Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

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No Clean stencil design

Doug Smith

#4124

No Clean stencil design | 15 May, 2000

Can anyone tell me a recomended stencil apt. design for PBGA's and Ceramic BGA's when using a no clean (UP78) paste?

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#4125

Re: No Clean stencil design | 15 May, 2000

Doug: If the metal content of your NC paste is about 50% (by weight) there is no difference netween stencils for NC and other flux type pastes. And those are in the SMTnet archives.

Good luck and happy searching Dave F

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