外部磁界不要の磁気超解像 (<特集>磁気光学・光磁気記録)
書誌事項
- タイトル別名
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- Magnetically Induced Super-Resolution without an External Magnetic Field
- 外部磁界不要の磁気超解像
- ガイブ ジカイ フヨウ ノ ジキ チョウ カイゾウ
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抄録
The potential advantages of magnetically induced super-resolution (MSR) for high-density recording in magneto-optical disks have spurred the study of various related technology. MSR systems can read signals from a smaller area than the laser spot area by using magnetic films with different temperature characteristics. Most MSR systems require an external magnetic field in the readout. We have developed a new type of MSR (S-RAD) that does not require an external magnetic filed. The front masking area of the S-RAD is formed by shrinking the recording mark in the readout layer. This paper describes the readout principle and readout characteristics of S-RAD. A C/N of 49 dB was obtained at the 0.5μm recording mark. A crosstalk level of less than -40 dB was obtained at a track pitch of 0.8μm. We believe that S-RAD has sufficient potential to allow practical use of high-density magneto-optical recording.
収録刊行物
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- 日本応用磁気学会誌
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日本応用磁気学会誌 21 (4_2), 321-324, 1997
公益社団法人 日本磁気学会
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詳細情報 詳細情報について
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- CRID
- 1390282680069490048
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- NII論文ID
- 110002809875
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- NII書誌ID
- AN0031390X
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- ISSN
- 18804004
- 02850192
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- NDL書誌ID
- 4192927
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- データソース種別
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- JaLC
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- 使用不可