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发明名称
CVD制程气流之泵送及/或增加
摘要
本发明大致上包含一种用于一制程之辅助泵送、气体馈入与/或RF电流的方法与设备。当沉积非晶矽时之制程气体量、RF电流和真空可以小于需要用来沉积微晶矽之制程气体量、RF电流和真空。当使用单一腔室来沉积非晶矽与微晶矽两者时,将一辅助功率供应器、一辅助气体源和一辅助真空泵耦接至腔室是有利的。辅助的功率供应器、真空泵和气体源可以在沉积微晶矽时与腔室耦接,并且在沉积非晶矽时去耦接。在一丛集工具配置中,辅助的功率供应器、真空泵和气体源可以用于多个腔室,其中各腔室系皆沉积非晶矽与微晶矽。
申请公布号
TW200919763
申请公布日期
2009.05.01
申请号
TW097139613
申请日期
2008.10.15
申请人
应用材料股份有限公司
发明人
怀特约翰M
分类号
H01L31/18(2006.01);H01L21/205(2006.01);C23C16/455(2006.01);C23C16/505(2006.01)
主分类号
H01L31/18(2006.01)
代理机构
代理人
蔡坤财;李世章
主权项
地址
美国
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