PTC HEATER WITH IMPROVED TEMPERATURE DISTRIBUTION AND UNIFORMITY
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United States of America
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Nov 21, 2024
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May 6, 2024
filing date -
May 6, 2024
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Abstract
A positive temperature coefficient (PTC) heater including a PTC layer formed of a material exhibiting a non-linear change in resistance in response to changes in temperature, an electrode layer including first and second electrodes disposed atop the PTC layer, each of the first and second electrodes including a spine and a plurality of tines extending inwardly therefrom, with the spine of the first electrode oriented parallel to the spine of the second electrode and with the tines of the first electrode disposed in an interdigitated relationship with the tines of the second electrode, an adhesive layer including first and second adhesive strips disposed atop the spines of the first and second electrodes, respectively, and a busbar layer including first and second busbars disposed atop the first and second adhesive strips, respectively, and adhered to the spines of the first and second electrodes by the first and second adhesive strips, respectively.
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