PCB Thickness and Score Depth Standards?

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A couple questions for everyone: 1) is there an industry sp... - May 24, 2024 by dontfeedphils

The scoring or grooving creation is found in IPC-2222 and de... - May 28, 2024 by Leo Lambert

dontfeedphils

#91009

PCB Thickness and Score Depth Standards? | 24 May, 2024

A couple questions for everyone:

1) is there an industry spec that calls out v-score depth requirements? If so, what spec is that and what are the values? I've always heard 1/3 of the depth of the PCB on each side, but I'm not sure if that's a rule of thumb or an actual documented standard?

2) Where can PCB thickness tolerance specs be found? IPC-A-600? 6012?

Thanks in advance for any help!

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Leo Lambert

#91016

PCB Thickness and Score Depth Standards? | 28 May, 2024

The scoring or grooving creation is found in IPC-2222 and describes the standard scoring parameters, with an illustration of the critical parameters. There are many articles on the web describing the process. Many of the articles promote a groove depth of 1/3 of the board thickness on both sides leaving a 1/3 of the board thickness in the center of the board thickness for support during the assembly process.

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