Hello! Could anyone tell me the most effective way of cleaning RMA-flux on FR4-boards as well as ceramic substrates. Both inline and batch cleaning is of interest. Component stand-off is 0.04mm in some cases and micro-BGA:s are soon in the production line. Cecilia Alkhagen Ericsson Microwave Systems AB SE-431 84 Mölndal Sweden Phone: +46 31 747 02 88 Fax: +46 31 747 26 35 ############################################################## 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 Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################