There is a nice article in the latest Circuits Assembly magazine, Setpember 1999, on "Defluxing with Ultrasonics" by Les Hymes . KennyB At 05:49 PM 9/7/99 EDT, you wrote: >In a message dated 09/07/1999 3:23:11 PM Central Daylight Time, >[log in to unmask] writes: > ><< Hi > > Is ultrasonic cleaning of an assembled PCB considered harmful to components > (IC). > > Martin >> > ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################