Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 1994 · 12 citations · 0 references
EngineeringEarth SciencesDigital ImagingStorage SystemsVariable Rate TechnologyData AcquisitionData Acquisition SystemsDigital Signal ProcessingError CorrectionRecording TechniquesRecording TechnologyCrosstalkCrosstalk CancellationReadoutReadout ElectronicsRed Laser DiodesSignal ReadoutSignal Readout TechniquesStorage Capacity
High density land/groove recording, using partial response maximum likelihood (PRML) technology, which corrects errors in the readout signal for exploiting readout channel characteristics, has been developed. By this detection method, both land area and groove area can be used for data storage tracks without a crosstalk cancellation technique. Applying this method with a red laser, 8 times the storage capacity, compared with the conventional method, has been achieved.