optical inspection" are indexed by Google
Imagineering, Inc. | https://www.pcbnet.com/blog/what-is-solder-mask-color-selecting-the-right-option-for-your-product/
. This creates the characteristic patterns commonly seen on a printed circuit board. For the purposes of electronic design automation, the solder mask is treated as an additional layer of the circuit board and is described as a Gerber file similar to that of copper and silkscreen layers
| https://www.eptac.com/blog/how-the-covid-19-pandemic-will-impact-technology-for-remote-workers
that’s about to flood the market will likely require soldering skills and electronic inspection. To meet the increasing demand for these skills and to do our part during this challenging time EPTAC has expanded our IPC certification programs to include eTraining options and remote proctoring for
