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C141-E045-02EN4 - 2
4.2.2 Head
Figure 4.1 shows the read/write head structures. The MPB3021AT has 2 read/write heads, the
MPB3032AT has 3, MPB3043AT has 4, MPB3052AT has 5, and MPB3064AT has 6. These
heads are raised from the disk surface as the spindle motor approaches the rated rotation
speed.
Spindle
0
1
Actuator
MPB3021 Model
MPB3032AT Model
Spindle
1
2
0
Actuator
MPB3052AT Model
Spindle
2
3
4
0
1
Actuator
MPB3043AT Model
Spindle
1
3
2
0
Actuator
MPB3064AT Model
Spindle
2
3
5
4
0
1
Actuator
Figure 4.1 Head structure
MPB3052AT Model MPB3064AT Model
MPB3043AT ModelMPB3032AT Model
MPB3021AT Model