Hitachi, Ltd.

Yoshiaki Horita

Fumiyuki Kobayashi

Shizuo Zushi

Mitsuo Miyamoto

Norio Sengoku

A first mother board among a plurality of mother boards is mounted adjacent to a reference mother board and a second mother board among said plurality of mother boards is mounted in a position rotated 180.degree. about the horizontal centerline of the second mother board and mounted back to back to the first mother board, whereby the reference mother board and the first and second mother boards can be interconnected at a minimal distance.

Growing community of inventors

Hadano, Japan

Yoshiaki Horita