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    • 6. 发明申请
    • SAMPLE TABLE AND MICROWAVE PLASMA PROCESSING APPARATUS
    • 样品台和微波等离子体处理装置
    • US20120211165A1
    • 2012-08-23
    • US13502829
    • 2010-09-29
    • Wataru YoshikawaKazuki MoyamaNobuyuki OkayamaKenji SudouYasuhiro Otsuka
    • Wataru YoshikawaKazuki MoyamaNobuyuki OkayamaKenji SudouYasuhiro Otsuka
    • H01L21/3065C23C16/50C23C16/458
    • H01L21/68735H01L21/6875
    • A sample table which stably holds a semiconductor wafer by maintaining smoothness of a contact surface via a lapping process and forming the contact surface to have an approximate recess shape, and a microwave plasma processing apparatus including the sample table. The sample table holds a semiconductor wafer on which a plasma process is to be performed, and includes: an adsorption plate that has a contact surface on which a lapping process has been performed and surface-contacting the semiconductor wafer, and that adsorbs the semiconductor wafer; and a supporting substrate which has a recess surface to which a noncontact surface of the adsorption plate is adhered, wherein a difference between a depth of an approximate center portion of the recess surface and a depth of a distant portion spaced apart from the approximate center portion is larger than a difference between a thickness of the adsorption plate at a portion contacting the approximate center portion and a thickness of the adsorption plate at a portion contacting the distant portion. Also, a microwave plasma processing apparatus includes the sample table.
    • 一种样品台,其通过经由研磨工艺保持接触表面的平滑度并形成接触表面以使其具有大致的凹陷形状,并且包括样品台的微波等离子体处理装置,稳定地保持半导体晶片。 样品台保持要在其上进行等离子体处理的半导体晶片,并且包括:吸附板,其具有在其上进行研磨工艺并与半导体晶片表面接触的接触表面,并且吸附半导体晶片 ; 以及支撑基板,其具有粘附有吸附板的非接触面的凹部表面,其中,所述凹部表面的大致中心部分的深度与远离所述凹部表面的大致中心部分间隔开的远处的深度之间的差 大于接触大致中心部分的部分的吸附板的厚度与接触远端部分的部分的吸附板的厚度之间的差。 此外,微波等离子体处理装置包括样品台。