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首页> 外文期刊>Journal of Imaging Science and Technology >Lifetime Improvement for Full-Width-Array Piezo Ink Jet Print Head Using Matrix Nozzle Arrangement
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Lifetime Improvement for Full-Width-Array Piezo Ink Jet Print Head Using Matrix Nozzle Arrangement

机译：使用矩阵喷嘴排列的全宽阵列压电喷墨打印头的使用寿命得到改善

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摘要

Upon driving the unimorph type piezoelectric actuator of an ink jet in a high temperature high humidity environment (38℃/80%), many failures occurred after approximately 1 billion pulses. We hypothesized that the failures occurred due to hydrogen that was generated from the electrolysis of water, causing the piezoelectric element to deteriorate. Based on this hypothesis, we examined electrode materials to reduce the frequency of failures. We found that failure rate can be improved if material with high standard electrode potential is used as the electrode material on the high potential side and material with low standard electrode potential is used on the low potential side, and more specifically, if metal oxide is used for the electrode on the low potential side. Based on these findings, a combination of silver palladium for the electrode on the high potential side and stannous oxide (Sn_xO_y) for the low potential side was used as the combination of electrode materials that can be formed at low cost. Upon implementing a running test with this combination of electrode materials under a high temperature high humidity environment, we confirmed that failures do not occur even at a continuous drive of 30 billion pulses and that the long-term reliability of the unimorph type piezoelectric actuator improved significantly.
机译：在高温高湿环境（38℃/ 80％）下驱动喷墨的单压电晶片型压电致动器时，大约10亿个脉冲后发生许多故障。我们假设故障的发生是由于水电解产生的氢，导致压电元件劣化。基于此假设，我们检查了电极材料以减少故障频率。我们发现，如果将具有高标准电极电势的材料用作高电势侧的电极材料并将具有低标准电极电势的材料用于低电势侧，更具体地说，如果使用金属氧化物，则可以提高故障率。用于低电位侧的电极。基于这些发现，将用于高电势侧的电极的银钯和用于低电势侧的氧化亚锡（Sn_xO_y）的组合用作可以低成本形成的电极材料的组合。通过在高温高湿环境下使用这种电极材料组合进行运行测试，我们确认即使连续驱动300亿个脉冲也不会发生故障，并且单压电晶片型压电致动器的长期可靠性得到了显着提高。

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  • 来源
    《Journal of Imaging Science and Technology》 |2009年第5期|050305.1-050305.7|共7页
  • 作者

    Shinji Seto; Takashi Yagi; Masakazu Okuda; Shigeru Umehara; Masaki Kataoka;

  • 作者单位

    New Marking Systems Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 2274 Hongo, Ebina-shi, Kanagawa 243-0494, Japan;

    New Marking Systems Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 2274 Hongo, Ebina-shi, Kanagawa 243-0494, Japan;

    New Marking Systems Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 2274 Hongo, Ebina-shi, Kanagawa 243-0494, Japan;

    New Marking Systems Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 2274 Hongo, Ebina-shi, Kanagawa 243-0494, Japan;

    New Marking Systems Laboratory, Corporate Research Group, Fuji Xerox Co., Ltd., 2274 Hongo, Ebina-shi, Kanagawa 243-0494, Japan;

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