Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Reexamination Certificate
2007-12-05
2010-10-12
Fuqua, Shawntina (Department: 3742)
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
C219S468100, C219S444100, C219S445100, C219S543000, C219S544000, C219S546000, C219S547000, C219S548000, C219S542000, C338S308000, C338S306000, C338S307000, C338S309000, C338S310000
Reexamination Certificate
active
07812289
ABSTRACT:
A ceramic heater according to the present invention includes a heating portion made of ceramics, and a cooling plate portion. In the heating portion, a belt like printed electrode is formed continuously in a spiral shape along a circumferential direction, and in the printed electrode, slits extended in a width direction of the printed electrode are provided. In such a way, a ceramic heater in which uniform heating performance in the heating surface is high can be obtained.
REFERENCES:
patent: 04-101380 (1992-04-01), None
Burr & Brown
Fuqua Shawntina
NGK Insulators Ltd.
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