[SI-LIST] Re: Board via characteristics (fwd)
- From: Ray Anderson <Raymond.Anderson@xxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Thu, 9 May 2002 14:31:30 -0700 (PDT)
>Hi, Ray:
>
>I think most 2.5D simulators do not use equations for the vias. They do
>simulate it. However, most of them assume the current is constant in the
>z-direction. The IE3D from Zeland Software, Inc. does solve the current
>variation in the z-direction. The IE3D even solves the current on an
>arbitrary 3D polygons such as wire bonds precisely. Thanks!
>
>-----------------------------------------------------------------------
>Jian-X. Zheng, Ph.D
Jian-
Thanks for the update. I must admit it has been a few
years since I was evaluating field solvers. I'm glad
to hear that trend is towards actually field solving the
3D discontinuities as opposed to solving pre-defined
equations as was common a few years ago.
However, be aware that there are still some out there
that utilize the equation based approach. (vendor names
withheld to protect the guilty :)
-Ray
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