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Working with the Solder Mask Expansion Design Rule on a PCB in Altium Designer | Altium Designer 15.1 User Manual | Documentation
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Bug #5109: reduce solder stop opening sizes for pads of U2, U3, U4 and U7 - OpenVizsla USB tracer/analyzer - Open Source Mobile Communications
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Working with the Solder Mask Expansion Design Rule on a PCB in Altium Designer | Altium Designer 19.1 User Manual | Documentation
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Solder Mask Expansion from Hole (New Feature Summary) | Altium Designer 15.1 User Manual | Documentation
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