| 摘要 |
An electrical heating apparatus that includes a nonconductive substrate, with a conductive layer (14) upon which active buss (32) bars may be positioned for the purpose of applying a voltage potential to the conductive layer (14). To affect the heating pattern generated by the conductive layer (14) in a specific manner, passive buss bars (40) may be positioned along edges of the conductive layers (14), between the active buss bars (32), such that significant voltage gradients may be created, which in turn provides increased heating in those areas.
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