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RISPole Tip Recession Measurements on Thin Film Heads Using Optical Profilometry With Phase Correction and Atomic Force Microscopy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pole tip recession in magnetic recording thin film heads contributes to spacing loss, which leads to a degradation in the readback signal. As manufacturers improve the performance of magnetic ...
Pole Tip Recession: Investigation of Factors Affecting Its Measurement and Its Variation With Contact Start-Stop and Constant Speed Drag Testing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Optical interferometry and contact mode atomic force microscopy are used to investigate the various factors that influence the measurement of pole tip recession. These factors include: (a) effect ...