Methods of forming a variable watt density layered heater

Details Methods of forming a variable watt density layered heater Methods of forming a variable watt density layered heater

2011-08-30

2011-08-30

Fuqua, Shawntina (Department: 3742)

Electric heating

Heating devices

With heating unit structure

C219S424000, C219S212000, C219S441000, C219S538000, C219S553000, C219S552000, C219S549000, C219S219000, C338S314000, C338S099000, C029S620000, C428S433000, C385S147000

Reexamination Certificate

active

08008607

ABSTRACT:
Methods of forming a layered heater are provided that comprise at least one resistive layer comprising a resistive circuit pattern, the resistive circuit pattern defining a length, a thickness, and a spacing, wherein the thickness varies along the length of the trace of the resistive circuit pattern for a variable watt density. The methods include achieving the variable thickness by varying a dispensing rate of a conductive ink used to form the resistive circuit pattern, varying the feed rate of a target surface relative to the dispensing of the ink, and overwriting a volume of conductive ink on top of a previously formed trace of the resistive circuit pattern.

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