| 摘要 |
PROBLEM TO BE SOLVED: To effectively heat a heated body, to longitudinally equalize surface temperature of the heated body, and to improve mass productivity with a simple structure to reduce a cost, in an exciting coil provided close to the heated body and causing an induction current to the heated body to cause heat to it, and thereby, to improve performance and reduce cost of both an electromagnetic induction heating type fixing device and an image forming device with the fixing device. SOLUTION: This exciting coil 31 is provide close to a heated body and causes an induction current to the heated body to cause heat to it. A coil wire of the exciting coil 31 is wound flatwise and deformed along a curved surface shape of the heated body, while magnetic cores 33, 34 are provide on the opposite side of the heated body side in both longitudinal end parts of the exciting coil 31 along the curved surface of the exciting coil 31.
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