| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a thermal head in which flatness of a board can be kept.SOLUTION: A thermal head X1 is equipped with a board, a heating part 9 provided on the board, and a radiator 1 which is disposed below the board and radiates heat of the heating part 9. The radiator 1 is formed from a rolled metal, and the rolling direction of the rolled metal is a sub-scanning direction. A first face of the radiator 1 is provided with a first recess 2 along the rolling direction, and a second face thereof, which is positioned on a side opposite to the first face, is provided with a first salient which positioned below the first recess 2.</p> |
