IEEE Transactions on Magnetics · 1997 · 47 citations · 10 references
Natural SciencesMaterials EngineeringMaterials ScienceAnalog ElectronicsMagnetic MaterialsThin FilmsMagnetic CharacterizationMagnetic NanomaterialsMagnetic Recording MaterialsMagnetic Thin FilmsRecording TechnologyThin Film Magnetic PropertiesMagnetic Grain SizeMagnetic RecordingMagnetic Recording MediaMedia NoiseNoise CharacteristicsPerpendicular Magnetic RecordingPerpendicular Magnetic Recording MediaThin Film Recording Media
Single-layered perpendicular recording media with high resolution and low noise characteristics, which can be used for 10 Gb/in/sup 2/ level magnetic recording, have been developed. Noise characteristics of highly oriented CoCr/sub 19/Pt/sub 10/ media are improved, by employing CoCr/sub 35//TiCr/sub 10/ dual-underlayer, by reducing magnetic crystal grain diameter, and by adding Ta to the magnetic layer. A linear recording density resolution (D/sub 50/) value of 260 kFCI and a S/sub 0//N ratio of 36 dB are confirmed for the low noise 50-nm-thick CoCr/sub 19/Pt/sub 10/Ta/sub 2/ dual-underlayer medium using a flying MR head at magnetic spacing of 40 nm.
10