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Recycle photochemical to reduce cost of material and environmental impact
Recycle photochemical to reduce cost of material and environmental impact
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机译:回收光化学物质以降低材料成本和环境影响
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摘要
This invention discloses an apparatus for coating a semiconductor wafer in a coating chamber comprising a platform for placing the semiconductor wafer thereon. The apparatus further includes a catch and recycle (C&R) apparatus comprises a rim/ring controllable to move below and surround the platform for receiving and catching a coating material spurned off in coating the semiconductor wafer.
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