Read/Write Characteristics of MnBi Magneto-Optical Disk Fabricated on Photo-Polymer Substrate
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概要
- 論文の詳細を見る
A quadrilayer MnBi magneto-optical disk on a photo-polymer (2P) substrate has been fabricated by a low-temperature growth method. Magneto-optical properties and read/write characteristics for the 2P MnBi disk are confirmed to be comparable to those of a glass MnBi disk annealed at 380℃. The carrier to noise (C/N) ratio for the 2P MnBi disk is 20 dB lower than that of a conventional TbFeCo disk because of its high disk noise. While the Kerr rotation angle at the flat area of the MnBi disk is three times that for a TbFeCo disk, the carrier level is about 1 dB lower. Controlling the Bi layer morphology in the groove area will be the most important factor in achieving future improvement of the C/N ratio for MnBi magneto-optical disks.
- 社団法人応用物理学会の論文
- 1995-06-15
著者
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NAKADA Masafumi
Functional Devices Research Laboratories, NEC Corp.
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OKADA Mitsuya
Functional Devices Research Laboratories, NEC Corp.
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Okada Mitsuya
Functional Devices Research Laboratories Nec Corp.
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Nakada Masafumi
Functional Devices Research Laboratories Nec Corp.
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NAKADA Masafumi
Functional Devices Research Laboratories, NEC Corporation
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