However , current semiconductor processes have not yet reached a point where mass production of devices with such small features ( ~ 20 nanometers ) is possible .
Cell polarization is encoded as charge position , and quantum - dot interactions rely on electrostatic coupling .
Current semiconductor processes have not yet reached a point where mass production of devices with such small features ( ~ 20 nanometers ) is possible .
Cell polarization is encoded as charge position , and quantum - dot interactions rely on electrostatic coupling .