![Tutorial: Removing excess solder mask and solder paste added during import to Altium – SnapMagic Blog Tutorial: Removing excess solder mask and solder paste added during import to Altium – SnapMagic Blog](https://blog.snapeda.com/wp-content/uploads/2018/07/Thumbnailnew-artilce.png)
Tutorial: Removing excess solder mask and solder paste added during import to Altium – SnapMagic Blog
![pcb - Duplicate top and bottom solder layer in altium designer - Electrical Engineering Stack Exchange pcb - Duplicate top and bottom solder layer in altium designer - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/MvHRC.png)
pcb - Duplicate top and bottom solder layer in altium designer - Electrical Engineering Stack Exchange
![Working with the Solder Mask Expansion Design Rule on a PCB in Altium Designer | Altium Designer 15.1 Technical Documentation Working with the Solder Mask Expansion Design Rule on a PCB in Altium Designer | Altium Designer 15.1 Technical Documentation](https://www.altium.com/documentation/sites/default/files/wiki_attachments/248561/DefaultDesignRule_Mask_SolderMaskExpansion_AD.png)
Working with the Solder Mask Expansion Design Rule on a PCB in Altium Designer | Altium Designer 15.1 Technical Documentation
![footprint - How does Altium designer decide the size of the solder mask? - Electrical Engineering Stack Exchange footprint - How does Altium designer decide the size of the solder mask? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Sl2GBl.png)
footprint - How does Altium designer decide the size of the solder mask? - Electrical Engineering Stack Exchange
![Working with the Solder Mask Expansion Design Rule on a PCB in Altium Designer | Altium Designer 16.0 Техническая документация Working with the Solder Mask Expansion Design Rule on a PCB in Altium Designer | Altium Designer 16.0 Техническая документация](https://www.altium.com/documentation/sites/default/files/wiki_attachments/263971/DefaultDesignRule_Mask_SolderMaskExpansion_16_0_AD.png)
Working with the Solder Mask Expansion Design Rule on a PCB in Altium Designer | Altium Designer 16.0 Техническая документация
![PCB Layout Layer Checks Query Functions in Altium Designer | Altium Designer 24 Technical Documentation PCB Layout Layer Checks Query Functions in Altium Designer | Altium Designer 24 Technical Documentation](https://resources.altium.com/sites/default/files/2023-05/QueryLanguageKeywords_PCBFuntions_LayerChecks_AD23.png)