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    • 5. 发明申请
    • HIGH PRODUCTIVITY PLASMA PROCESSING CHAMBER
    • 高生产力等离子体加工室
    • US20090068356A1
    • 2009-03-12
    • US12255884
    • 2008-10-22
    • MARIO David SILVETTIDavid H. QuachBok Hoen KimThomas NowakThomas K. ChoFred H. HarizRobert B. Moore
    • MARIO David SILVETTIDavid H. QuachBok Hoen KimThomas NowakThomas K. ChoFred H. HarizRobert B. Moore
    • C23C16/00H01L21/3065
    • C23C16/4404C23C16/4586H01J37/32522H01J2237/022
    • Embodiments of the present invention are generally directed to apparatus and methods for a plasma-processing chamber requiring less maintenance and downtime and possessing improved reliability over the prior art. In one embodiment, the apparatus includes a substrate support resting on a ceramic shaft, an inner shaft allowing for electrical connections to the substrate support at atmospheric pressure, an aluminum substrate support resting on but not fixed to a ceramic support structure, sapphire rest points swaged into the substrate support, and a heating element inside the substrate support arranged in an Archimedes spiral to reduce warping of the substrate support and to increase its lifetime. Methods include increasing time between in-situ cleans of the chamber by reducing particle generation from chamber surfaces. Reduced particle generation occurs via temperature control of chamber components and pressurization of non-processing regions of the chamber relative to the processing region with a purge gas.
    • 本发明的实施例一般涉及等离子体处理室的装置和方法,其需要较少的维护和停机时间,并且比现有技术具有更高的可靠性。 在一个实施例中,该设备包括搁置在陶瓷轴上的基板支撑件,允许在大气压下与基板支撑件电连接的内轴,支撑在陶瓷支撑结构上但不固定到陶瓷支撑结构的铝基板支撑件,模锻的蓝宝石支架 衬底支撑件内部的加热元件和布置在阿基米德螺旋中的衬底支撑件内的加热元件,以减少衬底支撑件的翘曲并增加其寿命。 方法包括通过减少从室表面产生颗粒来增加室内原位清洗之间的时间。 通过腔室部件的温度控制和腔室相对于处理区域的吹扫气体的非处理区域的加压而发生减少的颗粒产生。