Thermosensitive head
A technology of thermal head and heating element, applied in the field of thermal head, which can solve the problems of reduced printing quality and easy retention, etc.
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[0025] specific implementation plan
[0026] The thermal head of the present invention will be described in detail below with reference to the accompanying drawings. figure 1 It is a sectional view of main parts of the thermal head related to the present invention, figure 2 It is a schematic diagram illustrating the printing operation of the thermal head of the present invention.
[0027] First, the thermal head of the present invention, such as figure 1 As shown, a substrate 1 with good heat dissipation is arranged, and a thermal insulation layer 2 made of a glaze with good thermal insulation is formed on the substrate 1 .
[0028] The thermal insulation layer 2 is partially protruded on the surface by photolithography 2 technology to form a convex portion 2a. The convex portion 2a has a cross-sectional shape in a direction perpendicular to the direction in which the heat generating elements 3a are arranged to be described later, and is formed as an inclined surface 2c tow
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