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    • 4. 发明申请
    • IMAGING APPARATUS
    • 成像设备
    • WO1991004867A1
    • 1991-04-18
    • PCT/JP1990001280
    • 1990-10-04
    • SEIKO EPSON CORPORATIONMIZUMOTO, TeruyukiKURIHARA, Hajime
    • SEIKO EPSON CORPORATION
    • B41J31/14
    • B82Y15/00B41J31/14
    • A thermal-transfer imaging apparatus employing a novel method of regenerating an ink sheet. The ink sheet comprises a transparent base layer serving also as a dielectric layer, an ink layer and a transparent conductive layer disposed on the side of the base layer opposite to the ink layer. Since a bias voltage is applied to a photo-conductive powdery ink used as a regenerative ink, the powdery ink which comes into contact with a printed area to which the ink layer is transferred and at which the ground insulating layer is exposed becomes electrically conductive when a beam is applied thereto, and adheres to the base layer due to an electrostatic force between it and the electrode on the beam irradiation side. On the other hand, the photo-conductive powdery ink which comes into contact with an unprinted area is restrained by a sleeve because exposure is cut off by the ink layer, and does not adhere to the ink layer. After the powdery ink is replenished selectively, the ink sheet is heated to fuse and solidify the ink and the ink sheet is regenerated. An imaging apparatus requiring a low running cost can be offered by providing a mechanism for regenerating repeatedly the ink sheet.
    • 一种使用再生油墨纸的新方法的热转印成像装置。 油墨纸包括也用作电介质层的透明基底层,设置在与墨层相对的基底层一侧上的墨层和透明导电层。 由于偏置电压被施加到用作再生墨水的光导粉末墨水上,所以与印刷区域相接触的粉状墨水,其中油墨层被转印并且接地绝缘层暴露在其上的印刷区域变得导电, 向其施加光束,并且由于其与光束照射侧上的电极之间的静电力而粘附到基底层。 另一方面,与未印刷区域接触的感光性粉末墨水被套筒抑制,因为曝光被油墨层切断,并且不粘附到油墨层上。 在粉状墨水被选择性地补充之后,油墨片被加热以熔化和固化墨水,并且油墨片材被再生。 可以通过提供用于重复地再生油墨纸的机构来提供需要低运行成本的成像设备。