Thermal print head and thermal printer
Abstract:
According to one embodiment, a thermal print head includes a heat sink, a head substrate having a plurality of heat generating elements placed on the heat sink and disposed in a primary scanning direction, a circuit board placed on the heat sink so as to be adjacent to the head substrate in an auxiliary scanning direction and provided with a connection circuit, and a control element electrically connected to the heat generating element via a first bonding wire and electrically connected to the connection circuit via a second bonding wire, wherein a plurality of first bonding wires is disposed in parallel in the primary scanning direction, and among the first bonding wires, the first bonding wire having a length of at least 2 mm or more is a metal wire having a Young's modulus greater than that of gold.
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