Laser photoplotting converts PCB Gerber data into high-resolution film

https://siit.co/guestposts/choosing-a-laser-photoplotting-service-what-to-look-for-in-a-provider/

Laser photoplotting converts PCB Gerber data into high-resolution film, using modulated laser beams to expose precise features, apertures, and fine traces for accurate etching and manufacturing.