发明名称 Method and apparatus for improved baffle plate
摘要 An apparatus related to plasma chambers used for processing semiconductor substrates and specifically to improvements in pumping baffle plates used in plasma sources. An apparatus and method for making a baffle plate assembly formed from a modified baffle plate blank wherein a variety of pumping features are formed in the baffle plate blank and opened in a planar material removal operation.
申请公布号 US7552521(B2) 申请公布日期 2009.06.30
申请号 US20040006544 申请日期 2004.12.08
申请人 TOKYO ELECTRON LIMITED 发明人 FINK STEVEN T.
分类号 B23P15/16;B23P13/02;C23C16/455;C23F1/00;H01L21/306 主分类号 B23P15/16
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