Steve, Do you use O2 plasma ashing process? Is this a short process? Can you give a little bit more details? Btw, how do you know the polymers were removed? Thanks! Gene On 6/25/07, swtepla@attglobal.netwrote: > > Gene: > > Tepla has had good success in removing some sidewall polymers produced by > the Bosch process using Microwave Plasma.