| 摘要 |
A thermal printhead (A1) includes a substrate (1), and a plurality of heating portions (2) aligned on the substrate in a primary scanning direction (X) . A plurality of electrodes (31, 32, 33) are connected to the heating portions (2). Each of the heating portions (2) has a width in the primary scanning direction (X) which is smaller than that of each of the electrodes (31, 32, 33). Each of the electrodes (31, 32, 33) includes a tapered portion (31C, 32C, 33C) having a width which reduces as progressing toward a corresponding one of the heating portions 2.
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