Sanyo Electric Co., Ltd.

Hitoshi Aoki

Takeo Komatsubara

Junichi Motegi

Hirotaka Kakinuma

Junichi Kubota

Naoki Otsuka

Masaya Matsuoka

An electronic device capable of efficiently cooling an integrated circuit element provided in such a way as to enable a heat exchange on a cold plate. The electronic device contains a circuit board mounted with an integrated circuit element requiring measures against heat generation in a single case, comprising: a cold plate mounted on the integrated circuit element in such a way as to enable a heat transfer from the integrated circuit element; a heat exchanger for cooling brine heated by the cold plate by circulating the brine; a fan casing forming an air way from a blower fan at an opening on a surface of the case to the heat exchanger; a reserve tank and a pump provided in order in a brine flow from the heat exchanger to the cold plate; and a linear brine passage formed in the cold plate and having at least one pair of back and forth channels.

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Saitama, Japan

Hitoshi Aoki