Technical Challenges: Bit patterned magnetic recording (BPMR), in which each recording bit is stored in a fabricated magnetic is land of around 10 nm,has been proposed as a means for extending the superparamagnetic limit of current granular media as shown in Fig. 2(a), [11]. This bit patterned medium (BPM) will be fabricated by advanced semiconductor-like processes, nano imprinting, deep etching, and plan a rization,etc.Of the order of very tiny, very regularly arrayed is lands must be created over an entire BPM surface without debris or asperity issues that can potentially arise from the fabrication process. There should be uniform magnetic structure inside the magnetic
Technical Challenges: Bit patterned magnetic recording (BPMR), in which each recording bit is stored in a fabricated magnetic is land of around 10 nm,has been proposed as a means for extending the superparamagnetic limit of current granular media as shown in Fig. 2(a), [11]. This bit patterned medium (BPM) will be fabricated by advanced semiconductor-like processes, nano imprinting, deep etching, and plan a rization,etc.Of the order of very tiny, very regularly arrayed is lands must be created over an entire BPM surface without debris or asperity issues that can potentially arise from the fabrication process. There should be uniform magnetic structure inside the magnetic
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