CLEAN ROOM

摘要

Apparatus comprising an outside-air conditioner 2, an operation zone 4, a ceiling filter 8 such as an HEPA or ULPA filter, a fan filter unit 9 comprising a chemical filter and a draft fan arranged only on an overhead carrying apparatus 5 and storing apparatus 6 arranged in the operation zone 4 in a clean room 1 chemical mist causing chemical contamination is removed to the carrying apparatus 5 and storing apparatus 6./!