liquid heating through flat walls and for contact heating of flat surfaces. A heating element atop a sheet of metal offers far better heat transfer into a flat wall than a typical tubular heating element. Thick film heating elements can also be advantageous in applications where the heating element’s low thickness is crucial.
THICK FILM HEATER MATERIALS MARKET SIZE AND FORECAST
The Global Thick Film Heater Materials market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
In the automobile industry, thick film technology is well-established for high reliability circuitry, difficult sensor applications, and robust passive component requirements. Thick film materials are once more in demand as electric vehicles (EV) and battery management systems (BMS) develop.
Compared to present internal combustion engine (ICE) vehicles, electronic content per vehicle is doubling and tripling, and this will increase depending on the degree of driving autonomy.
The creation of waste heat is one significant distinction between EV and ICE. This waste heat has been used by ICE vehicles for a variety of things, including in-cabin heating. However, since the waste heat produced by the battery systems is insufficient to meet the demands for cabin comfort, EVs must make use of active heating systems.
Battery management systems must also provide crucial temperature control for the battery pack’s startup, operation, and charging. This is crucial for EV use in colder climates in particular. Because of the tight space requirements, precise and repeatable heating, design flexibility, and power handling capabilities of the technology, thick film is ideally suited for this application.
To put it simply, a heater is a circuit with controlled resistance that outputs a desired temperature at a specific power input. Thick film heaters can be self-limiting or constructed with a high or low temperature coefficient of resistance based on the required control systems, depending on the materials chosen.
Additionally, thick film heaters can be constructed on a variety of substrate types that are suitable for temperatures ranging from below zero to as high as and have almost limitless power requirements.
