There is a worthwhile paper regarding 90 degree bends at: http://www.montrosecompliance.com/Technical_papers/corners-Japan.pdf At 09:55 PM 7/24/2006, Dhaval Bhodia wrote: >Dear Experts > I want to know that why PCB tracks can not have >90 degree bend ? second why 45 degree bend is most >preferable ? anybody has made any analysis on bending >of PCB tracks ? what are the technical issues will >come if some one makes 90 degree bend in PCB ? What >are electrone and transmission line charasterisic >stops to make that 90 degree turn in PCB tracks ? >Regards >Dhaval snip ------------------------------------------------------------------ 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: //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: //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