| 摘要 |
PROBLEM TO BE SOLVED: To provide a heater unit in which a heater pattern realizing a required temperature distribution can be easily designed without relying on experience. SOLUTION: The unit is provided with a base member 12, and a heater wire 20 having a plurality of concentric circular arc parts, with a radius of at least a part of the plurality of the concentric circles set up in accordance with aγfunction. COPYRIGHT: (C)2005,JPO&NCIPI
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