Evolution of ECU Packaging for Motorcycles

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  • Takeda Yuichi
    Monozukuri Center, Motorcycle Operations, Honda Motor Co., Ltd.
  • Inose Koji
    Monozukuri Center, Motorcycle Operations, Honda Motor Co., Ltd.
  • Sugio Daisuke
    Monozukuri Center, Motorcycle Operations, Honda Motor Co., Ltd.
  • Kuboki Tadao
    Electronics Technology Managements Electronics Design Development, Department Division1 Keihin Corporation
  • Takioka Syuichi
    Electronics Technology Managements Electronics Design Development, Department Division1 Keihin Corporation
  • Yamagata Kazuyuki
    Production Engineering Department1, Keihin Corporation
  • Homme Hidetaka
    Platform Engineering Department, Automotive Div., Tyco Electronics Japan G.K.
  • Sasajima Hideaki
    Electronic Device Materials Research Laboratory, Sumitomo Bakelite Co., Ltd.
  • Kobayashi Yuji
    Product Development Department, Production Engineering Division, CMK CORPORATION
  • Yamazaki Takahiko
    Engineering Department, Corporate Development Section, APIC YAMADA CORPORATION

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Other Title
  • 二輪車用ECUパッケージングの進化
  • 令和元年技術賞受賞講演 二輪車用ECUパッケージングの進化
  • レイワ ガンネン ギジュツショウ ジュショウ コウエン ニリンシャヨウ ECU パッケージング ノ シンカ

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<p>For the ECU that controls an electronic fuel injection system, we applied a card edge connector, which is a consumer electronics technology, and the transfer molding technology generally using a semiconductor manufacturing method. In the developed ECU, and the entire printed circuit board except the edge connector terminals was sealed with a specialized epoxy resin. This was the practical use of the world's first waterproof structure in the ECU alone. In addition, we have developed a waterproof card edge connector that mates with this ECU. A new insertion mechanism, multiple contact terminals, and the printed circuit board with little strength change were used, satisfying the durability requirements for motorcycles. These technologies, applied to the ECU, have achieved more than five times the productivity and 20% cost reduction compared to the conventional type. The developed product has been put into practical use for small motorcycles since the 2018 model.</p>

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