[ Problem Point ]
The conventional method was in trouble because it contains metal ions in dry air.
[ ⇒Kaizen Point ]
Heated and dried in the Air Blow Heater designed for clean room.
Since heating the coated glass,and metal ion content decreased.
Related page:
No.78 Dryness of Silicon wafers by the Nitrogen gas 
No.5 Dryness of the silicon wafer 
No.66 Heat source of the Silicon wafer inspection system 
No.23 Ignition source of burner 
No.50 Dryness of the electric wire mark print 
No.63 Heating of the movable 
No.75 Aging of Printed Circuit Board 
No.93 Heat shrink the capacitor