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Local fiducials under package, it's ok?
908 1 Jan 17.2020, 17:26:57

Hello.
I was seeing a pcb design with a big module, and this board have 2 local fiducials, one of them below the module itself, and the other outside the module.
Is that a good practice?. 
Could be useful to save board space and have more freedom to route the board.
What do you think about it?
Cheers.

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A****min

Feb 13.2020, 17:12:05

Since the fiducials are used to align the board and pick&place machine, locating it under a chip should make no difference.

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