Thermal processing apparatus and thermal processing method

Electric heating – Heating devices – Combined with container – enclosure – or support for material...

Reexamination Certificate

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C219S405000, C219S411000, C392S416000, C392S418000, C118S724000, C118S725000, C118S050100

Reexamination Certificate

active

07038173

ABSTRACT:
A thermal processing apparatus, performing processing accompanied with heating on a substrate, having an upper lamp group directed toward a prescribed direction and a lower lamp group perpendicularly intersecting with the upper lamp group is provided with a lower reflector between the upper and lower lamp groups. The lower reflector is so provided as to reflect light from lamps, included in the lower lamp group, present on both end regions in relation to the direction of arrangement. Thus, the thermal processing apparatus can efficiently irradiate an auxiliary ring with reflected light from the lower lamp group and improve temperature uniformity when heating the substrate.

REFERENCES:
patent: 4680451 (1987-07-01), Gat et al.
patent: 5951896 (1999-09-01), Mahawili
patent: 6437290 (2002-08-01), Shao et al.
patent: 6570134 (2003-05-01), Suzuki et al.
patent: 2000182982 (2000-06-01), None
patent: 2001210604 (2001-08-01), None
English translation of Abstract of Japanese Application Laid-Open No. 2001-210604.
English translation of Abstract of Japanese Application Laid-Open No. 2000-182982.

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