Patent ID: 8083463
Filing Date: 2011-12-27
Classification: H01L,Y10S

Abstract:
1. A method of using a mini clean room for preventing wafer pollution, wherein the mini clean room includes a robot arm, a clean room body slidably disposed on one end of the robot arm and at least one lock unit, the clean room body has an opening and the lock unit is pivotingly disposed on the clean room body, the method comprising the steps of: transmitting a trigger signal from the robot arm to the lock unit; in response to the trigger signal, the lock unit opening the clean room body and the robot arm extending out of the opening causing the robot arm moving back to an initial position and transmitting a trigger signal to the lock unit again to cause the lock unit to close the opening for sealing the clean room body, thereby preventing the wafer carried by the robot arm from being polluted by particles during transportation.