Target substance replenishment device, extreme ultraviolet light generation apparatus, and electronic device manufacturing method

    公开(公告)号:US12150233B2

    公开(公告)日:2024-11-19

    申请号:US17831255

    申请日:2022-06-02

    Abstract: A target substance replenishment device may include a first container containing a solid target substance, a first path through which the solid target substance supplied from the first container passes, a first supply switching device switching between a first state where supply of the solid target substance from the first container to the first path is suppressed and a second state where the supply of the solid target substance from the first container to the first path is allowed, a first valve connected to the first path, a second path which is connected to the first valve and through which the solid target substance having passed through the first valve passes, a first detector outputting a first detection signal indicating that the second path is clogged with the solid target substance, and a processor controlling the first supply switching device to the first state based on the first detection signal.

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