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    • 84. 发明授权
    • Interconnect circuit
    • 互连电路
    • US07032994B2
    • 2006-04-25
    • US10699275
    • 2003-10-31
    • Steve O'HaraNaoto Kawamura
    • Steve O'HaraNaoto Kawamura
    • B41J2/14
    • B41J2/14072B41J2/1753
    • A print cartridge includes a cartridge body having a lower portion and a vertical wall. A printhead is attached to the lower portion of the cartridge body. A contact array having a first pair of columnar arrays of contact areas and a second pair of columnar arrays of contact areas is disposed on the vertical wall of the cartridge. The columnar arrays extending along at least one half of the height of a region occupied by the contact array. The columnar arrays of each pair of columnar arrays converge toward each other in a direction toward the lower portion of the cartridge body.
    • 打印盒包括具有下部和垂直壁的盒体。 打印头安装在盒体的下部。 具有第一对接触区域的柱状阵列的接触阵列和第二对接触区域的柱状阵列设置在盒的垂直壁上。 柱状阵列沿着由接触阵列占据的区域的高度的至少一半延伸。 每对柱状列的柱状阵列朝向盒体的下部的方向朝向彼此会聚。
    • 87. 发明授权
    • Methods of fabricating FIT firing chambers of different drop weights on a single printhead
    • 在单个打印头上制造不同液滴重量的FIT发射室的方法
    • US06966112B2
    • 2005-11-22
    • US10317767
    • 2002-12-10
    • Naoto Kawamura
    • Naoto Kawamura
    • B41J2/235B41J2/14B41J2/16B41J2/21B21D53/76B41J2/205
    • B41J2/1628B41J2/1404B41J2/1603B41J2/1626B41J2/1631B41J2/1634B41J2/1635B41J2/1645B41J2/2125B41J2/2128B41J2002/14475Y10T29/49083Y10T29/49401
    • Inkjet printheads capable of printing smaller and larger drop-weight quantities of ink, and methods of manufacturing the inkjet printheads, are disclosed. The inkjet printhead includes a substrate. One or more portions of the substrate may be etched such that the substrate might have different thicknesses. A thin-film layer is connected to the substrate and contains independently addressable ink-energizing elements, preferably resistors. An orifice layer having a substantially planar exterior surface is applied directly to the thin-film layer. Consequently, the thickness of the orifice layer varies with the thickness of the substrate. At least one firing chamber is defined in each portion of the orifice layer with a different thickness and, preferably, different-sized resistors. Alternatively, the orifice layer has a substantially uniform thickness. In order to achieve the multiple drop-weight capability of the present invention, firing chambers of different volumes are provided. In this embodiment, firing chambers that are to provide a larger drop-weight preferably have a more powerful ink-energizing element and are laterally offset from the firing chamber nozzle aperture. Other firing chambers that are to provide a small drop-weight preferably have a less powerful ink-energizing element and are aligned with the firing chamber nozzle aperture. Thus, the present invention provides inkjet printheads capable of printing various drop-weight quantities of ink.
    • 公开了能够打印更小和更大的液滴量的墨水的喷墨打印头以及制造喷墨打印头的方法。 喷墨打印头包括基板。 可以蚀刻衬底的一个或多个部分,使得衬底可以具有不同的厚度。 薄膜层连接到基板上,并且包含独立地可寻址的墨水激励元件,优选地是电阻器。 具有基本平坦的外表面的孔层直接施加到薄膜层。 因此,孔层的厚度随着基板的厚度而变化。 在孔层的每个部分中限定具有不同厚度的至少一个焙烧室,并且优选限定不同尺寸的电阻器。 或者,孔层具有基本均匀的厚度。 为了实现本发明的多重滴重能力,提供了不同体积的燃烧室。 在该实施例中,提供较大液滴重量的燃烧室优选地具有更强大的油墨激励元件并且与燃烧室喷嘴孔横向偏移。 提供小滴重量的其他燃烧室优选地具有不太强大的油墨激励元件并与燃烧室喷嘴孔对齐。 因此,本发明提供能够印刷各种液滴量的油墨的喷墨打印头。