With sub-micron spot sizes and excellent registration, laser photoplotters produce sharp artwork for inner layers

https://www.newsbreak.com/dmr-news-321522575/4524631068041-artnet-pro-sets-the-standard-in-high-resolution-pcb-photoplotting-for-aerospace-and-advanced-electronics

With sub-micron spot sizes and excellent registration, laser photoplotters produce sharp artwork for inner layers, solder masks, and silkscreen, minimizing undercut and improving yield on dense designs.