Whiskeys free immersion tin coating? Like this? http://www.google.com/patents/EP2494094A2 Joyce Koo Researcher Materials Interconnect Lab Office: (519) 888-7465 79945 BlackBerry: (226) 220-4760 -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez Sent: Wednesday, November 20, 2013 3:03 PM To: [log in to unmask] Subject: Re: [TN] Final Surface finish This final surface finish does NOT appear to be a HASL process. Unless, the air knives pressure was so high that it did not leave ANY RIPPLES of the copper pad surface. Victor, -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Mike Fenner Sent: Wednesday, November 20, 2013 1:52 PM To: [log in to unmask] Subject: Re: [TN] Final Surface finish Theoretically also PB-free HASL, I say theoretically because the usual alloy is Sn/Cu or modified Sn/Cu on cost grounds. Regards Mike Fenner Bonding Services & Products M: +44 [0] 7810 526 317 T: +44 [0] 1865 522 663 -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of GRIVON Arnaud Sent: Wednesday, November 20, 2013 5:19 PM To: [log in to unmask] Subject: Re: [TN] Final Surface finish Immersion Tin? Ag is known to be the anti-whisker additive for most chemistries. Best regards, Arnaud Grivon PCB/PCBA Technology Expert Thales Global Services - ESS (Engineering Shared Services) 18, avenue du Maréchal Juin Bât. C - Bureau C2-135 92366 Meudon-la-Forêt Cedex France Tél : (+33) (0)1 70 28 23 88 Visit our website : http://www.thalesgroup.com [@@ THALES GROUP INTERNAL @@] -----Message d'origine----- De : TechNet [mailto:[log in to unmask]] De la part de Victor Hernandez Envoyé : mercredi 20 novembre 2013 18:15 À : [log in to unmask] Objet : [TN] Final Surface finish Fellow TechNetters: Is there a final surface finish which has a high tin content along with some silver. It is not the traditional ImAg. The finish appears somewhat dull with good coverage on the edges of copper features. Victor, ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________ --------------------------------------------------------------------- This transmission (including any attachments) may contain confidential information, privileged material (including material protected by the solicitor-client or other applicable privileges), or constitute non-public information. Any use of this information by anyone other than the intended recipient is prohibited. If you have received this transmission in error, please immediately reply to the sender and delete this information from your system. Use, dissemination, distribution, or reproduction of this transmission by unintended recipients is not authorized and may be unlawful. ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________