That sounds like a homework question. You can answer it by determining what properties would you expect to change by changing the cross-section shape. Then determine whether those property changes will impact your SI. Steve. Paniraj G. wrote: > Hi Gurus, > > > I am relatively new to PCBs and SI. I have a small query on the PCB trace > shapes. > > Currently the PCB trace cross-sections are rectangular (may not be exact due > to process constraints). > > If the cross-section happens to be circular, what affect it will have on the > SI( any Pros and Cons). > > > > Regards, > > Paniraj G > > > > > > > > DISCLAIMER: > This message (including attachment if any) is confidential and may be > privileged. Before opening attachments please check them for viruses and > defects. MindTree Consulting Limited (MindTree) will not be responsible for > any viruses or defects or any forwarded attachments emanating either from > within MindTree or outside. If you have received this message by mistake > please notify the sender by return e-mail and delete this message from your > system. Any unauthorized use or dissemination of this message in whole or in > part is strictly prohibited.Please note that e-mails are susceptible to > change and MindTree shall not be liable for any improper, untimely or > incomplete transmission. > E-mail may contain viruses. Before opening attachments please check them for > viruses and defects. While MindTree Consulting Limited (MindTree) has put in > place checks to minimize the risks, MindTree will not be responsible for any > viruses or defects or any forwarded attachments emanating either from within > MindTree or outside. > > ------------------------------------------------------------------ > 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 technical documents are available at: > http://www.si-list.net > > 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 > > > > > -- Steve Weir Teraspeed Consulting Group LLC 121 North River Drive Narragansett, RI 02882 California office (408) 884-3985 Business (707) 780-1951 Fax Main office (401) 284-1827 Business (401) 284-1840 Fax Oregon office (503) 430-1065 Business (503) 430-1285 Fax http://www.teraspeed.com This e-mail contains proprietary and confidential intellectual property of Teraspeed Consulting Group LLC ------------------------------------------------------------------------------------------------------ Teraspeed(R) is the registered service mark of Teraspeed Consulting Group LLC ------------------------------------------------------------------ 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 technical documents are available at: http://www.si-list.net 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