Cody, Things have been changing considerably due to the fact that most people nowadays use high-speed SerDes links on their boards. And certainly the situation may vary dependent on which corner of the world you are doing business in. My understanding is that if high-frequency performance matters to you, the choice of available laminates may and will vary from fabricator to fabricator... Regards, Istvan Novak SUN Microsystems codymiller@xxxxxxxxxx wrote: > All, > > I have a general question regarding PCB stackup design. I am evaluating > how we design our pcb stackups in our group now and I would like to put > a procedure together or a set of rules of thumb to properly design a > stackup. I would like the procedure to ask all the right questions up > front. > > One question that came up is do PCB designers typically design with > vendor specific materials in mind or do they design with generic prepreg > and core materials. I see some pros and cons to both. What is typical in > the industry. > > Any advice would be appreciated as well as if you know of any > papers/resources on the web that could be helpful. > > Thanks, > Cody > ------------------------------------------------------------------ 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