Patent ID: 9724735
Date: 2017-08-08
CPC Classifications: B08B,H01L

Claim:
1. A cleaning method for a mask, comprising: step 1: providing a to-be-cleaned mask, wherein the mask is made of metal and has an organic material film attached thereto; step 2: heating the to-be-cleaned mask with microwave to break up the organic material film attached to the mask; step 3: stopping the heating with microwave, and spraying a solution onto the microwave-heated mask to remove off the broken organic material film from the mask; step 4: cleaning residual organic material film on the mask with a solution; step 5: rinsing the cleaned mask to wash off residual solution on the mask; and step 6: drying the rinsed mask with microwave; wherein the step 2 and step 3 both are performed in a microwave dry cleaning tank, the step 4 is performed in a solution wet cleaning tank, and the step 5 is performed in a solution wet washing tank; and the microwave dry cleaning tank, the solution wet cleaning tank and the solution wet washing tank are adjacently arranged in order.