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    • 41. 发明授权
    • Ink jet recording head and recording apparatus
    • 喷墨记录头和记录装置
    • US07862159B2
    • 2011-01-04
    • US12246886
    • 2008-10-07
    • Junji TatsumiHideo Saikawa
    • Junji TatsumiHideo Saikawa
    • B41J2/05
    • B41J2/1404
    • An ink jet recording head includes a recording element substrate including an ejection outlet array consisting of a plurality of arranged ejection outlets for ejecting ink, a plurality of heat generating elements, provided correspondingly to the ejection outlets, for generating thermal energy for ejecting the ink, and a supply port, formed along the ejection outlet array in an elongated hole-like shape, for supplying the ink to the ejection outlets; and a supporting member, having a supply flow passage communicating with the supply port, for supporting the recording element substrate. The supporting member is provided with at least two beams each extending over an opening of the supply flow passage in a widthwise direction of the supply flow passage and having a width W with respect to a longitudinal direction of the supply flow passage. At least two beams described above are disposed within a range from a center of the supply flow passage with respect to the longitudinal direction toward both longitudinal end sides of the supply flow passage by 2.5 W for each of the end sides and are spaced 2 mm or more apart.
    • 喷墨记录头包括记录元件基板,该记录元件基板包括喷射出口阵列,喷射出口阵列由多个排列的用于喷射墨水的喷射出口组成;多个发热元件,与喷射出口相对设置,用于产生用于喷射墨水的热能; 以及沿喷射出口阵列形成为细长孔状形状的供应口,用于将墨供给到喷射出口; 以及支撑构件,具有与供给口连通的供给流路,用于支撑记录元件基板。 支撑构件设置有至少两个梁,每个梁在供给流路的宽度方向上在供给流路的开口上延伸,并且具有相对于供给流路的纵向方向的宽度W. 上述至少两个梁设置在供应流动通道的中心相对于供应流动通道的纵向方向的两个纵向端侧的范围内,每个端部侧面为2.5W,并且间隔开2mm或 更分开
    • 44. 发明授权
    • Ink jet recording head and an ink jet recording apparatus
    • 喷墨记录头和喷墨记录装置
    • US06179411B2
    • 2001-01-30
    • US09149278
    • 1998-09-09
    • Hideo SaikawaRyoji Inoue
    • Hideo SaikawaRyoji Inoue
    • B41J214
    • B41J2/14129B41J2/14056B41J2202/11
    • An ink jet recording head comprises a discharge port for discharging ink, two electrothermal converting elements for generating thermal energy utilized for discharging the ink, and an ink flow path provided with the two electrothermal converting elements, at the same time, being conductively connected with the discharge port, and this head has a first discharge mode for discharging liquid droplets from the discharge port when the electrothermal converting element on the side nearer to the discharge port, of the two electrothermal converting elements, receives driving signals to generate the thermal energy, and also, a second discharge mode for discharging liquid droplets from the discharge port in the larger discharge amount than that of the first mode when both of the two electrothermal converting elements receive driving signals to generate the thermal energy. Then, of the two electrothermal converting elements, the length of the electrothermal converting element on the side farther away from the discharge port in the ink discharge direction is made shorter than that of the other electrothermal converting element. With the ink jet recording head thus structured, it is possible to perform higher speed printing in higher image quality and higher gradation.
    • 喷墨记录头包括用于排出墨的排出口,用于产生用于排出墨的热能的两个电热转换元件和设置有两个电热转换元件的墨流路,同时与 并且该头部具有第一放电模式,用于当两个电热转换元件的更靠近排出口侧的电热转换元件接收驱动信号以产生热能时,从排出口排出液滴;以及 此外,当两个电热转换元件都接收驱动信号以产生热能时,第二放电模式用于以比第一模式更大的放电量从放电端口排出液滴。 然后,在两个电热转换元件中,使电热转换元件在喷墨方向上远离排出口的一侧的长度比其他电热转换元件的长度短。 通过这样构造的喷墨记录头,可以以更高的图像质量和更高的灰度进行更高速的打印。
    • 45. 发明授权
    • Printing head
    • 打印头
    • US08246146B2
    • 2012-08-21
    • US12483457
    • 2009-06-12
    • Kyosuke TodaHideo SaikawaKeiichiro TsukudaTakayuki Ono
    • Kyosuke TodaHideo SaikawaKeiichiro TsukudaTakayuki Ono
    • B41J2/135
    • B41J2/1752B41J2/17553
    • A printing head includes a printing element substrate that is hard to be deformed even if the printing head falls by mistake. The printing head comprises element substrate in which an energy generating element for generating energy used for ejecting ink is provided, a first sheet-shaped portion to which the element substrate is provided, a second sheet-shaped portion provided away from the first sheet-shaped portion at an opposite side to a direction of ejecting the ink in relation to the first sheet-shaped portion, and a sheet-shaped wall member connecting the first sheet-shaped portion to the second sheet-shaped portion, wherein the wall member has a thickness of a portion connected to the second sheet-shaped portion, which is larger than a thickness of a portion connected to the first sheet-shaped portion.
    • 打印头包括即使打印头错误地落下也难以变形的打印元件基板。 打印头包括其中设置有用于产生用于喷射墨水的能量的能量产生元件的元件基板,设置有元件基板的第一片状部分,设置在第一片状部分之外的第一片状部分 在相对于第一片状部分喷射油墨的方向的相反侧的部分;以及将第一片状部分连接到第二片状部分的片状壁构件,其中壁构件具有 连接到第二片状部分的部分的厚度大于连接到第一片状部分的部分的厚度。
    • 47. 发明申请
    • PRINTING HEAD
    • 打印头
    • US20090309923A1
    • 2009-12-17
    • US12478313
    • 2009-06-04
    • Hideo SaikawaKyosuke TodaKeiichiro TsukudaTakayuki Ono
    • Hideo SaikawaKyosuke TodaKeiichiro TsukudaTakayuki Ono
    • B41J2/135
    • B41J2/14024B41J2/1752B41J2/17553B41J2002/14362
    • There is provided a printing head, enabling to suppress the occurrence of cracks in a printing element substrate, even if the printing head is erroneously fallen. The printing head comprises: a printing element substrate, an ink flow passage and a sheet-shaped portion comprising a rectangular major surface. A rear surface side of the major surface of the sheet-shaped portion is provided with a space formed separately from the ink flow passage. A surface adjacent to the major surface is provided with an opening of the space formed therein, and wherein the sheet-shaped portion is provided with a concave portion formed on the rear surface side of two regions between the printing element substrate and two corner portions arranged proximate to the opening in the major surface.
    • 提供了一种打印头,即使打印头被错误地下降,也能够抑制印刷元件基板中的裂缝的发生。 打印头包括:打印元件基板,墨水流动通道和包括矩形主表面的片状部分。 片状部分的主表面的后表面侧设置有与墨水流动通道分离形成的空间。 与主表面相邻的表面设置有形成在其中的空间的开口,并且其中片状部分设置有形成在打印元件基板与两个角部之间的两个区域的背面侧上的凹部, 靠近主要表面的开口。
    • 48. 发明申请
    • INK JET RECORDING HEAD AND RECORDING APPARATUS
    • 喷墨记录头和记录装置
    • US20090102893A1
    • 2009-04-23
    • US12246886
    • 2008-10-07
    • Junji TatsumiHideo Saikawa
    • Junji TatsumiHideo Saikawa
    • B41J2/05
    • B41J2/1404
    • An ink jet recording head is constituted by a recording element substrate including an ejection outlet array consisting of a plurality of arranged ejection outlets for ejecting ink; a plurality of heat generating elements, provided correspondingly to the ejection outlets, for generating thermal energy for ejecting the ink; and a supply port, formed along the ejection outlet array in an elongated hole-like shape, for supplying the ink to the ejection outlets; and a supporting member, having a supply flow passage communicating with the supply port, for supporting the recording element substrate. The supporting member is provided with at least two beams each extending over an opening of the supply flow passage in a widthwise direction of the supply flow passage and having a width W with respect to a longitudinal direction of the supply flow passage. At least two beams described above are disposed within a range from a center of the supply flow passage with respect to the longitudinal direction toward both longitudinal end sides of the supply flow passage by 2.5 W for each of the end sides and are spaced 2 mm or more apart.
    • 喷墨记录头由包括喷墨出口阵列的记录元件基板构成,该排出口阵列由多个排列的用于喷墨的喷墨口组成; 多个发热元件,与喷射口相对设置,用于产生用于喷射油墨的热能; 以及沿喷射出口阵列形成为细长孔状形状的供应口,用于将墨供给到喷射出口; 以及支撑构件,具有与供给口连通的供给流路,用于支撑记录元件基板。 支撑构件设置有至少两个梁,每个梁在供给流路的宽度方向上在供给流路的开口上延伸,并且具有相对于供给流路的纵向方向的宽度W. 上述至少两个梁设置在供应流动通道的中心相对于供应流动通道的纵向方向的两个纵向端侧的范围内,每个端部侧面为2.5W,并且间隔开2mm或 更分开