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    • 1. 发明授权
    • Thermal ink jet printhead fabricating process
    • 热喷墨打印头制造工艺
    • US4789425A
    • 1988-12-06
    • US82417
    • 1987-08-06
    • Donald J. DrakeWilliam G. HawkinsStephen F. PondMichael R. CampanelliPamela J. HartmanRaymond E. Bailey
    • Donald J. DrakeWilliam G. HawkinsStephen F. PondMichael R. CampanelliPamela J. HartmanRaymond E. Bailey
    • B23P15/00B41J2/05B41J2/16G01D15/16
    • B41J2/1628B23P15/00B41J2/1603B41J2/1623B41J2/1625B41J2/1629B41J2/1631B41J2/1635B41J2/1642Y10T29/49083
    • A thermal ink jet printhead of the type which expels droplets on demand towards a recording medium from nozzles located above and generally parallel with the bubble generating heating elements contained therein is disclosed, together with fabrication processes therefor. The droplets are propelled along trajectories that are perpendicular to the heating element surfaces and from nozzles located in the printhead roof; such configuration is generally referred to as "roofshooter". Each printhead comprises a silicon heater plate and a fluid directing structural member. The heater plate has a linear array of heating elements associated addressing electrodes, and an elongated ink fill hole parallel with the heating element array. The structural member contains at least one recessed cavity, a plurality of nozzles, and a plurality of parallel walls within the recessed cavity which define individual ink channels for directing ink to the nozzles. The recessed cavity and fill hole are in communication with each other and form the ink reservoir within the printhead. The ink holding capacity of the fill hole is larger than that of the recessed cavity. The fill hole is precisely formed and positioned within the heater plate by anisotropic etching. The structural member may be fabricated either from two layers of photoresist, a two-stage flat nickel electroform, or a single photoresist layer and a single stage flat nickel electroform.
    • 公开了一种根据需要将液滴从记录介质喷出的类型的热喷墨打印头,其喷嘴位于包含在其中的产生发泡元件的上方并大致平行的喷嘴及其制造工艺。 液滴沿着垂直于加热元件表面和位于打印头顶部的喷嘴的轨迹推进; 这种构造通常被称为“屋顶运动器”。 每个打印头包括硅加热器板和流体引导结构构件。 加热器板具有与寻址电极相关联的加热元件的线性阵列和与加热元件阵列平行的细长的墨水填充孔。 结构构件在凹腔内包含至少一个凹腔,多个喷嘴和多个平行壁,其限定用于将墨引导到喷嘴的各个墨通道。 凹腔和填充孔彼此连通并在打印头内形成墨水容器。 填充孔的油墨保持能力大于凹腔的油墨保持能力。 填充孔通过各向异性蚀刻精确地形成并定位在加热器板内。 结构构件可以由两层光致抗蚀剂,两级平面镍电铸或单一光致抗蚀剂层和单级平面镍电铸制成。
    • 2. 发明授权
    • Corona generating device
    • 电晕发生装置
    • US4585320A
    • 1986-04-29
    • US680861
    • 1984-12-12
    • Robert P. AltavelaRaymond E. BaileyJoan R. EwingEdwin M. Wallin
    • Robert P. AltavelaRaymond E. BaileyJoan R. EwingEdwin M. Wallin
    • B01D53/56B01D53/81B03C3/02G03G15/02H01T19/00G03G15/00
    • H01T19/00G03G15/0258G03G15/0291Y10S430/102
    • A corona generating device for depositing negative charge on an imaging surface carried on conductive substrate comprises at least one elongated conductive corona discharge electrode, means to connect the electrode to a corona generating potential source, at least one element adjacent the corona discharge electrode capable of adsorbing nitrogen oxide species generated once the corona generating electrode is energized and capable of desorbing nitrogen oxide species once that electrode is not energized, the element being plated with a substantially continuous thin layer of lead to neutralize the nitrogen oxide species when generated. In a preferred embodiment the corona discharge electrode comprises a thin wire coated at least in a discharge area with a dielectric material and the at least one element comprises a conductive shield and an insulating housing having two sides adjacent the shield to define the longitudinal opening to permit ions emitted from the electrode to be directed toward a surface to be charged, both the shield and the two sides of the housing being plated with a substantially continuous thin layer of lead.
    • 一种用于在承载在导电衬底上的成像表面上沉积负电荷的电晕产生装置包括至少一个细长的导电电晕放电电极,用于将电极连接到电晕发生电位源的装置,与能够吸附的电晕放电电极相邻的至少一个元件 一旦电晕产生电极被通电并且一旦该电极没有被通电就能够解吸氮氧化物种类的氮氧化物物质,该元件被镀有基本上连续的铅薄层以在产生时中和氮氧化物物质。 在优选实施例中,电晕放电电极包括至少在具有电介质材料的放电区域中涂覆的细线,并且所述至少一个元件包括导电屏蔽件和绝缘壳体,该绝缘外壳具有与屏蔽件相邻的两个侧面以限定纵向开口以允许 从电极发射的离子将被引向要充电的表面,屏蔽体和壳体的两侧都镀有基本上连续的薄层铅。
    • 3. 发明授权
    • Method of forming an electroforming mandrel
    • 形成电铸心轴的方法
    • US4067782A
    • 1978-01-10
    • US795060
    • 1977-05-09
    • Raymond E. BaileyWilliam G. Herbert
    • Raymond E. BaileyWilliam G. Herbert
    • C25D5/12C25D5/44C25D5/34C25D7/04
    • C25D5/12C25D5/44
    • A process for nickel plating a cylindrically shaped hollow core mandrel suitable for chromium plating for use in an electroforming process for the production of endless seamless nickel xerographic belts, is disclosed. The process comprises providing a hollow core aluminum or aluminum alloy cylindrically shaped member and (1) anodizing this core member by using this core member as an anode in an anodizing bath where the cathode comprises lead or lead alloys and (2) nickel plating this anodized core member in a nickel electroforming bath where the core member becomes the cathode and the anode is nickel or nickel alloy. Additionally and optionally, this core member may then be (3) subjected to an acid dip bath where the core member remains for a particular length of time and, additionally, then the core member is (4) plated with chromium by placing the core member in a chromium electroplating bath with a metal anode of lead or lead alloys.
    • 公开了一种用于镍电镀圆柱形空心芯心轴的方法,适用于用于生产无限无缝镍静电复印带的电铸工艺中的镀铬。 该方法包括提供中空芯铝或铝合金圆柱形构件,以及(1)在阴极包括铅或铅合金的阳极化浴中使用该芯构件作为阳极来阳极氧化该芯构件,以及(2)该阳极氧化 镍电铸槽中的芯构件,其中芯构件变为阴极,阳极为镍或镍合金。 另外且任选地,该芯构件然后可以(3)经受酸浸浴,其中芯构件保持特定长度的时间,此外,然后,芯构件(4)通过将芯构件 在具有铅或铅合金的金属阳极的铬电镀浴中。