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Charging and Discharging Phenomena of Plastic Encapsulated Microcircuits Used in Nanosatellites

机译:用于纳米卫星的塑料封装微电路的充电和放电现象

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摘要

Nanosatellites are generally used in low Earth orbits for diverse applications such as remote sensing, space weather monitoring, technology demonstrations, and even system engineering education. During their orbit lifetime, they often fly through the polar region and/or the South Atlantic Anomaly zone. Electrons at these regions are sufficiently energetic enough to penetrate into the thin aluminum exterior shield of nanosatellites to reach the interior electronics. Hitting these electrons may cause differential charging on electronics that is ultimately responsible for internal electrostatic discharge. On the ground, energetic electron beam experiments are conducted on the plastic encapsulated microcircuits samples that reveal electrical charging and discharging on the electronics residing inside the nanosatellites. Conformal-coated electronics show effective charging mitigation due to high energetic electrons.
机译:纳米卫星通常用于近地轨道,用于各种应用,例如遥感,太空天气监测,技术演示,甚至系统工程教育。在其轨道寿命中,它们经常飞越极地地区和/或南大西洋异常区。这些区域的电子具有足够的能量,足以穿透纳米卫星的薄铝外屏蔽层到达内部电子设备。击中这些电子可能会在电子设备上引起差异充电,最终导致内部静电放电。在地面上,对塑料封装的微电路样品进行了高能电子束实验,揭示了纳米卫星内部电子器件的充电和放电情况。由于高能电子,保形涂层的电子设备显示出有效的带电缓解能力。

著录项

  • 来源
    《Journal of Spacecraft and Rockets》 |2017年第2期|386-394|共9页
  • 作者单位

    Kyushu Inst Technol, Kitakyuhsu 8040015, Japan|Univ Texas El Paso, Mech Engn, El Paso, TX 79968 USA;

    Kyushu Inst Technol, Integrated Syst Engn, Kitakyuhsu 8040015, Japan;

    Kyushu Inst Technol, Integrated Syst Engn, Kitakyuhsu 8040015, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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