Jim- we are the source of the image: Interconnect Technologies Regards Bill=20 On 6/8/05, Jim Antonellis <janton@xxxxxxxxxxxxx> wrote: >=20 > Hello, >=20 > I have a jpeg image showing the difference in TDR profiles > between a standard through hole via, pads removed, backdrilled > and pad/antipad tuning. A small color diagram showing the > PCB and via cross sections is also in the figure. >=20 > I consider it qualitative and not absolutely quantitative > (regardless of axis units being present) given that more > of the analysis details are missing; none-the-less, it is > a very good visual to convey the overall theme. >=20 > I would like to use this image and as such I am trying to > locate the source but my attempts to do so via (no pun intended) > google have been in vain. Does anyone recognize, from my > desription, this jpeg image, and most importantly know of it's > source? >=20 > I will upload the jpeg to the download area as soon as I figure > out how to do so (feel free to send me the instructions as I did > not see them on the page http://www.si-list.org) >=20 > Regards, > Jim >=20 >=20 >=20 > - > Jim Antonellis janton@xxxxxxxxxxxxx > Sandburst Corp www.sandburst.com > Office: 978.689.1669 > Cell: 978.618.4745 >=20 > This message and any attachments are Confidential and may be Legally > Privileged. It is intended solely for the addressee. If you are not > the intended recipient, please delete this message from your system > and notify us immediately. Any dis-closure, copying, distribution or > action taken or omitted to be taken by an unintended recipient in > reliance on this message is prohibited and may be unlawful. >=20 >=20 > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field >=20 > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list >=20 > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field >=20 > List FAQ wiki page is located at: > http://si-list.org/wiki/wiki.pl?Si-List_FAQ >=20 > List technical documents are available at: > http://www.si-list.org >=20 > 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 >=20 >=20 > ------------------------------------------------------------------ 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