RE: [SI-LIST] : BGA Pkg Characterization

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From: Brian Seol (BSeol@tessera.com)
Date: Wed May 16 2001 - 09:57:29 PDT


Hi Wesley,

I used GigaTest Labs (Sunnyvale, CA) to characterize BGA packages several
years. Please visit www.gigatest.com to check their capability. Their
application note titled "BGA Package Characterization" is especially worthy
of notice. Hope this helps.

Brian Seol

-----Original Message-----
From: Wesley Wu [mailto:wesley@redswitch.com]
Sent: Tuesday, May 15, 2001 8:23 PM
To: SI_LIST (E-mail)
Subject: [SI-LIST] : BGA Pkg Characterization

Hi All,

Has anybody done characterization on existing BGA packages recently? I need
to
know if there is anyone who can do this for me and what is the estimated
cost. The
required measurements include characteristic impedance along traces, delay
and
gain on both directions of traces across the frequency band of 500M - 2GHz,
ground
bounce, cross talking, and ringing. I would like to obtain a data range for
all
these to see if some particular BGA packages are suitable for my
applications.
Ideally I would like to add some equivalent to bond wire and IC input
capacitance
during test. Your help is greatly appreciated.

Wesley Wu
RedSwitch, Inc.
(408)719-4748

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