Plassys Evaporator

From cleanroom
Jump to navigation Jump to search

Overview

Physical vapor deposition tool of aluminum via e-beam evaporation for Josephson junction fabrication. It also provides an ion gun for surface preparation and etching purposes. The system has the capability of in-situ oxidation .

Film Quality : Surface roughness - 1.6 nm for 100nm thick film ( scan area 2 um /AFM Analysis ( June 2023)

Currently loaded materials

Crucible position Material Comment
1 Ti Plassys ( currently In Use)
2 Al Plassys ( Material consumed)
3 Al Melted. Currently In Use
4 Al new pellets. Not melted

Substrates allowed

Silicon and Sapphire only