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    • 1. 发明授权
    • Ink jet head and method of producing the same
    • 喷墨头及其制造方法
    • US6133926A
    • 2000-10-17
    • US630751
    • 1996-04-10
    • Jun KawaiKazuaki MasudaMasami KasamotoTeruo ArashimaYuji Kamiyama
    • Jun KawaiKazuaki MasudaMasami KasamotoTeruo ArashimaYuji Kamiyama
    • B41J2/05B41J2/14B41J2/16
    • B41J2/14024B41J2/1604B41J2/1623B41J2/1632B41J2/1637B41J2202/11Y10T29/49401
    • An ink jet head has a first member having a plurality of energy generating elements for generating energy necessary for ejecting ink, a second member having a plurality of grooves separated by land portions, the grooves constituting an array of ink channels leading to an array of ink ejecting openings and the land portions constituting ink channel walls separating the ink channels, and a pressing member for pressing the first member and the second member to each other, thereby joining these members so that the ink channels are formed by cooperation between the first member and grooves in said second member. The height of ink channel walls is varied such that it is smaller at both end regions of the array of ink channels than at the central regions of the array of ink channels. Close and tight contact between the first member and the second member is attained in the central region of the ink channel array where the ink channels actually perform ejection of ink, so that ink can be discharged accurately without any crosstalk between adjacent ink channels, thus ensuring high quality printing.
    • 喷墨头具有第一部件,该第一部件具有多个用于产生喷射油墨所需的能量的能量产生元件,第二部件具有由陆部分开的多个凹槽,该凹槽构成一组油墨通道,导致墨水阵列 排出开口和构成分隔墨水通道的墨水通道壁的接合部分,以及用于将第一部件和第二部件彼此挤压的按压部件,从而接合这些部件,使得墨水通道由第一部件和 所述第二构件中的槽。 油墨通道壁的高度是变化的,使得其在油墨通道阵列的两个端部处比在油墨通道阵列的中心区域更小。 在墨水通道阵列的中心区域,在墨水通道实际上执行墨水喷射的过程中,可以实现第一和第二部件之间的紧密接触,从而可以精确地排出墨水,而不会在相邻墨水通道之间产生任何串音,从而确保 高品质印刷。
    • 9. 发明授权
    • Ink jet head, ink jet apparatus, and method of and apparatus for
manufacturing the head
    • 喷墨头,喷墨装置,以及用于制造头部的方法和装置
    • US5992981A
    • 1999-11-30
    • US281006
    • 1994-07-27
    • Hiroshi SugitaniMasami KasamotoTsuyoshi OrikasaMasashi MiyagawaJun KawaiTeruo ArashimaMasaaki Izumida
    • Hiroshi SugitaniMasami KasamotoTsuyoshi OrikasaMasashi MiyagawaJun KawaiTeruo ArashimaMasaaki Izumida
    • B41J2/05B41J2/16
    • B41J2/14129B41J2/1604B41J2/1623B41J2/1626B41J2/1631B41J2/1634B41J2/1635B41J2/1637B41J2/1646B41J2002/14362
    • An ink jet head includes a heater board having a substrate on which a plurality of energy generating elements for generating energy utilized to discharge ink are provided, and a wall member joined to the heater board. The wall member has a plurality of flow passage walls which partially define flow passages, and the energy generated by the energy generating element acts through the flow passage so as to act on the ink to discharge the ink. The flow passages are fully defined when the heater board is joined to the wall member. A recessed portion provided in the heater board of the ink jet head is positioned between adjoining energy generating elements. The recessed portion has a bottom surface located at a position which is lower than a position for a heat acting surface of the heater board along which heat is transmitted to the ink. The flow passage walls of the wall member abut the heater board at the bottom surface. Consequently, any pressure wave generated by the energy generating element is not released to an adjacent flow passage, and crosstalk between the adjoining flow passages can be prevented. As a result, an ink jet head exhibiting excellent printing quality can be provided.
    • 喷墨头包括具有基板的加热器板,其上设置有用于产生用于排出墨水的能量的多个能量产生元件,以及连接到加热器板的壁构件。 壁构件具有多个部分地限定流动通道的流动通道壁,并且由能量产生元件产生的能量通过流动通道作用在墨上以排出墨。 当加热器板连接到壁构件时,流动通道完全限定。 设置在喷墨头的加热板中的凹部位于相邻的能量产生元件之间。 所述凹部具有位于比所述加热板的热作用面的位置低的位置的底面,所述加热板的热量向所述加热板发热。 壁构件的流动通道壁在底面处抵接加热板。 因此,由能量产生元件产生的任何压力波都不会释放到相邻的流动通道中,并且可以防止相邻流动通道之间的串扰。 结果,可以提供具有优良印刷质量的喷墨头。