发明名称 Vacuum processing equipment
摘要 A vacuum processing equipment is disclosed, which comprises a vacuum chamber and main and fore vacuum pumping mechanism for pumping down the vacuum chamber. The fore vacuum pumping mechanism includes a cooling means and a residual gas trapping means coupled to the cooling means. The cooling means is provided outside the vacuum chamber. The residual gas trapping means is provided in a zone of the vacuum chamber free from interference with the vacuum processing.
申请公布号 US5340460(A) 申请公布日期 1994.08.23
申请号 US19910746920 申请日期 1991.08.19
申请人 ANELVA CORPORATION 发明人 KOBAYASHI, MASAHIKO;TAKEMURA, HIROBUMI;ISHIDA, TETSUO;TAKAHASHI, NOBUYUKI
分类号 C23C14/54;C23C14/00;C23C14/56;(IPC1-7):C23C14/34 主分类号 C23C14/54
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