Thermal head and thermal printer equipped with the same
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United States of America Patent
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Jan 19, 2016
Grant Date -
Nov 13, 2014
app pub date -
Nov 26, 2012
filing date -
Nov 28, 2011
priority date (Note) -
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Abstract
There are provided a thermal head capable of decreasing the possibility of occurrence of layer separation in a protective layer, and a thermal printer equipped with the same. A thermal head includes a substrate; an electrode disposed on the substrate; an electric resistor connected to the electrode, part of which serves as a heat-generating section; and a protective layer disposed on the electrode and on the heat-generating section. The protective layer includes a first layer containing silicon nitride or silicon oxide; and a second layer disposed on the first layer, containing tantalum oxide and silicon oxynitride.
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