Hi Scott - I just presented some immersion tin and immersion silver test data at the APEX conference. Take a look at the paper titled "An Investigation of the Effects of Printed Wiring Board Surface Finish and Conformal Coating For Ball Grid Array Assembly" in the conference proceedings - it may be useful data depending on your use environments. Dave Hillman Rockwell Collins [log in to unmask] Scott Stewart <[log in to unmask]> on 03/29/2000 01:16:59 PM Please respond to "TechNet E-Mail Forum." <[log in to unmask]>; Please respond to [log in to unmask] To: [log in to unmask] cc: Subject: [TN] White Tin Hi All, Does anyone have information on White Tin as an alternative finish to HASL, OSP's, Ni/Au? How are the ionics? What Chemical Suppliers would you recommend for White Tin? Regards, Scott ############################################################## 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 ############################################################## ############################################################## 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 ##############################################################