> is there a way to remove sticky adhesive, which is left over after a > cellotape is removed. we are using cello tape for masking while etching > SiN, and when cellotape is peeled of the sticky glue is left over. Is there > a better way to remove it with out scrubbing? It depends on the type of glue. Try IPA, extraction naphtha or benzine. Sometimes acetone is enough.