Echo Auger Electron Gun

Echo Auger Electron Gun

Reference page for operating procedures for Kimball Physics EGPS-12 Electron Gun & Raster Unit

Initial Alignment:

  • CAR position: -2 deg

  • X: -34

  • Y: 132

  • Beam Energy: 8.05 keV

  • Source Current: 1.55 A

  • Emission Current: 20 uA

  • Grid: 165 V

  • Focus: 3.91

12/17/2011

Phosphor Sample

Position

CAR position

1.2deg

|x |}

32

|y |129 |focus |4.09 |grid |140 |beam energy |8 keV |source current |1.55A |PM Voltage |550V |PM signal |- |lockin signal |}



RHEED Block @ 1000eV

Position

CAR position

 

2 deg

|x |}

26

|y |138 |focus |4.04 |grid |138 |beam energy |8 keV |source current |1.55A |PM Voltage |550V |PM signal |3.38 V |lockin signal |0.74



RHEED Block @ 20eV

Position

CAR position

 

2 deg

|x |}

27

|y |139 |focus |4.04 |grid |140 |beam energy |8 keV |source current |1.55A |PM Voltage |450V |PM signal |1.31 V |lockin signal |9.61