Phantom Introduction
Stability test phantom for digital mammography systems developed according to the German PAS1054 guideline.

The base phantom (40 mm) contains:
- Aluminum step wedge (14 steps from 0 to 5.2 mm)
- 2 rows of metal balls for checking missing tissue on the chest wall side
- Structure plate (6 mm) with rotatable lead resolution test patterns (5, 6, 7, 8 and 10 Lp/mm)
- Cost savings for different inserts
- Aluminum step wedge saving
- 2 chest wall attenuation plates (10 mm)
- 2 chest wall attenuation plates (20 mm)
- PMMA test insert with secondary markings
- Test insert HK (high contrast)
- Test insert CNR (contrast-to-noise ratio)
- ACR test insert