ORGANIC SOLDERABILITY PRESERVATIVES: BENZOTRIAZOLES AND SUBSTITUTED BENZIMIDAZOLES

摘要

Organic coatings such as benzotriazoles and substituted benzimidazoles have been successfully used for a number of years in the electronics industry. They have proven to be not only reliable alternatives to HASL but down right essential for achieving acceptable first-pass yields for certain complex packaging technologies. The benzotriazoles will probably always have a niche in the industry. Meanwhile many satisfied users predict that the best of the substituted benzimidazoles will be the high volume, low cost coating alternative to HASL for years to come.