Electric heating – Heating devices – With heating unit structure
Reexamination Certificate
2007-12-04
2007-12-04
Pelham, J. (Department: 3742)
Electric heating
Heating devices
With heating unit structure
C338S308000, C029S620000
Reexamination Certificate
active
09681891
ABSTRACT:
A thick film heater is shown wherein the thick film resistive circuit, as the heating element, is applied directly to a target object to be heated for very low temperature applications. The thick film used is polymer-based (preferably epoxy). The thick film resistive circuit is applied using conventional means. However, it is cured at higher temperatures and longer cycles than conventional thick film circuits, and preferably in multiple stages.
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Laskowski Thomas M.
Lin Hongy
Steinhauser Louis P.
Brinks Hofer Gilson & Lione
Pelham J.
Watlow Electric Manufacturing Company
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