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. 2021 Dec 31;46(4):300–307. doi: 10.4103/jmp.JMP_44_21

Table 2.

The absolute error (microns) at the cardinal gantry angles of Ling Test 1 for bank A, bank B, and the leaf gap

Gantry angle iX-1 Tri-1 True-1
Absolute error (μm) Absolute error (μm) Absolute error (μm)



Bank A Bank B Leaf Gap Bank A Bank B Leaf Gap Bank A Bank B Leaf Gap
3.25 9.17 12.4 0.643 1.48 0.839 1.98 14.17 6.16
90° 4.98 21.1 26.1 0.255 12.0 11.4 4.70 10.8 15.5
180° 2.23 3.78 4.21 5.85 3.69 10.6 2.73 6.50 3.78
270° 17.6 7.12 33.4 34.2 20.8 58.0 17.4 8.05 25.4