Ion Milling:
Parameter / Step | |
---|---|
Acceleration voltage | 6 kV |
Gun current | 2 mA |
Milling time | 5 h |
Results:
- Flat and clean cross section of the superconductive wire
- Structure of Nb3Sn in the Cu matrix
Purpose: The shape of the wire is difficult for ion beam slope cutting.
Goal: Cross sectional preparation to see the structure of the wire.
Process Description: (benchmark values for this particular sample)
Mechanical pre-preparation:
1. Embedding in between two Si slices
2. Grinding the cross section with the Leica EM TXP
(6µm diamond foil) to get a flat surface
Ion Milling:
Parameter / Step | |
---|---|
Acceleration voltage | 6 kV |
Gun current | 2 mA |
Milling time | 5 h |
Results:
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