Overview | How To Solder Mask PCBs | Adafruit Learning System
Clear solder mask PCB is pricey, is there another source? : r/PrintedCircuitBoard
An example of transparent solder mask : r/PCB
PCBWay added more solder mask colors and includes a new transparent design - Electronics-Lab.com
PCBWay on Twitter: "Makermoekoe designed this beautiful board with transparent solder mask and black FR4 core. It came out really cool! Agree? #SharedProjects #pcb #design #soldermask #electronics #circuit #art https://t.co/vSpxgQGf2I" / Twitter
Solder Mask - The Most Comprehensive Introduction Is Here