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The Nanofab-150 is a focused ion beam system for use with liquid metal ion sources. The machine was designed and built by FAI company.
The equipment features a 150 KV linear accelerating column with an ExB mass filter. This allows for alloy sources to be used. Currently, an Arsenic-Palladium-Boron source is being used for implanting doping elements into solid state experimental devices. Other features include an imaging system using a channel electron multiplier (CEM), an X,Y stage for precision positioning with a laser interferometer, a 6" wafer pallet with an insertion/extraction system through a load-lock, three apertures for selecting beam current while in operation, and basic pattern writing software. |
| The beam spot size at the focal plane is estimated to be better than 100 nanometers. Tests are underway to precisely measure the implantation profile. |
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