Millipede - a MEMS-based scanning-probe data-storage system
Ultrahigh storage densities of up to 1 Tb/in./sup 2/ or more can be achieved by using local-probe techniques to write, read back, and erase data in very thin polymer films. The thermomechanical scanning-probe-based data-storage concept called Millipede combines ultrahigh density, small form factor,...
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Veröffentlicht in: | IEEE transactions on magnetics 2003-03, Vol.39 (2), p.938-945 |
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creator | Eleftheriou, E. Antonakopoulos, T. Binnig, G.K. Cherubini, G. Despont, M. Dholakia, A. Durig, U. Lantz, M.A. Pozidis, H. Rothuizen, H.E. Vettiger, P. |
description | Ultrahigh storage densities of up to 1 Tb/in./sup 2/ or more can be achieved by using local-probe techniques to write, read back, and erase data in very thin polymer films. The thermomechanical scanning-probe-based data-storage concept called Millipede combines ultrahigh density, small form factor, and high data rate. After illustrating the principles of operation of the Millipede, a channel model for the analysis of the readback process is introduced, and analytical results are compared with experimental data. Furthermore, the arrangement of data-storage fields as well as dedicated fields for servo and timing control is discussed, and system aspects related to the readback process, multiplexing, synchronization, and position-error-signal generation for tracking are introduced. Finally, the application of (d,k) modulation coding as a means to further increase areal density is presented, and the effect on the user data rates discussed. |
doi_str_mv | 10.1109/TMAG.2003.808953 |
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The thermomechanical scanning-probe-based data-storage concept called Millipede combines ultrahigh density, small form factor, and high data rate. After illustrating the principles of operation of the Millipede, a channel model for the analysis of the readback process is introduced, and analytical results are compared with experimental data. Furthermore, the arrangement of data-storage fields as well as dedicated fields for servo and timing control is discussed, and system aspects related to the readback process, multiplexing, synchronization, and position-error-signal generation for tracking are introduced. 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The thermomechanical scanning-probe-based data-storage concept called Millipede combines ultrahigh density, small form factor, and high data rate. After illustrating the principles of operation of the Millipede, a channel model for the analysis of the readback process is introduced, and analytical results are compared with experimental data. Furthermore, the arrangement of data-storage fields as well as dedicated fields for servo and timing control is discussed, and system aspects related to the readback process, multiplexing, synchronization, and position-error-signal generation for tracking are introduced. 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subjects | Applied sciences Atomic force microscopy Channels Data storage Density Electronics Exact sciences and technology Image storage Magnetic and optical mass memories Magnetic memory Magnetism Material storage Mathematical analysis Modulation Modulation coding Multiplexing Other magnetic recording and storage devices (including tapes, disks, and drums) Scanning probe data storage Servosystems Storage and reproduction of information Thermomechanical processes Thin films Timing Tracking Tunneling |
title | Millipede - a MEMS-based scanning-probe data-storage system |
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