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    • 1. 发明专利
    • Thermal erasing head for erasing information of rewritable medium, and printer using the same
    • 用于擦除可变介质信息的热擦除头和使用其的打印机
    • JP2010120383A
    • 2010-06-03
    • JP2009260848
    • 2009-11-16
    • Shandong New Beiyang Information Technology Co Ltd山東新北洋信息技術股▲分▼有限公司Shandong New Beiyang Information Technology Co., Ltd
    • DONG SHUXUNWANG CHUNTAOWANG YONGHUAOU MINGANGLIU BINGQING
    • B41J2/345B41J2/32
    • PROBLEM TO BE SOLVED: To provide an erasing head capable of reducing a detection error of a temperature detector, and capable of eliminating a problem wherein a detection result is delayed, and to provide a printer using the erasing head.
      SOLUTION: This erasing head includes a substrate, a heat generation body arranged on the substrate, and a temperature detecting layer is arranged in a heat conductive route for conducting heat to a recording medium to be erased by the heat generation body. An insulating layer and the temperature detecting layer are preferably coated sequentially in the heat conductive route for conducting the heat to the recording medium to be erased by the heat generation body. A protection layer is preferably coated further on a surface of the temperature detecting layer. The insulating layer coats a surface of the heat generation body, and is preferably extended along both sides thereof to coat the substrate, in addition thereto. The heat generation body preferably comprises a plurality of heat generation points arranged line-likely along a longitudinal direction of the substrate. The substrate is a ceramic substrate, and is provided with a glass glaze layer between the ceramic substrate and the heat generation body. A temperature detecting resistance of the erasing head can accurately reflects a target temperature to be measured.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够降低温度检测器的检测误差的消除头,并且能够消除检测结果延迟的问题,并提供使用擦除头的打印机。 解决方案:该擦除头包括基板,布置在基板上的发热体,并且温度检测层布置在用于将热量传导到由发热体擦除的记录介质的导热路径中。 绝缘层和温度检测层优选依次涂覆在导热路径中,以将热量传导到由发热体擦除的记录介质。 优选在温度检测层的表面上进一步涂布保护层。 绝缘层涂覆发热体的表面,除此之外,优选在其两侧延伸以覆盖基板。 发热体优选包括沿着基板的纵向方向线排布的多个发热点。 基板是陶瓷基板,在陶瓷基板和发热体之间设置有玻璃釉层。 擦除头的温度检测电阻可以精确地反映要测量的目标温度。 版权所有(C)2010,JPO&INPIT