College logo engraved on hair with focused ion beam

There seems to be a superman who can write a character on her hair in China, but a research group of a university in CanadaFocused ion beamHe seems to have carved a logo on his hair.

The engraved image of the logo is from the following.University Logo Carved Onto Human Hair with Focused Ion Beam - Boing Boing Gadgets

This logo was produced by Dr. LaPierre's research group at McMaster University.


It seems that you are scraping atoms on the hair surface with a focused ion beam.


Since the focused ion beam device is not used for carving the logo in the hair, it is planned to be used to produce ultra-small devices on the nanoscale in the future.