Jan 30, 2025 · The manufacturers also have a displacement tolerance of the solder mask applied on the PCB, which often is the most limiting factor. So all depends on the capabilities of the …

Feb 19, 2025 · I fear that bga pad solder may leak to these vias and even though they are ground they may wick away solder that I want on the bga pads and not to wick to the in-between vias …

Aug 26, 2021 · The solder mask, due to its unknown electrical properties, is classified as Material Group IIIb by default. Both are treated as the worst kinds of insulators, and the standard gives …

Dec 23, 2023 · I am a bit confused by the solder mask parameters, offered by JLCPCB on their Impedance Control page. There you can find "Coating Above Substrate C1", …

Either reduce the solder mask openings, provided that they will comply with your manufacturer's specs, or increase them. In the latter case, you'll lose the benefit of having the solder mask …

Nov 1, 2018 · Solder Mask is a thin lacquer like layer of polymer that covers the pcb and copper traces you don’t want solder to get on and also prevents shorts from happening if conductive …

Aug 15, 2023 · 正確的 PCB 焊盤設計對於有效地將零件焊接到電路板上十分重要。 對於裸焊盤封裝，有兩種常見的焊接方法，分別是「防焊限定焊墊（Solder Mask Defined，SMD）」和「 …

Here's an area of a commercial PCB. I'd like to know if the "missing" solder mask is a deliberate choice made by the PCB designer, and if so, why? edit: changed graphic to highlight …

Jun 25, 2022 · I am designing a board with the DRV8837 IC, which has an 8-WSON package with a thermal pad and 2 vias. When running the DRC, I am getting the following error: Minimum …

Jun 30, 2023 · 0 I'm beginner in PCB design. I'm confused about solder mask layer in Altium. I want to put solder mask layer to cover my via point as precaution step to avoid any short …