| 摘要 |
A thermal print head (A1) is provided with a board (1), a grazed layer (2), a heat element (3), an electrode (4) having Au as a main ingredient for carrying electricity to the heat element (3), and a protection film (6) for covering the heat element (3) and the electrode (4). On the surface of the electrode (4), a plurality of recessed parts are formed.
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