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Papers by Ned Tabat

IEEE International Digest of Technical Papers on Magnetics Conference, 2002

Abstract Summary form only given. The noise of tunneling magnetoresistive sensors (TMR) has been ... more Abstract Summary form only given. The noise of tunneling magnetoresistive sensors (TMR) has been measured in the frequency domain as a function of applied magnetic field (up to 4 T), temperature (4 K to 400 K), and bias current (up to 5 mA). The bias current was applied to a sensor through a bias tee. The AC noise signal from the sensor was decoupled from DC signal by the bias tee with a low cut off frequency of 5 kHz, and was measured by a spectrum analyzer. Noise voltage-spectral density (S v) was measured with a resolution bandwidth ...

Applied Physics Letters, 2002

The present invention relates to a head having an air bearing surface for confronting the surface... more The present invention relates to a head having an air bearing surface for confronting the surface of a storage medium. The head includes a first pole that is spaced apart from a second pole. At least one non-magnetic spacer is positioned between the first pole and the second pole such that the first pole is magnetically decoupled from the second pole. In a further aspect, one or both of the first pole and the second pole can be elliptical in shape.

Acta Materialia, Nov 14, 2001

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 2000

Joint NAPMRC 2003. Digest of Technical Papers, 2003

Summary form only given. Significant progress has been made within the past year on perpendicular... more Summary form only given. Significant progress has been made within the past year on perpendicular recording technology development and its application to Winchester type disc drives. Paced by rapid advancements in the perpendicular recording physics understanding, component design and fabrication technology has made great strides toward closing the performance gap with the more mature longitudinal recording technology. In particular, closer

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 1999

Digest of INTERMAG 2003. International Magnetics Conference (Cat. No.03CH37401), 2003

In this paper, we discuss about the degradation in magnetoresistive properties by short pulse zap... more In this paper, we discuss about the degradation in magnetoresistive properties by short pulse zapping has been investigated for both spin valve (SV) and tunnelling giant magnetoresistive (GMR) heads of about 80 Gb/in2 areal density. Simulated ESD transients with pulse from 0.1 nsec to 10 nsec were applied to both spin valve and tunneling GMR devices, and GMR properties of

IEEE International Digest of Technical Papers on Magnetics Conference, 2002

Abstract Summary form only given. The noise of tunneling magnetoresistive sensors (TMR) has been ... more Abstract Summary form only given. The noise of tunneling magnetoresistive sensors (TMR) has been measured in the frequency domain as a function of applied magnetic field (up to 4 T), temperature (4 K to 400 K), and bias current (up to 5 mA). The bias current was applied to a sensor through a bias tee. The AC noise signal from the sensor was decoupled from DC signal by the bias tee with a low cut off frequency of 5 kHz, and was measured by a spectrum analyzer. Noise voltage-spectral density (S v) was measured with a resolution bandwidth ...

Applied Physics Letters, 2002

The present invention relates to a head having an air bearing surface for confronting the surface... more The present invention relates to a head having an air bearing surface for confronting the surface of a storage medium. The head includes a first pole that is spaced apart from a second pole. At least one non-magnetic spacer is positioned between the first pole and the second pole such that the first pole is magnetically decoupled from the second pole. In a further aspect, one or both of the first pole and the second pole can be elliptical in shape.

Acta Materialia, Nov 14, 2001

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 2000

Joint NAPMRC 2003. Digest of Technical Papers, 2003

Summary form only given. Significant progress has been made within the past year on perpendicular... more Summary form only given. Significant progress has been made within the past year on perpendicular recording technology development and its application to Winchester type disc drives. Paced by rapid advancements in the perpendicular recording physics understanding, component design and fabrication technology has made great strides toward closing the performance gap with the more mature longitudinal recording technology. In particular, closer

Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, 1999

Digest of INTERMAG 2003. International Magnetics Conference (Cat. No.03CH37401), 2003

In this paper, we discuss about the degradation in magnetoresistive properties by short pulse zap... more In this paper, we discuss about the degradation in magnetoresistive properties by short pulse zapping has been investigated for both spin valve (SV) and tunnelling giant magnetoresistive (GMR) heads of about 80 Gb/in2 areal density. Simulated ESD transients with pulse from 0.1 nsec to 10 nsec were applied to both spin valve and tunneling GMR devices, and GMR properties of

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