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    • 2. 发明专利
    • Liquid vaporization apparatus
    • 液体蒸发装置
    • JP2009038047A
    • 2009-02-19
    • JP2006122148
    • 2006-04-26
    • Entegris Incインテグリス・インコーポレーテッド
    • OYASHIKI YASUSHIHARAGUCHI SEIJI
    • H01L21/027G03F7/20
    • C23C16/4481
    • PROBLEM TO BE SOLVED: To solve the problem of mixing of mist in a liquid vapor fed to a semiconductor process by the use of a single vaporization apparatus.
      SOLUTION: The liquid vaporization apparatus, which achieves contact of a liquid with a carrier gas to thereby attain vaporization, comprises: a vaporization section (13) fitted with porous membranes in an air tight housing (3); a mist separation section (14) partitioned by a bulkhead (11) from the vaporization section (13) and fitted with filter materials (27, 31, 43); a liquid inlet (26) for feeding of the liquid to a liquid flow channel on the upstream of the porous membranes; a gas inlet (23) for feeding of the carrier gas to a gas flow channel on the downstream of the porous membranes; a connection passageway passing through the bulkhead (11) on the outlet side of the gas flow channel and making communication to the upstream side of the filter materials (27, 33, 43) to draw out the vapor resulting from vaporization by contact of the liquid having permeated the porous membranes with the carrier gas from the gas flow channel to the upstream side (15) of the separation section (13); and vapor outlets (29, 35) for drawing out the vapor having mist removed therefrom from the downstream side of the filter materials (27, 33, 43).
      COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:为了解决通过使用单一蒸发装置将进入半导体工艺的液体蒸气中的雾混合的问题。 解决方案:实现液体与载体气体接触从而实现蒸发的液体蒸发装置包括:在气密壳体(3)中装有多孔膜的蒸发部分(13); 由隔板(11)与蒸发部分(13)分隔并配有过滤材料(27,31,43)的雾分离部分(14); 液体入口(26),用于将液体供给到多孔膜上游的液体流动通道; 用于将载气供给到多孔膜下游的气体流路的气体入口(23) 连接通道,其穿过所述气体流动通道的出口侧上的所述隔板(11)并与所述过滤材料(27,33,43)的上游侧连通,以通过所述液体接触而抽出蒸发产生的蒸汽 已经将载气从气流通道渗透到分离段(13)的上游侧(15)的多孔膜; 以及蒸气出口(29,35),用于从所述过滤材料(27,33,43)的下游侧抽出从其中除去的雾的蒸气。 版权所有(C)2009,JPO&INPIT