Chemical supply unit and apparatus for treating a substrate

    公开(公告)号:US10699918B2

    公开(公告)日:2020-06-30

    申请号:US15484377

    申请日:2017-04-11

    Abstract: Provided is a substrate treating apparatus. The substrate treating apparatus comprises: a housing having a treating space therein; a spin head for supporting and rotating a substrate in the treating space; and a chemical supply unit having an injection nozzle for supplying a chemical to the substrate which is supported by the spin head, wherein the injection nozzle comprises a nozzle body, and wherein the nozzle body comprises an inner space for receiving a chemical and minute holes which are connected with the inner space for discharging the chemicals to downward.

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