| 摘要 |
<p>A thermal print head includes a substrate, an electrode layer supported on the substrate and provided with a plurality of mutually spaced-apart portions, a resistor layer provided with a plurality of heating portions arranged along a primary scanning direction, the heating portions lying across the spaced-apart portions, and a protective layer configured to cover the resistor layer, the protective layer including a first layer made of glass matrix and a plurality of alumina grains mixed into the glass matrix.</p> |
