2018-04-28 15:04 GMT+03:00 Rene Pöschl <[email protected]>: > The global settings here are less for ensuring correct alignment and more > for a global paste reduction.
That's right, that's what I meant. In the example datasheet you have 0.05mm tolerance for the location of the mask in relation to the copper because. But making the mask openings larger or smaller by 0.05mm would be against the recommendation. It just doesn't make sense to apply global paste and solder mask clearance values to "pads" which don't have copper. The whole reason why non-copper pads can exist is that you need control over the size, shape and location of paste or mask, right? Changing the behavior could lead to problems but luckily the current behavior can be circumvented by adding to clearance fields a very small value which is negligible in practice. Eeli Kaikkonen
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