Thanks for the answers. Most of you say Oxygen plasma, which we have been thinking of too. But as of now we don't have that available locally (we could send it away though, for certain cost). On 12/22/05, Shilewrote: > Try a photoresist stripper. I'm not aware of acetone as an ingredient > in any commercially made resist stripper. Does anytone else have an opinion about this. Might it be possuble to use a stripper when the resist is totally dried out? (BTW, we know that acetone works when the S1813 is not too aged.) /Sven