Method of removing sealant used for the protection of electric or electronic part

摘要

A sealant used for the protection of an electric or electronic part is removed by contacting the sealant with tetramethylammonium hydroxide, tetrabutylammonium fluoride or the like for thereby dissolving the sealant. The method is capable of removing only the protective sealant from the electric or electronic part without causing damage to other components of the part.