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PCB prototype supplier meeting nRF52840 via-in-pad requirements

Hi folks,

I'm trying to find a pcb prototype manufacturer which supports the via-in-pad requirements for the nRF52840 package (i.e. 0.15mm hole size with 0.1mm annular ring). However, most pcb protottype suppliers demand either minimum 0.2mm hole size and/or minimum 0.15mm annular ring.

The only supplier I found is www.multi-cb.de from Germany. They seem trustful. The only downside: Their offer has a very long manufacturing time (6 weeks), if a fixed layer stack for 50Ohm RF traces is required.

Does anybody know a good PCB supplier, capable of fullfilling the nRF52840 via-in-pad requirements and having not too long lead times?

Thanks for your hints!

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  • There are many, many pcb manufacturers capable of doing via in pad.  I think your issue is that you are searching the wrong way.  Almost none of the via in pad is done with traditional drilling techniques.  A 3 mil drill is just too small and breaks easily.

    You need to look for manufacturers with laser drilling equipment.  Via in pad is normally done with laser drilled via and then you complement the board with traditional drilled vias. Via in pad is a 20 year old technique and is manufactured worldwide.

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  • There are many, many pcb manufacturers capable of doing via in pad.  I think your issue is that you are searching the wrong way.  Almost none of the via in pad is done with traditional drilling techniques.  A 3 mil drill is just too small and breaks easily.

    You need to look for manufacturers with laser drilling equipment.  Via in pad is normally done with laser drilled via and then you complement the board with traditional drilled vias. Via in pad is a 20 year old technique and is manufactured worldwide.

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