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    • 3. 发明授权
    • Inkjet head with high density nozzle packing
    • 喷墨头具有高密度喷嘴包装
    • US07413294B2
    • 2008-08-19
    • US10788349
    • 2004-03-01
    • Satoru TobitaYoshitaka AkiyamaToshiharu SumiyaYoshikane Matsumoto
    • Satoru TobitaYoshitaka AkiyamaToshiharu SumiyaYoshikane Matsumoto
    • B41J2/17B41J29/38B41J2/45
    • B41J2/14274B41J2/14233B41J2/145B41J2002/14362B41J2002/14491B41J2202/20
    • An inkjet head includes a common ink puddle section, a nozzle plate having a plurality of nozzle orifices, an ink flow channel substrate having grooves communicating from the common ink puddle section to the nozzle orifices, and being formed alternatively in front and back surfaces of the ink flow channel substrate, to end sections of the grooves the nozzle plate being fixed, a chamber plate being stacked on the ink flow channel substrate, and having pressure generation chambers corresponding to the nozzle orifices, a diaphragm stacking on the chamber plate opposite from the ink flow channel substrate, a pressure generator provided on the diaphragm for the respective pressure generation chambers to generate a change in an internal pressure. Preferably, a volumetric capacity of the pressure generation chambers is changed in accordance with a change in the pressure, to eject an ink droplet from the nozzle orifice.
    • 喷墨头包括公用墨水池区段,具有多个喷嘴孔口的喷嘴板,具有从公共墨水池区段连接到喷嘴孔口的槽的墨水流道基板,并且在该喷嘴孔的前表面和后表面中交替形成 墨水流路基板,固定有喷嘴板的凹槽的端部,在油墨流路基板上堆叠的室板,具有与喷嘴孔对应的压力产生室,在与该喷嘴孔相对的室板上堆叠的膜片 墨水流路基板,设置在各个压力发生室的隔膜上的压力发生器,以产生内部压力的变化。 优选地,压力产生室的体积容量根据压力的变化而改变,以从喷嘴孔排出墨滴。
    • 8. 发明授权
    • Ink jet printhead with reduced crosstalk
    • 具有降低串扰的喷墨打印头
    • US06394589B1
    • 2002-05-28
    • US09451919
    • 1999-12-01
    • Charles A. WillusStuart D. HowkinsNobuhiro NotoYoshitaka Akiyama
    • Charles A. WillusStuart D. HowkinsNobuhiro NotoYoshitaka Akiyama
    • B41J2045
    • B41J2/14274B41J2/055B41J2002/14403B41J2002/14419
    • An ink jet printhead composed of: a reservoir storing a quantity of printing ink, an ink manifold defining an ink supply volume in communication with the reservoir for holding a supply of ink received from the reservoir and a plurality of individually controlled ink jet delivery channels, each of the channels having an ink drop ejection transducer and an orifice to eject successive ink drops on demand in response to pressure pulses produced by the transducer, and each of the channels being in communication with the ink supply volume for receiving ink from the ink supply volume. The manifold is constructed to give the ink supply volume a large acoustic compliance to minimize propagation of pressure disturbances in the ink supply volume and acoustic signal crosstalk between the channels.
    • 一种喷墨打印头,包括:储存一定数量的印刷油墨的储存器,限定与储存器连通的供墨容积的油墨歧管,用于保持从储存器接收的油墨供应;以及多个单独控制的喷墨输送通道, 每个通道具有墨滴喷射传感器和孔口,以响应于由换能器产生的压力脉冲来喷射连续的墨滴,并且每个通道与供墨容器连通,用于从墨水供应墨水 卷。 歧管被构造成使墨水供应体积具有大的声学顺应性,以最小化墨水供应体积中的压力扰动的传播和声道之间的声学​​信号串扰。