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    • 84. 发明授权
    • Ink jet record head
    • 喷墨记录头
    • US07090334B2
    • 2006-08-15
    • US11140997
    • 2005-06-01
    • Keiji TomizawaShuichi Murakami
    • Keiji TomizawaShuichi Murakami
    • B41J2/14B41J2/16
    • B41J2/1433B41J2/1404B41J2002/14169B41J2002/14387B41J2002/14403
    • An ink jet recording head having a nozzle shape capable of promptly curbing meniscus vibrations occurring on refilling and stably performing discharge is provided. In the ink jet recording head, a second discharge port portion has a form in which, with a lower side of a square on a bubbling chamber side, angles on an upper side of the square are curved respectively on any cross section perpendicular to a principal surface of an element substrate on which heaters are formed and going through the center of a discharge port, and these curves are shaped as arcs of circles of a radius R inscribed in the angles on the upper side of the square respectively.
    • 提供一种喷墨记录头,其具有能够迅速地控制在重新填充和稳定地执行放电时发生的弯液面振动的喷嘴形状。 在喷墨记录头中,第二排出口部分具有这样的形式,其中在鼓泡室侧的正方形的下侧,在正方形的上侧上的角度分别在垂直于主体的任何横截面上弯曲 在其上形成加热器并穿过排出口的中心的元件基板的表面,并且这些曲线被分别成形为在正方形的上侧上的角度内的半径R的圆弧。
    • 89. 发明授权
    • Method for manufacturing ink jet recording head, ink jet recording head and ink jet recording method
    • 喷墨记录头的制造方法,喷墨记录头和喷墨记录方法
    • US06830309B2
    • 2004-12-14
    • US09945796
    • 2001-09-05
    • Shuichi Murakami
    • Shuichi Murakami
    • B41J29393
    • B41J2/17559B41J2/14016B41J2/17543B41J2002/14475B41J2202/17
    • A method for manufacturing an ink jet recording head including a plurality of ink flow paths, a plurality of energy generating elements provided in the respective ink flow paths, and a plurality of discharge ports communicated with the respective ink flow paths. The discharge ports are formed by patterning. The method includes a measuring step for measuring a discharge port area (an opening area of the discharge port), a step for determining a discharge amount rank (indicating a discharge amount) on the basis of a relationship between a discharge port area and the ink discharge amount, and a step for writing at least one of the discharge port area, the ink discharge amount having the relationship to the discharge port area, and the discharge amount rank, on a memory mounted to the ink jet recording head.
    • 一种制造喷墨记录头的方法,该喷墨记录头包括多个油墨流动通道,设置在各个油墨流动通道中的多个能量产生元件以及与各个油墨流动通道连通的多个排出口。 排出口由图案形成。 该方法包括用于测量排出口面积(排出口的开口面积)的测量步骤,基于排出口区域和墨水之间的关系确定排出量等级(指示排出量)的步骤 以及在安装到喷墨记录头的存储器上写入排出口区域,与排出口区域有关的排墨量和排出量等级中的至少一个的步骤。