GREAT posting - thanks! =20 It might be worthwhile to point out that this chemistry is only for special cases - the specific gold-plated traces of the earlier posting, or at solder joints. The vast majority of PCB traces have just plain old copper, enclosed in some dielectric (FR4 and/or soldermask), and should be modeled as such. Jeff Loyer -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of eric bogatin Sent: Wednesday, February 23, 2005 5:34 AM To: si-list@xxxxxxxxxxxxx Cc: eric@xxxxxxxxxxxxxxx; susan@xxxxxxxxxxxxxxx Subject: [SI-LIST] Skin Effect, Au, and Cu Hi folks- =20 ... text deleted ... ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: http://www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org List archives are viewable at: http://www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu