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Numerical study of a narrow-track single-pole head useful for GHz response and large field strength requirements

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4 Author(s)
Kanai, Y. ; Niigata Inst. of Technol., Japan ; Matsubara, R. ; Muraoka, H. ; Nakamura, Y.

The narrow-track single-pole (SPT) write head recording field was investigated using 3-D eddy current transient finite element analysis. After validating the finite element model for the SPT head with a double-layered medium, head field time variations were studied for various cases. Results show that a large head field strength reaching B s of head pole at track width of 100 nm and high frequency response of 2 GHz

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Magnetics, IEEE Transactions on  (Volume:37 ,  Issue: 4 )