[userbinator]

Perhaps only a very early hard drive, as 15um is the resolution of those cameras but the latest hard drives have a track pitch around 100nm (0.1um); in any case, in the data recovery industry the usual solution is a spinstand:

https://www.guzik.com/products/head-and-media-disk-drive-tes...

https://ieeexplore.ieee.org/document/4262329