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    • 4. 发明申请
    • METHODS FOR EXTENDING THE LIFETIME OF PRESSURE GAUGES COUPLED TO SUBSTRATE PROCESS CHAMBERS
    • 用于延长与底板加工室相连的压力计的寿命的方法
    • WO2011137009A2
    • 2011-11-03
    • PCT/US2011/033330
    • 2011-04-20
    • APPLIED MATERIALS, INC.CRUSE, James, P.
    • CRUSE, James, P.
    • H01L21/02H01L21/3065H01L21/205
    • H01L21/67017
    • Methods of extending the lifetime of pressure gauges coupled to process chambers are disclosed herein. In some embodiments, the methods may include isolating the pressure gauge from a processing volume of the process chamber, increasing a moisture content of the processing volume to above a desired moisture level while the pressure gauge is isolated from the processing volume of the process chamber, reducing a moisture content of the processing volume to a desired moisture level, wherein the processing volume has a leak rate of about 2 mTorr/min or less at the desired moisture level, and exposing the pressure gauge to the processing volume after reaching the desired moisture level. In some embodiments, the moisture content of the process chamber may be increased by performing a cleaning process in the process chamber or by allowing air to enter the processing volume.
    • 本文公开了延长耦合到处理室的压力计寿命的方法。 在一些实施例中,所述方法可以包括将压力计与处理室的处理容积隔离,将处理容积的水分含量提高到高于所需水分水平,同时压力计与处理室的处理容积隔离, 将处理体积的水分含量降低到所需的水分含量,其中处理体积在所需水分含量下具有约2mTorr / min以下的泄漏速率,并且在达到所需水分后将压力表暴露于处理体积 水平。 在一些实施例中,可以通过在处理室中执行清洁处理或者允许空气进入处理容积来增加处理室的水分含量。