传递窗是一种洁净室的辅助设备，主要用于洁净区 与洁净区之间、洁净区与非洁净区之间小件物品的 传递，可防止在物品传递时由于门的开启而破坏了 洁净室的气流和室内压差，更可减少作业人员进出 的次数而防止外部尘埃的进入，该设备双门有连锁 控制，以达到防止交叉污染。 

传递窗分为普通型、自净型。自净型除具有普通型 的功能外还可以吹淋被传物品表面。

Pass box is a kind of clean room accessory equipment,  mainly used in clean areas and clean areas ,and clean  areas and common area between small items between  delivery and can prevent the items pass due to the  opening of the door when the destruction of the clean  room and indoor airflow pressure difference, more can  reduce homework personnel in and out of the number  of times to prevent external dust to enter, the equipment  two-door chain control, in order to prevent cross  contamination.  

Pass box is divided into normal type and air shower type.  The air shower type of pass box has the features of  showering the surface of the goods with clean air beside  the functions of the normal type.