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    • 33. 发明授权
    • Ink-jet recording head
    • 喷墨记录头
    • US07628472B2
    • 2009-12-08
    • US10747204
    • 2003-12-30
    • Keiji TomizawaShuichi Murakami
    • Keiji TomizawaShuichi Murakami
    • B41J2/05B41J2/15
    • B41J2/1433B41J2/1404B41J2/145B41J2002/14387B41J2002/14403B41J2002/14467B41J2002/14475
    • An ink-jet recording head includes a discharge-port portion including a first discharge-port portion continuing from a discharge port, and a second discharge-port portion communicating the first discharge-port portion with a bubble generation chamber. The second discharge-port portion has an end surface that includes a border portion bordering the first discharge-port portion and is parallel to a main surface of an element substrate. The cross-sectional area of the second discharge-port portion, anywhere from an opening surface facing the bubble generation chamber to an end surface facing the first discharge-port portion, that is parallel to the main surface of the element substrate, is larger than the area of the border portion. The cross section of the opening surface of the second discharge-port portion has a length in a direction perpendicular to an arrangement direction of the discharge ports that is greater than its length in a direction parallel to the arrangement direction.
    • 喷墨记录头包括排出口部分,该排出口部分包括从排出口连续的第一排出口部分和将第一排出口部分与气泡生成室连通的第二排出口部分。 第二排出口部具有端面,该端面包括与第一排出口部分相邻的边界部分,并且平行于元件基板的主表面。 第二排出口部分的从面向气泡产生室的开口表面到面向第一排出口部分的端面的任何位置的横截面面积与元件基板的主表面平行的面积大于 边界部分的区域。 第二排出口部分的开口表面的横截面在与排放口的排列方向垂直的方向上的长度大于其在与排列方向平行的方向上的长度。
    • 35. 发明申请
    • Novel resin modifier and polar group-containing polymer composition containing the same
    • 新型树脂改性剂和含有它的含极性基团的聚合物组合物
    • US20070173603A1
    • 2007-07-26
    • US10594091
    • 2005-03-10
    • Shuichi MurakamiSeiji OtaJunji Tan
    • Shuichi MurakamiSeiji OtaJunji Tan
    • C08L51/08C08L77/00
    • C08F8/30C08L23/0815C08L23/10C08L51/06C08L53/00C08L53/02C08L67/00C08L2205/08C08F10/00C08L2666/02
    • An object to be solved Disclosed is a novel resin modifier which enables to improve the low-temperature impact resistance of a polymer alloy including a polar group-containing polymer and an olefin polymer and enables to obtain a molded article with smooth surface when the polymer alloy is molded. Also disclosed is a polar group-containing polymer composition including the resin modifier. The polar group-containing polymer composition which is suitable in the invention is a resin composition of a polylactic acid and a polypropylene. Means for solving the object A resin modifier (C) obtained by reacting a polyolefin (A) having a group which reacts with a carbodiimide group, and a carbodiimide group-containing compound (B), wherein the content of the carbodiimide group is from 1 to 200 mmol per 100 g of the resin modifier, and a polar group-containing polymer composition (F) comprising from 1 to 30% by weight of the resin modifier (C), from 99 to 20% by weight of a polar group-containing polymer (D), and from 0 to 80% by weight of an olefin polymer (E).
    • 待解决的问题本发明公开了一种新型树脂改性剂,其能够提高包含极性基团的聚合物和烯烃聚合物的聚合物合金的低温耐冲击性,并且能够在聚合物合金时获得具有光滑表面的成型体 被模制。 还公开了包含树脂改性剂的含极性基团的聚合物组合物。 适用于本发明的含极性基团的聚合物组合物是聚乳酸和聚丙烯的树脂组合物。 解决目的的方法通过使具有与碳二亚胺基反应的基团的聚烯烃(A)和含碳二亚胺基化合物(B)反应而得到的树脂改性剂(C),其中碳二亚胺基的含量为1 至200mmol / 100g树脂改性剂和含有1-30重量%的树脂改性剂(C)的极性基团聚合物组合物(F),99-20重量%的极性基团聚合物组合物 含有聚合物(D)和0〜80重量%的烯烃聚合物(E)。
    • 37. 发明授权
    • Printing apparatus and suction recovery control method
    • 印刷装置和抽吸恢复控制方法
    • US06752485B2
    • 2004-06-22
    • US10351417
    • 2003-01-27
    • Shuichi MurakamiToshiharu InuiYoshiyuki TougeMasaya Uetsuki
    • Shuichi MurakamiToshiharu InuiYoshiyuki TougeMasaya Uetsuki
    • B41J2165
    • B41J2/16532
    • An ink-jet printing apparatus and suction recovery control method which can minimize reduction in throughput while maintaining a printhead in the most appropriate condition, and can reduce the amount of wasted ink. According to the suction recovery control method, a printing period of predetermined printing operation is timed, and the number of print dots formed by discharging ink from a printhead during the predetermined printing operation is counted. Based on the timed printing period and counted number of print dots, the number of print dots per unit time is calculated. Then based on the calculated number of print dots per unit time, timing of suction recovery operation is determined, and suction recovery operation of the printhead is performed according to the determined timing.
    • 一种喷墨打印设备和抽吸恢复控制方法,其可以在将打印头保持在最适当的状态的同时最小化吞吐量,并且可以减少浪费的墨水量。 根据抽吸恢复控制方法,对预定打印操作的打印周期进行定时,并且对在预定打印操作期间从打印头排出墨水形成的打印点的数量进行计数。 根据定时的打印期间和打印点的数量,计算出每单位时间的打印点数。 然后,基于计算出的每单位时间的打印点数,确定抽吸恢复操作的定时,并且根据所确定的定时执行打印头的抽吸恢复操作。
    • 39. 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。