Patent ID: 8182610
Filing Date: 2012-05-22
Classification: H01L

Abstract:
1. A cleaning method of a deposition mask for cleaning the deposition mask to which a deposition agent is adhered, comprising the steps of: irradiating a pulse laser to the deposition mask to separate the deposition agent from the deposition mask; opening a first valve between a cyclone and a suction blower, and closing a second valve between the cyclone and a deposition agent collection section; sucking the deposition agent from the deposition mask by the suction blower and the cyclone via a suction nozzle disposed near the deposition mask to draw air to the suction blower in the cyclone and to deposit the deposition agent on a bottom of the cyclone; and closing the first valve and opening the second valve to collect the deposition agent into the deposition agent collection section.