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High density data storage method utilizing electron emission, phase change media and storage system adopting the same and data storage media for the system
High density data storage method utilizing electron emission, phase change media and storage system adopting the same and data storage media for the system
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机译:利用电子发射的高密度数据存储方法,相变介质和采用该方法的存储系统以及该系统的数据存储介质
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摘要
A data recording/reproducing method, a data recording system adopting the same, and media for the system are provided. The method includes the steps of preparing media (20) having a data recording layer in which a phase change is generated through electron absorption, generating electrons using an electron generating source (40) according to data for recording at a position separated from the data recording layer by a predetermined interval, forming a magnetic field (NS) on the path of the electrons and cyclotron (50) moving the electrons, and transmitting the cyclotron moved electrons onto the data recording layer to record data through local melting and cooling due to the absorption of the electrons by the data recording layer. The micro-tip (11) does not contact the data recording layer while the electron beam collides with the data recording layer, and thus no damage is caused by waste of the micro-tip, as with a conventional AFM method, and data recording and reproduction is very fast. In addition, the electron beam is converged onto the data recording layer through cyclotron movement, and thus the region (22a) where the electron beam reaches can be minimized by properly adjusting the distance, to maximize the data recording density.
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