Scanning Tunneling Microscope

  1. coarse stage
    1. one axis
    2. manual
    3. minimum .5um resolution
  2. piezo stage
    1. tube vs buzzer
    2. 4 x 16bit DAC Digikey IC DAC 16BIT QUAD 5V 14-TSSOP - AD5666ARUZ-2
    3. 4 x high voltage (~40V) amplifier Digikey IC OPAMP GP 2MHZ SGL HV 8SOIC
    4. 40V supply
  3. AFM tip detector
    1. laser diode
    2. linear photodiode array Mouser Photodiodes Linear Sensor Array 400dpi 128pix
  4. structure
    1. hang everything from elastic strings from ceiling
  5. stuff to image
    1. Thorlabs Reflective Holographic Grating, 3600/mm, UV, 12.7 mm x 12.7 mm
reference