Table 2 Specifications of the low-contrast elements in the PTW QC phantom
Hole diameters (mm) | Hole depths (mm) | ||||
|---|---|---|---|---|---|
15.0 | 0.5 | 1.0 | 2.0 | ||
10.0 | 0.5 | 1.0 | 2.0 | 3.2 | |
7.0 | 0.5 | 1.0 | 2.0 | 3.2 | 4.8 |
4.0 | 0.5 | 1.0 | 2.0 | 3.2 | 4.8 |
2.0 | 0.5 | 1.0 | 2.0 | 3.2 | 4.8 |
1.1 | 0.5 | 1.0 | 2.0 | 3.2 | 4.8 |
Hole diameters (mm) | Hole depths (mm) | ||||
|---|---|---|---|---|---|
15.0 | 0.5 | 1.0 | 2.0 | ||
10.0 | 0.5 | 1.0 | 2.0 | 3.2 | |
7.0 | 0.5 | 1.0 | 2.0 | 3.2 | 4.8 |
4.0 | 0.5 | 1.0 | 2.0 | 3.2 | 4.8 |
2.0 | 0.5 | 1.0 | 2.0 | 3.2 | 4.8 |
1.1 | 0.5 | 1.0 | 2.0 | 3.2 | 4.8 |