薄形永久磁石の保磁力の検討
書誌事項
- タイトル別名
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- Considerations on the Coercive Force of Thin Permanent Magnets.
- ウスガタ エイキュウ ジシャク ノ ホジリョク ノ ケントウ
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Recently, thin-type permanent magnet have been increasingly used to reduce the size of motors and actuators. However, the characteristics of a permanent magnet defetiorate when it is thinned. The demagnetization of a magnet leads to a design that miniaturized the motor and actuator. We developed a low power, thin linear oscillatory actuator (LOA) for cellular phones. A thin-type permanent magnet is used for the LOA. The characteristics of the LOA might be adversely affected by demagnetization of a thin-type permanent magnet. This paper describes (1) the structure and operating principle of the LOA for cellular phones, (2) considerations on the coercive force based on the thrust characteristics of the LOA, and (3) considerations of coercive force based on measurement of the magnetic flux density.
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 25 (4-2), 1199-1202, 2001
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
- 1390282680068199936
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- NII論文ID
- 110002811168
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- NII書誌ID
- AN0031390X
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- ISSN
- 18804004
- 02850192
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- NDL書誌ID
- 5759595
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- 本文言語コード
- ja
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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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- 抄録ライセンスフラグ
- 使用不可