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

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


Mark D. Milward


SMT DESIGN | 11 June, 2002


Can I please get some help on finding formulas for calculation of surface mount pad sizes for stencil design and solder paste deposition. I've recently joined a company who has allowed their stencil supplier to develop the stencils based upon submission of their Gerber files. The present situation has not produced satisfactory results. I have previous experience with GERBTOOL, but it's been a while 3-4 years since I've designed stencils and need some direction on where to obtain current stencil and pad design criteria. The help would be greatly appreciated.


Mark Milward

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SMT DESIGN | 12 June, 2002

Consider: * Searching the fine SMTnet Archives * Buying IPC-7525, Stencil Design Guidelines

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SP700avi inline stencil printer

Plasma prior Conformal Coating