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    • 103. 发明授权
    • Liquid ejection head and ink jet printing apparatus
    • 液体喷射头和喷墨打印设备
    • US08523325B2
    • 2013-09-03
    • US13147213
    • 2010-02-05
    • Masataka SakuraiKen Tsuchii
    • Masataka SakuraiKen Tsuchii
    • B41J2/14B41J2/04B41J2/05
    • B41J2/04501B41J2/1404B41J2/14072B41J2/14145B41J2002/14467
    • A power supply-heater wiring and a heater-driving circuit wiring for a heater located on the right side of a supply port can be laid out utilizing a beam portion configured to separate supply ports from each other. Furthermore, a plurality of supply ports are provided to supply ink to channels and pressure chambers and separated from one another by beam portions. Thus, an ejection structure such as an ejection opening can be located on both sides of each of the supply ports. Even if the ejection structures are relatively densely arranged, the heaters and the like can have necessary and sufficient sizes and locations without being restricted by the arrangement. A wiring connecting the heater to the power supply wiring or driving circuit is also laid out on the beam portion serving as a partition wall for the supply ports.
    • 可以利用被配置为将供应端口彼此分离的梁部分布置用于位于供应口右侧的加热器的电源加热器布线和加热器驱动电路布线。 此外,提供多个供应口以向通道和压力室供应墨水并且通过光束部分彼此分离。 因此,诸如排出口的排出结构可以位于每个供给口的两侧。 即使喷射结构相对密集地布置,加热器等可以具有必要且足够的尺寸和位置,而不受该布置的限制。 将加热器连接到电源线或驱动电路的布线也布置在用作供应端口的分隔壁的梁部分上。
    • 104. 发明授权
    • Liquid ejection recording head having element substrate with plural supply ports
    • 具有多个供给口的元件基板的液体喷射记录头
    • US08083325B2
    • 2011-12-27
    • US12389981
    • 2009-02-20
    • Tomoyuki InoueKen TsuchiiMasataka SakuraiAkiko Saito
    • Tomoyuki InoueKen TsuchiiMasataka SakuraiAkiko Saito
    • B41J2/05
    • B41J2/1404B41J2/1408B41J2/14145B41J2002/14387B41J2002/14403B41J2002/14467
    • A liquid ejection recording head includes an element substrate having plural ejection energy generating elements, an ejection outlet array of plural ejection outlets, and bubble generation chambers. The element substrate includes a first liquid supply port provided along an arrangement direction of the ejection outlets, and plural second ink supply ports disposed between a lateral end of the substrate and the chambers. Each bubble generation chamber communicates with the first and second liquid supply ports through first and second liquid supply passages, respectively. The element substrate has a thermal resistance against heat flowing from the ejection energy generating elements along a direction perpendicular to the array direction and parallel to a surface of the substrate. The thermal resistance, per unit length with respect to the array direction, at both end portions of the array is larger than that at a central portion of the ejection outlet array.
    • 液体喷射记录头包括具有多个喷射能量产生元件的元件基板,多个喷射出口的喷射出口阵列和气泡发生室。 元件基板包括沿着喷射出口的排列方向设置的第一液体供应端口,以及设置在基板的横向端部和室之间的多个第二供墨口。 每个气泡产生室分别通过第一和第二液体供应通道与第一和第二液体供应口连通。 元件基板具有耐热喷射能量产生元件沿着与阵列方向垂直的方向并平行于基板表面的热阻。 阵列两端的每单位长度相对于阵列方向的热阻大于喷射出口阵列的中心部分处的热阻。
    • 106. 发明申请
    • LIQUID EJECTION RECORDING HEAD
    • 液体喷射记录头
    • US20090231394A1
    • 2009-09-17
    • US12389981
    • 2009-02-20
    • Tomoyuki InoueKen TsuchiiMasataka SakuraiAkiko Saito
    • Tomoyuki InoueKen TsuchiiMasataka SakuraiAkiko Saito
    • B41J2/05
    • B41J2/1404B41J2/1408B41J2/14145B41J2002/14387B41J2002/14403B41J2002/14467
    • A liquid ejection recording head includes an element substrate provided with a plurality of ejection energy generating elements for generating energy for ejecting liquid, an ejection outlet array comprising a plurality of ejection outlets for ejecting the liquid, and bubble generation chambers for generating bubbles by the ejection energy generating elements. The element substrate includes a first liquid supply port provided, by being penetrated through the element substrate, along an arrangement direction of the ejection outlets and includes a plurality of second ink supply ports disposed between a lateral end of the element substrate and the bubble generation chambers. Each of the bubble generation chambers communicates with the first liquid supply port through a first liquid supply passage and communicates with the second liquid supply ports through a second liquid supply passage. The element substrate has a thermal resistance against heat flowing from the ejection energy generating elements along a direction which is perpendicular to an ejection outlet array direction and which is in parallel to a surface of the element substrate on which the ejection energy generating elements are formed. The thermal resistance, per unit length with respect to the ejection outlet array direction, at both end portions of the ejection outlet array is larger than that at a central portion of the ejection outlet array.
    • 液体喷射记录头包括具有多个用于产生用于喷射液体的能量的喷射能量产生元件的元件基板,包括用于喷射液体的多个喷射出口的喷射出口阵列,以及通过喷射产生气泡的气泡产生室 能量产生元素。 元件基板包括通过沿着喷射出口的排列方向穿过元件基板设置的第一液体供给口,并且包括设置在元件基板的横向端部和气泡产生室之间的多个第二供墨口 。 每个气泡产生室通过第一液体供应通道与第一液体供应口连通,并通过第二液体供应通道与第二液体供应口连通。 元件基板具有耐喷射能量产生元件沿着与喷射出口阵列方向垂直的方向的热量的热阻,并且与形成有喷射能量产生元件的元件基板的表面平行。 在喷射出口阵列的两个端部处,相对于喷射出口排列方向的每单位长度的热阻大于喷射出口阵列的中心部分处的热阻。
    • 107. 发明申请
    • Ink jet recording head
    • 喷墨记录头
    • US20060119663A1
    • 2006-06-08
    • US11290491
    • 2005-12-01
    • Ken Tsuchii
    • Ken Tsuchii
    • B41J2/16
    • B41J2/1603B41J2/1404B41J2/1433B41J2/1639B41J2002/14475
    • The present invention aims at providing an ink jet recording head which controls an impulse force generated at the time of disappearing of a bubble with keeping an energy efficiency of ink ejection high. The ink jet recording head has a discharge port from which ink is discharged, a pressure chamber by which energy for ejection is given to ink, and a nozzle portion which makes the pressure chamber and the discharge port communicate. The nozzle portion includes a major diameter portion with a sectional area larger than an area of the discharge port, and a minor diameter portion, whose sectional area is smaller than that of the major diameter portion, along an ink ejection direction, and the minor diameter portion is provided between the major diameter portion and pressure chamber.
    • 本发明的目的在于提供一种喷墨记录头,其控制在气泡消失时产生的冲击力,同时保持喷墨的能量效率高。 喷墨记录头具有从其排出油墨的排出口,用于喷射的能量用于油墨的压力室,以及使压力室和排出口连通的喷嘴部。 喷嘴部分包括具有大于排出口的面积的截面面积的长径部分和沿着墨水喷射方向的截面积小于长径部分的截面积的小直径部分,并且小直径部分 部分设置在大直径部分和压力室之间。
    • 108. 发明申请
    • Recording head and recording apparatus
    • 记录头和记录装置
    • US20060044350A1
    • 2006-03-02
    • US11202103
    • 2005-08-12
    • Ken Tsuchii
    • Ken Tsuchii
    • B41J2/16
    • B41J2/14016B41J2002/14475B41J2002/16502
    • A recording head has a channel forming member and an element substrate. A discharge port through which liquid is discharged is formed in the channel forming member. An energy generating element for discharging the liquid is formed in the substrate. A gap forming member is arranged above the channel forming member. A moisture retention liquid retention portion which retains moisture in the vicinity of the discharge port is formed between the gap forming member and the channel forming member so as to be opened toward the discharge port side. Even if the state in which the liquid is not discharged continues, the liquid in the discharge port can be prevented from drying with the recording head having the above configuration.
    • 记录头具有通道形成部件和元件基板。 在通道形成构件中形成有排出液体的排出口。 在基板上形成用于排出液体的能量产生元件。 间隙形成部件布置在通道形成部件的上方。 在间隙形成构件和通道形成构件之间形成有将排出口附近的水分保持的保湿液保持部,朝向排出口侧开口。 即使液体未排出的状态继续,也可以防止排出口中的液体与具有上述结构的记录头干燥。
    • 109. 发明授权
    • Ink jet recording head
    • 喷墨记录头
    • US06824248B2
    • 2004-11-30
    • US10151056
    • 2002-05-21
    • Ken Tsuchii
    • Ken Tsuchii
    • B41J204
    • B41J2/14024
    • An ink jet recording head includes a recording element base plate having an ink heating portion for heating ink, and ink discharge ports for discharging ink heated by the ink heating portion; a main body portion having an ink supply path for inducing ink from an ink retaining portion; and a connecting member having a first bonding surface bonded to the main body portion, and a second bonding surface bonded to the recording element base plate. For this head, the connecting member is formed by material having a weaker stretching strength than that of the recording element base plate. With the structure thus arranged, it is possible to provide an ink jet recording head capable of printing high-quality images at all times without deforming the recording element base plate due to the difference in the bonding temperature of the recording element base plate and room temperature, or due to temperature changes at the time of driving, even if the number of nozzles increases and the recording element base plate is made longer.
    • 喷墨记录头包括具有用于加热油墨的油墨加热部分的记录元件基板和用于排出由油墨加热部分加热的油墨的喷墨口; 主体部分具有用于从墨水保持部分引导墨水的墨水供应路径; 以及连接构件,其具有接合到所述主体部的第一接合面,以及接合到所述记录元件基板的第二接合面。 对于该头部,连接构件由具有比记录元件基板的拉伸强度弱的材料形成。 利用如此布置的结构,可以提供一种能够始终打印高质量图像的喷墨记录头,而不会由于记录元件基板的接合温度的差异而导致记录元件基板的变形,并且室温 ,或由于驱动时的温度变化,即使喷嘴数量增加并且使记录元件基板更长。