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    • 5. 发明授权
    • Liquid ejecting method and liquid ejecting head
    • 液体喷射方法和液体喷射头
    • US06350016B1
    • 2002-02-26
    • US09245043
    • 1999-02-05
    • Masayoshi TachiharaYasuyuki TamuraShuichi Murakami
    • Masayoshi TachiharaYasuyuki TamuraShuichi Murakami
    • B41J205
    • B41J2/1404B41J2/14024B41J2002/14169B41J2002/14387
    • A liquid ejecting method using a liquid ejecting head having electrothermal transducer elements for generating thermal energy sufficient to create bubbles in liquid and ejection outlets disposed opposed to the electrothermal transducer elements which are arranged at a density not less than 300 per 25.4 mm in a line, the liquid ejection head also having liquid flow paths in fluid communication with the ejection outlets, respectively, wherein the bubble generated by the thermal energy generated by the electrothermal transducer element is brought into communication with ambience while an internal pressure of the bubble is less than an ambient pressure, and wherein droplets having volumes not more than 15×10−15 m3 are ejected at a frequency not less than 7 kHz, said method includes the improvement wherein the liquid flow path of the liquid ejecting head has a height not less than 6 &mgr;m, and a distance between an upper surface and a lower surface of the ejection outlet is not more than one half of a minimum opening distance through a center of the ejection outlet.
    • 一种使用具有电热换能器元件的液体喷射头的液体喷射方法,该液体喷射头用于产生足以在液体中产生气泡的热能和与电热换能器元件相对设置的喷射口,该电热换能器元件以不小于每一直线25.4mm的300密度排列, 液体喷射头还具有分别与喷射出口流体连通的液体流动路径,其中由电热换能器元件产生的热能产生的气泡与气氛相通,而气泡的内部压力小于 环境压力,并且其中具有不大于15×10-15m 3的体积的液滴以不小于7kHz的频率喷射,所述方法包括改进,其中液体喷射头的液体流动路径具有不小于6μm的高度, 并且喷射出口的上表面和下表面之间的距离不大于1 通过喷射出口中心的最小开口距离的一半。
    • 7. 发明授权
    • Ink liquid fixing device and ink jet recording apparatus provided with such ink liquid fixing device
    • 具有这种油墨定影装置的油墨液体定影装置和喷墨记录装置
    • US06439712B1
    • 2002-08-27
    • US08567233
    • 1995-12-05
    • Michinari MizutaniYasuyuki Tamura
    • Michinari MizutaniYasuyuki Tamura
    • B41J201
    • B41J2/01B41J11/002
    • An ink liquid fixing device used for an ink jet recording apparatus for discharging ink liquid onto a recording medium arranged on a given feeding path for the formation of images on the medium includes a housing, a first aperture for inducing air into the housing, a second aperture having a width wider than that of the recording medium arranged on the feeding path, this second aperture being arranged to face the recording surface of the recording medium arranged on the feeding path with given gaps formed between them on the upstream and downstream sides in the feeding direction thereof, a heat emitting source facing the recording surface of the recording medium through the second aperture side portions arranged around the heat emitting source, with the first aperture being arranged on one end and the second aperture on the other end thereof, and exhaust means for inducing the air outside the housing into the housing through the first aperture to guide the air to the recording surface of the recording medium by way of the heat emitting source and second aperture, and to exhaust the air outside the housing by forming the air flow through the aforesaid gaps toward the upstream and downstream sides in the feeding direction of the recording medium. Hence the prints on the recording medium are fixed rapidly at lower running costs.
    • 用于喷墨记录装置的油墨定影装置,用于将墨液排出到布置在用于在介质上形成图像的给定进给路径上的记录介质上,用于在介质上形成图像包括壳体,用于将空气引入壳体的第一孔,第二孔 孔的宽度大于布置在馈送路径上的记录介质的宽度,该第二孔布置成面对设置在馈送路径上的记录介质的记录表面,在它们之间形成有在其上游和下游侧的给定间隙 通过布置在发热源周围的第二开口侧部分,面向记录介质的记录表面的发热源,其第一孔布置在一端,而另一端的第二孔和排气 用于通过第一孔将外壳外部的空气引导到壳体中以将空气引导到记录表面的装置 的记录介质,并且通过在记录介质的进给方向上形成通过上述间隙的空气流向上游侧和下游侧排出外部空气的空气。 因此,记录介质上的打印件以较低的运行成本快速固定。
    • 10. 发明授权
    • Driving method ink jet head
    • 喷墨头的驱动方法
    • US5798772A
    • 1998-08-25
    • US848722
    • 1997-05-19
    • Masayoshi TachiharaYasuyuki Tamura
    • Masayoshi TachiharaYasuyuki Tamura
    • B41J2/05B41J2/07B41J2/365
    • B41J2/04508B41J2/04528B41J2/04533B41J2/04541B41J2/04543B41J2/04563B41J2/0458B41J2/04588B41J2/0459B41J2/04591B41J2/04596B41J2/072B41J2/3551B41J2/365
    • There is provided a driving method for an ink jet head comprising one or more discharge ports for discharging the ink, a substrate incorporating one or more heat generating elements for generating the heat energy, each of which is provided correspondent to each discharge port, and a support plate or casing on which the substrate is mounted. The method is characterized in that when recording an image with the ink jet head in which the heat energy for discharging the ink in accordance with an image signal is generated in the heat generating elements, and the thermal resistance value passing through said support plate or casing is lower than that not passing through the support plate or casing among the thermal resistance between the substrate and externally of the apparatus (E.sub.max -E)/(V.sub.max -V) is controlled to be always substantially constant whenever E.noteq.E.sub.max, providing that the thermal energy generated in the substrate is E.sub.max when the ink jet head discharges the ink with a maximum volume of V.sub.max, the ink discharge volume in accordance with the image signal is V, and the heat energy generated in the substrate at this time is E.
    • 提供了一种用于喷墨头的驱动方法,该喷墨头包括一个或多个用于排出墨的排出口,一个底板,其内装有一个或多个用于产生热能的发热元件,每个发热元件设置在每个排出口上, 支撑板或套管,其上安装有基板。 该方法的特征在于,当利用其中在发热元件中产生根据图像信号排出墨的热能的喷墨头记录图像,并且通过所述支撑板或壳体的热电阻值 低于在衬底和设备外部(Emax-E)/(Vmax-V)之间的热阻之间不通过支撑板或壳体的情况,每当E NOTEQUAL Emax被控制为总是基本恒定,条件是 当喷墨头以最大体积的Vmax排出油墨时,在基板中产生的热能为Emax,根据图像信号的油墨排出量为V,此时在基板中产生的热能为E.