Heater and heating device with heaters with lamps having an...

Details Heater and heating device with heaters with lamps having an... Heater and heating device with heaters with lamps having an...

2006-02-28

2010-02-02

Ton, Toan (Department: 2889)

Electric lamp and discharge devices

Incandescent lamps

Plural filaments or glowers

C313S315000

Reexamination Certificate

active

07656079

ABSTRACT:
A heating device in which uniform heating of an article to be processed is possible even in the case a temperature change which leads to a loss of the uniformity of the temperature distribution in a narrowly delineated area, and in which a reduction in the size of the device is possible. The heating device has a plurality of heaters, each heater having a single bulb of transparent material in which there is a filament that is divided in the axial direction into several filament parts and the respective filament parts are supplied with power independently of each other.

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patent: 2004/0182847 (2004-09-01), Ohkubo et al.
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patent: 7-16353 (1995-03-01), None
patent: 2001-210604 (2001-08-01), None

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