塑料模壳适用于混凝土密肋楼盖的模板，对IC厂房无尘车间开孔密肋楼盖可拆式模壳技术进行系统阐述，并探讨施工要点及其控制方法。

Authors expound plastic formwork technology for open waffle slab of clean room in IC workshop systematically, and discuss the key problems in construction and controlling method.

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化学蚀刻的模板也可以成锥形，但是如果只从一面腐蚀，开孔尺寸可能太大。

Maybe the chemically etched can form the taper but the hole dimension maybe too big if only etch from one side.

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