Xilinx flip-chip PCB processing

Anyone here using a Virtex in a flip-chip package? If so, what precautions do you take during pcb processing to make sure it doesn't water in the vents? Is everyone using a no-clean process?

Just looking for some info,

Amy snipped-for-privacy@gmail.com

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AmyS
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Amy,

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See page 4, pre-baking.

Aust> Anyone here using a Virtex in a flip-chip package? If so, what

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Austin Lesea

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