METHOD AND APPARATUS FOR PROVIDING HEAT TO A REGION AROUND A HOLE
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United States of America Patent
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Issued Date -
Mar 21, 2013
app pub date -
Sep 18, 2012
filing date -
Sep 21, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A heater comprising: at least one carrier comprising: a first electrically functional layer disposed on the carrier; a second electrically functional layer disposed on the carrier and in contact with the first electrically functional layer; and one or more electrical conductors connected to the first electrically functional layers for applying power to the heater; wherein the heater includes one or more of the following features: (1) heating around the through holes in the heater (2) variable widths of the electrically functional layers so that the current density in the heating regions is constant; (3) multiple discrete carriers that are electrically connected; and (4) split buss bars that provide an equal current density around the through holes and to the heating regions.
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