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Concerns about via size and trace width/trace spacing in IPC class 3 PCBs

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abhi002

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Hi Friends,

currently i am dealing with IPC class-3 pcbs.

one concern i feel like via size which require at least 8 mil annular ring e.g via size 28/12.some other concern are there which are from fabrication point of view.

Is there any concern for trace width/trace spacing etc?

pls share your thoughts

THanks
ABhi
 

Re: IPC class 3 concerns

I would invest in the relevant IPC specs, the IPC-222x series, IPC-6011 and IPC-6012.
Trace width spacing shouldn't be an issue.
 

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