| 摘要 |
PROBLEM TO BE SOLVED: To provide a heating device which enables the rapid temperature rise of an object to be treated and also is excellent in an economical efficiency, and to provide a thermal treatment apparatus. SOLUTION: The heating device comprises lamps and a lamp house. The lamps have a first lamp and a second lamp having an irradiation area narrower than that of the first lamp, respectively, The lamp house has a first lamp housing part for housing the first lamps in the center of the lamp house, and a second lamp housing part for housing the second lamps around the first lamp housing part.
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