Hi Sokwon I have used Shipley 354 as developer for AZ5214. I have no idea whether mf319 works..... Bin sokwon Paik wrote: > Hi! > > I want to use MF319 to develop AZ1518 layer ( I don't want to buy developer if I can...I have AZ 1518 pre-coated wafers). > > According to the manual I can use most type of positive PR developer.. So, I think I can use MF 319 for my wafer and some paper state that they used MF319 for some AZ1500 series. > > But the tehnical support person hestitate to say "yes" and instead of say yes they said I can try to develope and then if OK then I can use...... >