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189 条记录 (耗时 0.032 秒)

    Inkjet printhead
    24.
    发明授权
    Inkjet printhead 失效
    喷墨打印头

    公开(公告)号：US5420627A

    公开(公告)日：1995-05-30

    申请号：US864822

    申请日：1992-04-02

    申请人： Brian J. Keefe ,  Winthrop D. Childers ,  Steven W. Steinfield ,  Kenneth E. Trueba ,  Paul H. McClelland

    发明人： Brian J. Keefe ,  Winthrop D. Childers ,  Steven W. Steinfield ,  Kenneth E. Trueba ,  Paul H. McClelland

    IPC分类号： B41J2/175 ,  B41J2/16 ,  B41J2/05

    CPC分类号： B41J2/1623 ,  B41J2/162 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1634 ,  B41J2/1643

    摘要： In a print cartridge according to the preferred embodiment of the invention, a polymer tape having orifices formed therein and containing conductive traces has a substrate containing heater elements affixed to a back surface of the tape. Each of the heater elements in the substrate is located substantially behind each of the orifices. The edges of the nozzle member overlap the edges of the substrate, and the back surface of the tape is sealed with respect to an ink reservoir so that a seal substantially circumscribes the substrate. This allows ink to flow around the side edges of the substrate and into vaporization chambers associated with each orifice. The conductive traces on the tape are attached to electrodes along the shorter side edges of the substrate so as not to interfere with the edge-feed of ink along the longer edges of the substrate. A demultiplexer on the substrate requires relatively few electrodes to be formed on the substrate for supplying energization signals to the numerous heater elements formed on the substrate.

    摘要翻译： 在根据本发明的优选实施例的打印盒中，具有形成在其中并且包含导电迹线的孔的聚合物带具有包含固定在带背面的加热元件的基板。 衬底中的每个加热器元件基本上位于每个孔之后。 喷嘴构件的边缘与基底的边缘重叠，并且带的后表面相对于墨水储存器被密封，使得密封件基本上限制基底。 这允许墨流过基板的侧边缘并流到与每个孔相关联的蒸发室中。 带上的导电迹线沿着基板的较短边缘附着到电极上，以便不干扰沿着基板的较长边缘的墨水边缘进料。 衬底上的多路分解器需要在衬底上形成相对较少的电极，以向形成在衬底上的多个加热器元件提供通电信号。

    Reliable high performance drop generator for an inkjet printhead
    26.
    发明授权
    Reliable high performance drop generator for an inkjet printhead 失效
    用于喷墨打印头的可靠的高性能液滴发生器

    公开(公告)号：US5946012A

    公开(公告)日：1999-08-31

    申请号：US90968

    申请日：1998-06-04

    申请人： Kenneth J. Courian ,  John L. Stoffel ,  Richard A. Sader ,  Keshava A. Prasad ,  Steven L. Webb ,  David H. Donovan ,  Jules G. Moritz, III ,  Brian J. Keefe ,  Steven W. Steinfield ,  Winthrop D. Childers

    发明人： Kenneth J. Courian ,  John L. Stoffel ,  Richard A. Sader ,  Keshava A. Prasad ,  Steven L. Webb ,  David H. Donovan ,  Jules G. Moritz, III ,  Brian J. Keefe ,  Steven W. Steinfield ,  Winthrop D. Childers

    IPC分类号： B41J2/05 ,  B41J2/14 ,  B41J2/16

    CPC分类号： B41J2/1643 ,  B41J2/04511 ,  B41J2/04541 ,  B41J2/04543 ,  B41J2/04546 ,  B41J2/0458 ,  B41J2/04581 ,  B41J2/14024 ,  B41J2/1404 ,  B41J2/14072 ,  B41J2/14129 ,  B41J2/14145 ,  B41J2/14201 ,  B41J2/1433 ,  B41J2/1603 ,  B41J2/1623 ,  B41J2/1625 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1634 ,  B41J2202/13

    摘要： An inkjet drop ejection system comprises a combination of printhead components and ink, mutually tuned to maximize operating characteristics of the printhead and print quality and dry time of the ink. Use of a short shelf (distance from ink source to ink firing element), on the order of 55 microns, provides a very high speed refill. However, it is a characteristic of high speed refill that it has a tendency for being over-damped. To provide the requisite damping, the ink should have a viscosity greater than about 2 cp. In this way, the ink and architecture work together to provide a tuned system that enables stable operation at high frequencies. One advantage of the combination of a pigment and a dispersant in the ink is the resultant higher viscosity provided. The high speed would be of little value if the ink did not have a fast enough rate of drying. This is accomplished by the addition of alcohols or alcohol(s) and surfactant(s) to the ink. Fast dry times are achieved with a combination of alcohols, such as iso-propyl alcohol with a 4 or 5 carbon alcohol or with iso-propyl alcohol plus surfactant(s). One preferred embodiment of a short shelf (90 to 130 microns), ink viscosity of about 3 cp, and surface tension of about 54 provides a high speed drop generator capable of operating at about 12 KHz. Reducing the shelf length to about 55 microns, in combination with rotating the substrate at an angle to the scan direction, permits maximum drop generator operation as high as about 20 KHz. As a consequence of employing pigment-based inks, high optical densities are realized, along with excellent permanence (no fade and better waterfastness), and good stability. The combination of preferred ink and pen architecture provides good drop generator stability.

    摘要翻译： 喷墨墨滴喷射系统包括打印头部件和油墨的组合，其相互调节以最大化打印头的操作特性以及油墨的打印质量和干燥时间。 使用大约55微米的短搁架（墨水源到墨水喷射元件的距离）提供了非常高的速度补充。 然而，高速补充的特征是它具有过度阻尼的倾向。 为了提供必要的阻尼，油墨的粘度应大于约2cp。 以这种方式，墨水和结构共同工作，提供了一个可在高频下稳定运行的调谐系统。 油墨中颜料和分散剂的组合的一个优点是得到较高的粘度。 如果墨水没有足够的干燥速度，高速度就没有什么价值。 这通过向油墨中加入醇或醇和表面活性剂来实现。 快速干燥时间是通过醇，如异丙醇与4或5碳醇或与异丙醇加表面活性剂的组合来实现的。 短架（90-130微米），油墨粘度约为3cp，表面张力约为54的一个优选实施例提供了能够在约12KHz下操作的高速液滴发生器。 将搁板长度减小至约55微米，与基板以扫描方向成一定角度的旋转结合使得最大的液滴发生器运转高达约20KHz。 作为使用颜料基油墨的结果，实现了高的光密度，以及优异的耐久性（不褪色和更好的耐水性）和良好的稳定性。 优选的墨水和笔结构的组合提供了良好的液滴发生器稳定性。

    Ink channel structure for inkjet printhead
    28.
    发明授权
    Ink channel structure for inkjet printhead 失效
    喷墨打印头的墨水通道结构

    公开(公告)号：US5594481A

    公开(公告)日：1997-01-14

    申请号：US319893

    申请日：1994-10-06

    申请人： Brian J. Keefe ,  May F. Ho ,  Kenneth J. Courian ,  Steven W. Steinfield ,  Winthrop D. Childers ,  Ellen R. Tappon ,  Kenneth E. Trueba ,  Terri I. Chapman ,  William R. Knight ,  Jules G. Moritz, III

    发明人： Brian J. Keefe ,  May F. Ho ,  Kenneth J. Courian ,  Steven W. Steinfield ,  Winthrop D. Childers ,  Ellen R. Tappon ,  Kenneth E. Trueba ,  Terri I. Chapman ,  William R. Knight ,  Jules G. Moritz, III

    IPC分类号： B41J2/05 ,  B41J2/14 ,  B41J2/16 ,  B41J2/175 ,  G01D15/18

    CPC分类号： B41J2/17526 ,  B41J2/04543 ,  B41J2/04546 ,  B41J2/0458 ,  B41J2/14024 ,  B41J2/1404 ,  B41J2/14072 ,  B41J2/14129 ,  B41J2/14145 ,  B41J2/14201 ,  B41J2/1433 ,  B41J2/1603 ,  B41J2/1623 ,  B41J2/1626 ,  B41J2/1628 ,  B41J2/1631 ,  B41J2/1634 ,  B41J2/1635 ,  B41J2/1643 ,  B41J2/175 ,  B41J2/17509 ,  B41J2/17513 ,  B41J2/1752 ,  B41J2/17523 ,  B41J2/1753 ,  B41J2/17553 ,  B41J2/17556 ,  B41J2002/14387 ,  B41J2202/13

    摘要： Disclosed is an inkjet print cartridge including an ink reservoir; a substrate having a plurality of individual ink firing chambers with an ink firing element in each chamber along a top surface of said substrate and having a first outer edge along a periphery of substrate; the first outer edge being in close proximity to the ink firing chambers. The ink firing chambers are arranged in a first chamber array and a second chamber array and with the firing chambers spaced so as to provide 600 dots per inch printing. An ink channel connects the reservoir with the ink firing chambers, the channel including a primary channel connected at a first end with the reservoir and at a second end to a secondary channel; the primary channel allowing ink to flow from the ink reservoir, around the first outer edge of the substrate to the secondary channel along the top surface of the substrate so as to be proximate to the ink firing chambers. A separate inlet passage defined by a barrier layer for each firing chamber connecting the secondary channel with the firing chamber for allowing high frequency refill of the firing chamber. The separate inlet passage for each firing chamber having peninsulas and pinch points formed in the barrier layer to prevent cross-talk and overshoot during high frequency operation. A group of the firing chambers in adjacent relationship forming a primitive in which only one firing chamber in said primitive is activated at a time. A first circuit on said substrate connect to the firing elements and a second circuit on the cartridge connect to the first circuit, for transmitting firing signals to the ink firing elements at a frequency greater than 9 kHz. The preferred configuration of the nozzle member, ink channels, and vaporization chambers allows a printing resolution of 600 dpi and a firing rate of greater than 9 kHz.

    摘要翻译： 公开了一种包括墨水储存器的喷墨打印墨盒; 基板，具有多个单独的油墨喷射室，沿着所述基板的顶表面在每个室中具有油墨点火元件，并具有沿着基板周边的第一外边缘; 第一外边缘靠近墨喷射室。 喷墨室布置在第一室阵列和第二室阵列中，并且喷射室间隔开以提供每英寸打印600点。 墨水通道将储存器连接到喷墨室，该通道包括在第一端与储存器连接的第一通道，在第二端连接到次级通道; 主要通道允许墨水从墨水储存器沿着基板的顶表面围绕基板的第一外边缘流动到第二通道，以便靠近墨水喷射室。 一个单独的入口通道，由阻挡层限定，用于每个点火室，将次级通道与燃烧室连接，以允许高频率再充填燃烧室。 每个喷射室的独立入口通道具有形成在阻挡层中的半岛和夹点，以防止高频操作期间的串扰和过冲。 一组相邻关系中的发射室形成一个原始图案，其中一次只激活所述图元中的一个发射室。 所述衬底上的第一电路连接到点火元件，并且盒上的第二电路连接到第一电路，用于以大于9kHz的频率将点火信号发送到喷墨元件。 喷嘴构件，墨水通道和蒸发室的优选构造允许600dpi的打印分辨率和大于9kHz的点火速率。