Tokyo Electron Limited

Ryosuke Kanamaru

Takami Fukasawa

There is provided a transfer device for transferring a substrate. The transfer device comprises a robot arm having an arm for transferring the substrate and a driving unit for rotating the arm, a first light irradiation unit configured to irradiate light along a first optical path, a first light receiving unit configured to receive the light irradiated from the first light irradiation unit, and a control device configured to control the driving unit so that the arm is rotated across the first optical path.

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Yamanashi, Japan

Ryosuke Kanamaru