C35 

  

Images

Focus Ion Beam Milling

Date:  8.20.04

Feature Radius target         [actual]  Mill current  Mill time (seconds) Magnification
Pinhole course mill 9.5 microns 288 pA 39 seconds  
Pinhole Fine Mill 10.0 microns 291 pA 224 seconds  

Metal Films

Front side (membrane side)
Back side (pit side)  2.0 microns of gold (Metallica#4)

Membrane Specifications

Size (micrometers)  200 x 200
Thickness (nm) 100
Frame size (mm) 5x5
Frame thickness (micrometers) 200
   

Comments:  See Vol. 4 page 39