If you would like some information on the immersion gold process in terms of reliability after ageing and the assembly yields you can get a copy of my colour report on the subject, its FREE from Shipley. It was produced two years ago when the use of the gold process was starting in Europe and many of our members were ito the process. You should contact: Arthur Wolfrum Tel: 508 481 7950 Fax: 508 229 0853 Bob Willis VP SMART Group European Surface Mount Association. Tel: 01245 351502 Fax 01245 496123