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    • 2. 发明授权
    • Ink jet recording head, ink jet recording device and head manufacturing method
    • 喷墨记录头,喷墨记录装置和头制造方法
    • US06527371B2
    • 2003-03-04
    • US09854625
    • 2001-05-15
    • Kenji YamazakiMasaki KataokaYoshihisa UedaMichiaki Murata
    • Kenji YamazakiMasaki KataokaYoshihisa UedaMichiaki Murata
    • B41J214
    • B41J2/14072B41J2/1404B41J2/1604B41J2/1623B41J2/1626B41J2/1631B41J2/1635B41J2/1645B41J2002/14379
    • The present invention provides an ink jet recording head in which the degree of freedom in the design of the arranged position of an electric signal input-output terminal is enhanced, its manufacturing method and an ink jet recording device, the invention is characterized as follows. The ink jet recording head is formed by laminating a heater element substrate in which a heater element and others are arranged and a passage substrate in which nozzles and others are formed. When the nozzles and others are formed by etching in the passage substrate, a cut-out portion for exposing an electric signal input-output terminal of the heater element substrate is also formed. Therefore, the degree of freedom in the design of the shape and the position of the cut-out portion in the head chip is enhanced. It is possible to prevent a hydrophobic agent from adhering to the electric signal input-output terminal to result in electric connection failure if hydrophobic treatment is applied to a nozzle forming plane by forming the head chip so that the electric signal input-output terminal is not exposed at least on the side of the nozzle forming plane owing to the cut-out portion.
    • 本发明提供了一种喷墨记录头,其中电信号输入输出端子的布置位置的设计的自由度得到增强,其制造方法和喷墨记录装置的特征如下。 喷墨记录头通过层压其中布置加热器元件的加热器元件基板和形成有喷嘴等的通道基板而形成。 当在通道基板中通过蚀刻形成喷嘴等时,还形成用于暴露加热器元件基板的电信号输入输出端子的切口部分。 因此,提高了头芯片中形状的设计自由度和切出部分的位置的自由度。 如果通过形成头部芯片对喷嘴形成平面进行疏水处理使得电信号输入输出端子不是,则可以防止疏水剂粘附到电信号输入 - 输出端子以导致电连接故障 由于切口部分,至少在喷嘴形成面的一侧露出。
    • 8. 发明授权
    • Flow rate control device, liquid-droplet ejecting device, and computer readable medium
    • 流量控制装置,液滴喷射装置和计算机可读介质
    • US08403439B2
    • 2013-03-26
    • US13112190
    • 2011-05-20
    • Kumiko TanakaJun IsozakiMasaki Kataoka
    • Kumiko TanakaJun IsozakiMasaki Kataoka
    • B41J29/38
    • B41J2/175B41J2/17596B41J2/19B41J29/38
    • A flow rate control device includes a pressure generating unit that delivers a liquid to a liquid reservoir unit including an ejecting port; a flow rate control unit that controls a flow rate of the pressure generating unit by performing a first flow rate control and a second flow rate control, the first flow rate control being to raise a pressure inside the liquid reservoir unit up to a target pressure at a first pressure change rate which is sufficiently high to float air bubbles adhering to a wall surface inside the liquid reservoir unit, the second flow rate control being to maintain the target pressure or to lower the pressure inside the liquid reservoir unit from the target pressure at a second pressure change rate lower than the first pressure change rate in order to eject air bubbles floating inside the liquid reservoir unit from the ejecting port.
    • 流量控制装置包括将液体输送到包括排出口的储液单元的压力产生单元; 流量控制单元,其通过执行第一流量控制和第二流量控制来控制所述压力发生单元的流量,所述第一流量控制是将所述储液单元内的压力升高至目标压力 第一压力变化率足够高以使附着在储液器单元内的壁面的气泡浮起,第二流量控制用于保持目标压力或者将液体储存器内部的压力从目标压力降低 第二压力变化率低于第一压力变化率,以便从排出口排出浮在储液器单元内的气泡。
    • 9. 发明申请
    • DEGASIFIER AND IMAGE FORMING APPARATUS
    • 降解器和图像形成装置
    • US20130002774A1
    • 2013-01-03
    • US13423504
    • 2012-03-19
    • Atsushi MurakamiMasaki Kataoka
    • Atsushi MurakamiMasaki Kataoka
    • B41J2/19B01D19/00
    • B41J2/175B41J2/19
    • A degasifier includes a gas chamber, a degasification unit and a resistance applying unit. The gas chamber is separated from a liquid flow path by a transmission member capable of transmitting a gas dissolving in a liquid in the liquid flow path. The degasification unit expels the gas dissolving in the liquid from the liquid by discharging the gas in the gas chamber through a discharge path so that a pressure in the gas chamber is negative. The resistance applying unit applies an inflow resistance to atmosphere which flows into the discharge path so that the gas chamber is maintained at a pressure at which the liquid can be degasified at the time of the discharging by the degasification unit while the discharge path is open to the atmosphere at all times.
    • 脱气器包括气室,脱气单元和电阻施加单元。 通过能够将溶解在液体流动路径中的气体的气体透过的传递部件与气体流路分离。 脱气单元通过排出路径排出气室中的气体,从气体中排出溶解在液体中的气体,使气室内的压力为负。 电阻施加单元对流入排出路径的气氛施加流入阻力,使得气体室在排气路径打开时在脱气单元排出时保持在液体可以脱气的压力 在任何时候的气氛。
    • 10. 发明授权
    • Droplet ejection apparatus
    • 滴液喷射装置
    • US08256861B2
    • 2012-09-04
    • US12643013
    • 2009-12-21
    • Atsushi MurakamiMasaki KataokaMasahito KatadaYuko Katada, legal representativeNatsuki Katada, legal representativeDaichi Katada, legal representativeTetsuzo Kadomatsu
    • Atsushi MurakamiMasaki KataokaMasahito KatadaTetsuzo Kadomatsu
    • B41J29/38
    • B41J2/17596B41J2/175
    • A droplet ejection apparatus includes a common flow path; droplet ejection units each respectively including a first distribution port; first flow paths that respectively connect each first distribution port to the common flow path; first open/close mechanisms provided respectively at the first flow paths; a first pressurizing unit that applies a positive pressure to the common flow path; a second open/close mechanisms provided at the common flow path at the first pressurizing unit side of connection portions that connect the common flow path and the respective first flow paths; and a controller. When the second open/close mechanism is closed, the controller opens only one or more first open/close mechanisms corresponding to one or more target droplet ejection units, applies positive pressure to a section of the common flow path at the first pressurizing unit side of the second open/close mechanism, and then opens the second open/close mechanism.
    • 液滴喷射装置包括公共流路; 液滴喷射单元分别包括第一分配口; 分别将每个第一分配端口连接到公共流动路径的第一流动路径; 分别设置在第一流路上的第一开/关机构; 对所述公共流路施加正压的第一加压单元; 第二开闭机构,其设置在连接公共流路和各自的第一流路的连接部的第一加压单元侧的公共流路上; 和控制器。 当第二打开/关闭机构关闭时,控制器仅打开与一个或多个目标液滴喷射单元对应的一个或多个第一打开/关闭机构,在第一加压单元侧的公共流动路径的一部分施加正压力 第二个打开/关闭机制,然后打开第二个打开/关闭机制。