Thermal head and thermal printer
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United States of America Patent
Stats
-
Oct 16, 2018
Grant Date -
Nov 9, 2017
app pub date -
Oct 30, 2015
filing date -
Oct 30, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A thermal head includes a substrate; a plurality of heat generating portions; a common electrode disposed on the substrate and electrically connected to the plurality of heat generating portions; a plurality of individual electrodes disposed on the substrate and each electrically connected to a corresponding one of the plurality of heat generating portions; a first insulation layer disposed on the heat generating portions, a part of the common electrode, and a part of the individual electrodes; a second insulation layer located adjacent to the first insulation layer and disposed on a part of the individual electrodes; and a static removing layer disposed on the first insulation layer and grounded. The static removing layer includes a first portion disposed on an upper surface of the first insulation layer and a second portion electrically connected to the first portion and disposed on an upper surface of the second insulation layer.
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