Fig. 1
From: RETRACTED ARTICLE: Flexible Field Emitter for X-ray Generation by Implanting CNTs into Nickel Foil

a–f Processes of the implanting technology for manufacturing the flexible field emitter
From: RETRACTED ARTICLE: Flexible Field Emitter for X-ray Generation by Implanting CNTs into Nickel Foil
a–f Processes of the implanting technology for manufacturing the flexible field emitter