1. Grinding and polishing (grit 1200 -> grit 2400 -> grit 4000)

<Reflected light image of a thin section after polishing with a grit 4000 SiC paper>

2. Polishing using a diamond lapping film(1um / 0.5um) to obtain a flat surface

<Reflected light image of a thin section after polishing with a diamond lapping film>

3. Final polishing with a diamond suspension (0.5um / 0.25 um)

<Reflected light image of a thin section after polishing with a diamond suspension (0.25um)>

4. Reflected light image vs. Backscattered electron image