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    • 72. 发明申请
    • INK JET PRINTING APPARATUS AND INK JET PRINTING METHOD
    • 喷墨打印设备和喷墨打印方法
    • US20070165064A1
    • 2007-07-19
    • US11617208
    • 2006-12-28
    • Yoshinori MISUMINobuyuki MatsumotoHiroyuki Murayama
    • Yoshinori MISUMINobuyuki MatsumotoHiroyuki Murayama
    • B41J2/165
    • B41J2/16526B41J2/2132
    • In a structure in which a printing medium is subjected to a maintenance ejection in order to maintain a favorable ink ejection performance of a printing head, dots formed on the printing medium by the maintenance ejection have a reduced visibility. Specifically, an area of dots formed by landing ink droplets ejected from the printing head for the maintenance ejection onto the printing medium is smaller than an area of similar dots formed by a normal printing. Specifically, by flowing currents having different waveforms into an ejection heater of the printing head depending on the ejection for printing an image and the maintenance ejection, an area of dots formed by the maintenance ejection can be smaller than an area of dots formed by the normal ejection for printing an image.
    • 在打印介质进行维护喷射以保持打印头的良好的喷墨性能的结构中,通过维护喷射形成在打印介质上的点具有降低的可视性。 具体地说,将从用于保持喷射的打印头喷射的墨滴着墨到打印介质上形成的点的面积小于通常打印形成的类似点的面积。 具体而言,根据用于打印图像的喷射和维护喷射,通过将具有不同波形的电流流向打印头的喷射加热器,由维护喷射形成的点的面积可以小于由正常形成的点的面积 弹出打印图像。
    • 79. 发明授权
    • Recording unit and image recording apparatus
    • 记录单元和图像记录装置
    • US06582070B2
    • 2003-06-24
    • US09942578
    • 2001-08-31
    • Yoichi TakadaTeruo OzakiNobuyuki MatsumotoMasao Kato
    • Yoichi TakadaTeruo OzakiNobuyuki MatsumotoMasao Kato
    • B41J201
    • C09D11/40B41J2/14048B41J2/2107B41J2202/03
    • A recording unit is provided which includes an ink housing part for housing an ink containing a coloring material and an aqueous medium, and an ink jet head part for discharging an ink droplet of the ink, wherein at least one color of the ink is a polyvalent metal salt containing ink further containing a polyvalent metal salt; the ink jet head part for discharging at least the polyvalent metal salt containing ink has a configuration comprised of a substrate having on a base body, a heat-generating resistor member forming a heat-generating part, an electrode wire electrically connected to the heat-generating resistor member, and a cavitation resistant film provided on the heat-generating resistor member and the electrode wire via an insulating protection layer, and a liquid flow path communicating with a discharge port for discharging an ink droplet provided corresponding to the heat-generating part; and the cavitation resistant film includes a layer comprised of an amorphous alloy containing Ta and a layer comprised of an amorphous body of an amorphous alloy which is rich in Ta than the amorphous alloy containing Ta or a passive matter of the amorphous body provided on the layer comprised of the amorphous alloy containing Ta.
    • 提供一种记录单元,其包括用于容纳包含着色材料和水性介质的油墨的油墨容纳部分和用于排出油墨墨滴的喷墨头部分,其中至少一种油墨是多价的 还含有多价金属盐的含金属盐的油墨; 用于排放至少含多价金属盐的油墨的喷墨头部具有由在基体上形成的基板,形成发热部的发热电阻构件,与热交换器电连接的电极线, 产生电阻元件,以及通过绝缘保护层设置在发热电阻元件和电极线上的防气蚀膜,以及与用于排出对应于发热部分的墨滴排出口的液流通道 ; 并且防气蚀膜包括由包含Ta的非晶态合金和由非晶合金构成的层构成的层,所述非晶体与富含Ta的非晶合金相比富含Ta的非晶合金或者设置在该层上的非晶体的被动物质 由含有Ta的非晶合金构成。