Our IPC Stencil Design Task Group has put out IPC 7525. It includes a
general aperture design guidelines chart. I'm not sure if this will answer
your question specifically but check it out. You can obtain it through IPC.
Kathy Jenczewski
SYSCON-MicroScreen
At 09:03 AM 2/3/00 -0700, you wrote:
>Can anyone recommend a good source for developing a
>specification for fine pitch pad size, based on part foot print?
>
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