Hi Technet, We are in the process of converting some of our boarddesigns from HASL to ENIG conductor finishing. Now one of our designers is worried about the effect that this change may have on heat transfer from the plated board-edges to the aluminium casing on which the board is mounted. He feels that the heattransfer from leadtin to aluminium is better that for nickel/gold to aluminium, possibly resulting in heat problems in the end product. Any ideas on this ? Daan Terstegge Thales Communications Unclassified mail Personal Website: http://www.smtinfo.net --------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------