Step Stencils

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Hello all, what is your opinion on step stencils. Is it b... - Jul 25, 2014 by Evtimov

I think you need step on the bottom side of the stencil (und... - Jul 29, 2014 by Jandon

Not an expert, so bear with me, but I think that depends on ... - Aug 06, 2014 by Armando_Gomez

I always put the step on the squeegee side. You'll get some... - Aug 27, 2014 by DM

Evtimov

#72468

Step Stencils | 25 July, 2014

Hello all,

what is your opinion on step stencils. Is it better to have the step on the squeegee side or on the bottom side of the stencil? Why you do it this way? What are the advantages and disadvantages?

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Jandon

#72478

Step Stencils | 29 July, 2014

I think you need step on the bottom side of the stencil (undercutting) only to compensate elevations on the top side of the PCB, such as labels.

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Armando_Gomez

#72537

Step Stencils | 6 August, 2014

Not an expert, so bear with me, but I think that depends on how much components are in the vicinity of the pads you want to step.

Hope this pdf helps

Cheers!

Attachments:

challenge_step_stencil_ipc.pdf [4.2M]

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#72635

Step Stencils | 27 August, 2014

I always put the step on the squeegee side. You'll get some "shadowing" effect on any parts in close proximity to the stepped up region. It should be manageable with proper board / stencil design.

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