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    Thermal head and controller for controlling the same
    3.
    发明公开
    Thermal head and controller for controlling the same 有权
    Thermodruckkopf und Vorrichtung zu dessen Steuerung

    公开(公告)号：EP1151869A1

    公开(公告)日：2001-11-07

    申请号：EP01302163.9

    申请日：2001-03-09

    申请人： Shinko Electric Co. Ltd.

    发明人： Sugiyama, Hayami, c/o Shinko Electric Co., Ltd. ,  Kubota, Takashi, c/o Shinko Electric Co., Ltd. ,  Matsuda, Hiroshi, c/o Shinko Electric Co., Ltd. ,  Masukawa, Kazunori, c/o Shinko Electric Co., Ltd. ,  Miyashita,Yosikazu c/o Shinko Electric Co., Ltd. ,  Kawamura, Sigeyuki, c/o Shinko Electric Co., Ltd.

    IPC分类号： B41J2/335 ,  B41J2/38

    CPC分类号： B41J2/3352 ,  B41J2/33525 ,  B41J2/33535 ,  B41J2/3357 ,  B41J2/355 ,  B41J2/38

    摘要： A thermal head includes a metal substrate; an insulating layer (3) formed on the surface of the metal substrate (1); a plurality of heating elements (14,24) disposed on the surface of the insulating layer (3), the heating elements (14,24) being arranged with a predetermined pitch along a plurality of lines in a main scanning direction, the plurality of lines being spaced from each other in a paper feeding direction perpendicular to the main scanning direction; and a heat radiating element (2) projecting from the surface of the metal substrate (1) to the side where the insulating layer is disposed. In this structure, although most of heat generated by the respective heating elements is transferred to an ink ribbon or print paper, residual partial heat is absorbed by heat radiating means via the insulating layer and radiated into the atmosphere. This suppresses thermal interference among the heating elements. The invention also discloses a thermal head controller for controlling a thermal head for use in a printer.

    摘要翻译： 热敏头包括金属基板; 形成在所述金属基板（1）的表面上的绝缘层（3）; 设置在所述绝缘层（3）的表面上的多个加热元件（14,24），所述加热元件（14,24）沿着主扫描方向沿着多条线以预定间距排列，所述多个 线在垂直于主扫描方向的给纸方向上彼此间隔开; 以及从金属基板（1）的表面向绝缘层配置的一侧突出的散热元件（2）。 在这种结构中，虽然由各个加热元件产生的大部分热量转移到墨带或打印纸，但是残留的部分热量经由绝缘层被散热装置吸收并辐射到大气中。 这抑制了加热元件之间的热干扰。 本发明还公开了一种用于控制打印机中使用的热敏头的热敏头控制器。