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    • 31. 发明授权
    • Recording head and recording apparatus
    • 记录头和记录装置
    • US07246873B2
    • 2007-07-24
    • US11202103
    • 2005-08-12
    • Ken Tsuchii
    • Ken Tsuchii
    • B41J2/165B41J2/015
    • 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。
    • 33. 发明授权
    • Ink jet head
    • 喷墨头
    • US06984025B2
    • 2006-01-10
    • US10419131
    • 2003-04-21
    • Mineo KanekoKen TsuchiiKeiichiro TsukudaMasaki OikawaKenji Yabe
    • Mineo KanekoKen TsuchiiKeiichiro TsukudaMasaki OikawaKenji Yabe
    • B41J2/05
    • B41J2/14056B41J2002/14169B41J2002/14185B41J2002/14387
    • An ink jet head includes a substrate provided with heat generating members for generating a bubble in ink on a surface of the substrate, a plurality of discharge ports for discharging the ink, the ports opposed to the surface of the substrate, and a plurality of ink flow passages communicating with the plurality of discharge ports to feed the ink. A plurality of the heat generating members is provided in each of the ink flow passages, and the discharge port is arranged on an extension line extending from a center of a pressure generating area composed of the plurality of heat generating members toward the surface of the substrate in a normal direction. Moreover, a distance dhc between centers of each of two heat generating members arranged most apart from each other among the plurality of heat generating members is set to be larger than a diameter do of an aperture of the discharge port. In the ink jet head, even if the center position of the discharge port and the center position of the pressure generating area are somewhat shifted from each other, main liquid droplets of the ink are discharged from the discharge port without generating no shift in their discharge directions.
    • 喷墨头包括:基板,其设置有用于在基板的表面上产生油墨的发热部件,用于排出墨水的多个排出口,与基板的表面相对的端口,以及多个墨水 与多个排出口连通的流动通道供给油墨。 在每个墨流动通道中设置有多个发热元件,并且排出口设置在从由多个发热元件组成的压力产生区域的中心朝向基板的表面延伸的延伸线 在正常的方向。 此外,将多个发热部件中彼此最大配置的两个发热部件的中心之间的距离dhc设定为大于排出口的孔径的直径do。 在喷墨头中,即使排出口的中心位置和压力​​产生区域的中心位置相互稍微偏移,墨水的主液滴从排出口排出,也不会产生排出位移 方向。
    • 38. 发明授权
    • Liquid ejection head
    • 液体喷头
    • US08474951B2
    • 2013-07-02
    • US13176650
    • 2011-07-05
    • Tomoyuki InoueKen TsuchiiEisuke NishitaniToru Yamane
    • Tomoyuki InoueKen TsuchiiEisuke NishitaniToru Yamane
    • B41J2/15B41J2/145
    • B41J2/1404
    • A liquid ejection head includes: a first and a second common liquid chamber formed in a substrate; a first nozzle array in which short and long nozzles are connected to the first common liquid chamber and alternately arranged on one side of the chamber; a second nozzle array in which short and long nozzles are connected to the first common liquid chamber and alternately arranged on the other side; a third nozzle array in which short and long nozzles are connected to the second common liquid chamber and alternately arranged on one side of the chamber; and a fourth nozzle array in which short and long nozzles are connected to the second common liquid chamber and alternately arranged on the other side; wherein the long and short nozzles formed on the one side and the long and short nozzles formed on the other side are disposed within a pitch P.
    • 液体喷射头包括:形成在基板中的第一和第二公共液体室; 第一喷嘴阵列,其中短喷嘴和长喷嘴连接到第一公共液体室并交替地布置在腔室的一侧; 第二喷嘴阵列,其中短喷嘴和长喷嘴连接到第一公共液体室并且交替地布置在另一侧上; 第三喷嘴阵列,其中短喷嘴和长喷嘴连接到第二公共液体室并且交替地布置在腔室的一侧; 以及第四喷嘴阵列,其中短喷嘴和长喷嘴连接到第二公共液体室并且交替地布置在另一侧上; 其中形成在一侧的长和短喷嘴以及形成在另一侧上的长和短喷嘴设置在间距P内。