Electronics > PCB/EDA/CAD

JLPCB - Gerber Format/Precision?

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Uky:
I was going to submit a small job to JLPCB but it seems the site has changed
since last time.

The suggested layer names are there, but the required (or accepted) unit of measure and
precision was nowhere to be found.

I have for years used (RS274X) metric units (mm) with various number of leading/trailing precision.
Not wanting to run into problems, I have been looking for JLPCB's format requirements
other than file name conventions.

A link?
Someone?

 ???

mikeselectricstuff:
Just upload it and look at the preview

SiliconWizard:
I use 4.6 (mm) for all my PCBs. JLCPCB takes it with no issues. I see little reason to use less than 4.6 these days.

Uky:
My tool recommends using one trailing digit more than the design itself
so metric "4.3"  it was and JLPCB accepted it w/o any problem.

 :)

nigelwright7557:
Ask them on their chat.

The buggers have a habit of changing things.
I used their recommended file extensions for years then I suddenly got a pcb back with solder resist layers reversed !
They had changed recommended file extensions.
I had to go into my gerber files and change the extensions to fit their new way of doing things.

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