The device is on glass? If it is for protection from the possible mechanical damage,i.e. fracture, some sticky blue tape very common in the lab can be used. It can be easily peeled off. But I don't know the vendor's name. Check Fisher or macmaster. Maggie Quoting Bill Moffat: > Dan, > Protection against what. If just moisture a deposited hydrophobic > film helps. Bill Moffat >