Thermal print head

A thermal print head, comprising

• a substrate, having a substrate main surface and a substrate back surface facing opposite sides in a thickness direction;
• a resistor layer, disposed on a side of the substrate main surface and including a plurality of heat generating portions arranged in a main scan direction to generate heat by energization;
• a wiring layer, disposed on the side of the substrate main surface and including a conduction path for electrically conducting the plurality of heat generating portions;
• a metal layer, interposed between the substrate and the wiring layer with the resistor layer;
• and
• an insulating layer, interposed between the metal layer and the wiring layer with the resistor layer;
• wherein the conduction path includes the metal layer, and the metal layer includes tantalum (Ta),
• further comprising a reduction layer;
• wherein the resistor layer is disposed between the substrate and the wiring layer, and the reduction layer is interposed between the resistor layer and the metal layer.