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风机过滤机组

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微电子生产用无尘室之天花板骨架安装风机过滤机组

风机过滤机组(英文: Fan Filter Unit,简称: FFU),是一种结合送风机与高效滤网(HEPA/ULPA)气流循环与过滤之无尘室洁净设备,主要是用来过滤来自作业场所空气中所存在有害空气中的粉尘颗粒,提供洁净之空气。FFU的无尘室大致可分层流型(laminar)与紊流型(turbulent)无尘室两大类[1],层流型都在Class 1000以下,而紊流型无尘室则是在Class 1000以上;主要安装于无尘室天花板上及机台上方[2],或网格地板内安装此设备,提供无尘室与机台所需之气流循环与空气滤净;在台湾,使用此设备大致采送风式居多。

设备之使用环境大多为半导体电子资讯航太制药生物工程医疗食品实验室等高产业领域,而这些领域之生产环境皆具备严苛的高要求。FFU之经常使用由于在空间中有一定高度限制,设置较小的内部地板尺寸的唯一系统。此外,若涉及小于20的过滤器时,则风扇供电HEPA,FFU之设计往往被认为是可比传统的管道式供给系统来得更便宜。[3]

参考文献

[编辑]
  1. ^ 风机─滤网机组(Fan-Filter Unit)技术页面存档备份,存于互联网档案馆) 台湾绿色生产力基金会
  2. ^ 无尘室风机-滤网机组的测试页面存档备份,存于互联网档案馆) 半导体科技 2005年5月3日
  3. ^ CleanRooms 页面存档备份,存于互联网档案馆22. March 2008. p. 36. ISSN 1043-8017. Retrieved 26 October 2011.
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风机过滤机组
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