Optimal head design and characterization from a media perspective

As the areal recording density increases at a 60% annual rate, it becomes a challenge to design a head that achieves media noise limited recording performance. Since the noise of thin film media is recording-wavelength-dependent, a pseudo-random sequence (PRS) pattern is proposed for the characteriz...

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Veröffentlicht in:	IEEE transactions on magnetics 1999-03, Vol.35 (2), p.776-781
Hauptverfasser:	Nan-Hsiung Yeh, Wachenschwanz, D., Mei, L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Bit error rate Decoding Density Density measurement Distortion Distortion measurement Electronics Estimates Exact sciences and technology Magnetic devices Magnetic heads Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.) domain-motion devices, etc Magnetoresistance Media Noise Nonlinear distortion Nonlinearity Recording Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal to noise ratio Transistors Viterbi algorithm
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