On 14 Oct 99 at 15:10, Sullivan, William wrote:

> > "Help,"
> >
> >       anyone with BGA design-layout or fabrication information.
> >       please
> > send me as much as you can. IM in the probe card design business
> > with BGA up to my neck.
> >

Hello Bill,

perhaps have a look on the Motorola Application Note AN1534 - it has
very good recommendations about BGA layout, technology, etc.
You can find/download it under
http://www.mot-sps.com/lit/index/Applications.html
HTH, regards
Matthias Mansfeld
-----------------------------------------------
Matthias Mansfeld Elektronik
* Printed Circuit Board Design and Assembly
Am Langhoelzl 11, D-85540 Haar, GERMANY
Phone: +49-89-4620 0937, Fax: +49-89-4620 0938
E-Mail: [log in to unmask]
Internet: http://www.mansfeld-elektronik.de

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