Table 9. Rotating coil measurement results: relative alignment between consecutive magnet elements within the same magnet block.
Magnet elements | In magnet block | Evaluated (pcs) | Relative alignment | Minimum (µm) | Maximum (µm) | r.m.s. (µm) | Comment |
---|---|---|---|---|---|---|---|
OXX–QFend–OXY–QDend | M1, M2 | 38/40 | dx | −10 | 12 | 3 | |
dy | −27 | 20 | 9 | Includes rotating coil sag | |||
QFm–SFm–QFm, QF–SFo–QF | U1, U2, U4, U5 | 34/80 | dx | −11 | 12 | 4 | |
dy | −18 | 9 | 6 | Includes rotating coil sag | |||
QF–SFi–QF–SD | U3 | –/20 | dx | – | – | – | |
dy | – | – | – |