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    • 5. 发明授权
    • Thermal print head and method of making the same
    • 热敏打印头及其制作方法
    • US5568176A
    • 1996-10-22
    • US560914
    • 1995-11-20
    • Kyung-Ha MoonBae-Won LeeHong-Geun Yang
    • Kyung-Ha MoonBae-Won LeeHong-Geun Yang
    • B41J2/335B41J29/377
    • B41J2/3357B41J2/3358B41J29/377
    • A thermal print head and method of creating the same, in which a metal film and a cooling compound are inserted between a resistance substrate and a cooling board. This construction can prevent the formation of air bubbles in the cooling compound between the resistance substrate and the cooling compound. This construction can also reduce local heat accumulation and thereby reduce uneven priming contrast since even if an air bubble is formed it will have a thickness less than the thickness of a double-sided tape that acts as an adhesive between the resistance substrate and the cooling board. In addition, a clearer image can be obtained even in the hi-speed priming because the metal film having a thermal conductivity higher than that of the cooling compound is inserted inside the cooling compound. This increases the overall thermal conductivity between the resistance substrate and the cooling board and thus improves heat dissipation within the system.
    • 一种热敏打印头及其制造方法,其中在电阻基板和冷却板之间插入金属膜和冷却化合物。 这种结构可以防止在电阻基板和冷却化合物之间的冷却组合物中形成气泡。 这种结构还可以减少局部热积聚,从而减少不均匀的起泡对比度,因为即使形成气泡,其厚度将小于用作电阻基板和冷却板之间的粘合剂的双面胶带的厚度 。 此外,即使在高速起动中也可以获得更清晰的图像,因为具有高于冷却化合物的导热率的金属膜插入冷却化合物内。 这增加了电阻基板和冷却板之间的整体热导率,从而改善了系统内的散热。