>
> Dear members,
>
> I wander if there is anyone out there could tell me the following
> physical constants:
>
> Relative Permeability and resistivity (rho) for Eutectic Sn/Pb.
>
> I need these data for modeling solder ball for BGA package. Thanks...
>
> regards,
> Pak Hong.
Mr. Hong:
You might try posting this question to the email listserv:
This is a very active mail forum sponsored by the IPC with ongoing
dialogs among numerous manufacturing technologists, who have a
great range of experience with solder compositions, materials
properties, assembly processes, etc.
Subscribe by sending e-mail with the Subject line: subscribe
to: TechNet-request@ipc
-oR-
Use the online subscription page at:
http://www.ipc.org/
As always, please read the FAQ for the TechNet forum before
posting (available at the above www site).
================================================================
-Tim Postel ([email protected])
c/o
Quad Design Technology, Inc.
1385 Del Norte Road, Camarillo, CA 93010
(805) 988-8250 FAX: (805) 988-8259
/* Opinions expressed herein may be both temporally and */
/* spatially uncorrelated with those of my employer. */