Thomas, TDR and IConnect software has been the traditional ways of doing this type of work. Partial breaks are more difficult that full shorts and opens, but it is possible to do such detection on the basis of capacitive / inductive/ resistive changes in the signal. Thanks, -Dima ----- Original Message ----- From: "Jackson, T L" <t.l.jackson@xxxxxxxx> To: "SI-List" <si-list@xxxxxxxxxxxxx> Cc: "Johnstone, Ben" <ben.johnstone@xxxxxxxx> Sent: Tuesday, October 21, 2003 11:17 AM Subject: [SI-LIST] Rigid-Flex Testing > Does anyone have a good method for detecting partial breaks in a trace in the flex portion of a rigid-flex PCB? > > TJ > Thomas L. Jackson, P.E. > Senior Staff System Engineer > Department L1-50, Remote Sensing System Engineering > Lockheed Martin Space Systems Company > Building 149 > 1111 Lockheed Martin Way > Sunnyvale, CA 94089 > Telephone: (408) 742-2013 > Facsimile: (408) 742-7701 > > > ------------------------------------------------------------------ > 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 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 > > > ------------------------------------------------------------------ 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 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