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    • 2. 发明授权
    • Cleaning method for a semiconductor device manufacturing apparatus
    • 半导体装置制造装置的清洗方法
    • US06989281B2
    • 2006-01-24
    • US10957609
    • 2004-10-05
    • Akihito YamamotoTakashi NakaoYuuichi MikataYoshitaka Tsunashima
    • Akihito YamamotoTakashi NakaoYuuichi MikataYoshitaka Tsunashima
    • H01L21/00
    • H01L21/67253
    • A cleaning method for a semiconductor device manufacturing apparatus includes a process of forming a film on a subject piece in a processing chamber, applying light having a predetermined wavelength to a monitoring section to indirectly monitor a thickness of a film formed on the subject piece, introducing cleaning gas capable of removing a substance deposited on the monitoring section into the processing chamber, measuring a reflection light which is the application light reflected near the monitoring section, measuring an amount of a substance corresponding to a thickness of a film deposited on the monitoring section based on a measurement result of the reflection light; and introducing, into the processing chamber, a cleaning gas which can remove the substance on the monitoring section until a measurement value of the amount of the substance on the monitoring section becomes zero.
    • 半导体器件制造装置的清洁方法包括在处理室中的被检体上形成膜的处理,将具有预定波长的光施加到监视部分,以间接监视形成在被检体上的膜的厚度,引入 清除气体,其能够将沉积在监测部分上的物质去除到处理室中,测量作为在监测部分附近反射的应用光的反射光,测量与沉积在监测部分上的膜的厚度相对应的物质的量 基于反射光的测量结果; 并且在所述处理室内引入能够去除所述监测部件上的物质直到所述监测部件上的物质的量的测量值变为零的清洁气体。