Hitachi Maxell, Limited

Kyohei Takeuchi

Keiichi Tanii

Masatoshi Hashimoto

Takahiro Shimada

The battery unit () includes a flat battery () having a positive electrode can () and a negative electrode can () and a circuit substrate () provided on one of an upper surface and a bottom surface of the flat battery (). Circuit components () are mounted at the circuit substrate (). A battery side negative electrode terminal () and a battery side positive electrode terminal () electrically connected to the flat battery () are provided on a surface of the flat battery () provided with the circuit substrate (). Substrate side terminals () electrically connected to the battery side negative electrode terminal () and the battery side positive electrode terminal () are formed at a side surface of the circuit substrate ().

Battery unit

A battery unit provided with a flat battery and a substrate having a circuit formed thereon is provided in a compact form as a whole. The battery unit () includes a flat battery () in a flat shape having an upper surface and a bottom surface and a substrate () fixed to one surface of the flat battery (). A circuit component () is mounted on a surface of the substrate () on a side of the flat battery (), and a positive electrode terminal () (charging terminal) electrically connected to a positive electrode side of the flat battery () and a negative electrode terminal () (GND terminal) electrically connected to a negative electrode side of the flat battery () are formed on a surface of the substrate () on the opposite side to the flat battery ().

Growing community of inventors

Ibaraki, Japan

Kyohei Takeuchi