Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Reexamination Certificate
2007-07-24
2007-07-24
Paik, Sang (Department: 3742)
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
C219S546000
Reexamination Certificate
active
10657806
ABSTRACT:
A heater is provided including a plate having a heating surface for heating an object to be heated and a resistance heater element provided in the plate. This resistance heater element includes a continuous wiring pattern including a plurality of flexures and a thermal uniform pattern part which improves thermal uniformity. The continuous wiring pattern includes a plurality of folding parts as the flexures. A first distance between the wirings in a first region of the wiring pattern other than a second region proximate the folding parts is substantially constant, and a second distance between the wirings in the second region is greater than the first distance.
REFERENCES:
patent: 3067315 (1962-12-01), Hurko
patent: 5766363 (1998-06-01), Mizuno et al.
patent: 6080970 (2000-06-01), Yoshida et al.
patent: 6242719 (2001-06-01), Kano et al.
patent: 6753507 (2004-06-01), Fure et al.
patent: 07-065935 (1995-03-01), None
Burr & Brown
NGK Insulators Ltd.
Paik Sang
LandOfFree
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