摘要 |
PROBLEM TO BE SOLVED: To provide a thermal head using Au as an electrode material capable of enhancing adhesion of a protection film formed on an electrode and improving the durability. SOLUTION: In this thermal head A1, a glaze layer 2, a heating resistor 3, the electrode 4 made of the material including Au as a main substance, the electrode 4 being adapted to energize the heating resistor 3, and the protection film 6 covering the heating resistor 3 and the electrode 4 are formed on a substrate 1. A plurality of recessed sections are provided on the surfaces 41Ba, 42a of the electrodes. COPYRIGHT: (C)2006,JPO&NCIPI
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