Hitachi Metals, Ltd.

Riken Corporation

Tsutomu Kohda

Takashi Tanaka

Yutaka Matsuura

Hideo Kitamura

Toru Hara

An undulator comprises a first magnetic circuit () for forming a periodic magnetic field, a first support body () for supporting the first magnetic circuit (), a second magnetic circuit () arranged opposite to the first magnetic circuit (), for forming a periodic magnetic field, a second support body () for supporting the second magnetic circuit (), a space () formed between the oppositely arranged first magnetic circuit () and the second magnetic circuit (), for passing an electron beam, a vacuum chamber () for vacuum-sealing the first magnetic circuit () and the second magnetic circuit (), and a refrigerant passing tube () for cooling a permanent magnet (m) constituting the first magnetic circuit () and the second magnetic circuit () below the room temperature.

Growing community of inventors

Osaka, Japan

Tsutomu Kohda