| Project/Area Number |
26630036
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Design engineering/Machine functional elements/Tribology
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | MEMS / ネオジム永久磁石 / 着磁 / PLD / スパッタ / ネオジム磁石 / 焼結磁石 / ボンド磁石 / マイクロ / レーザ / レーザ加熱 |
|---|
| Outline of Final Research Achievements |
In built-in cameras for smartphones, electromagnetic actuators with permanent magnets are used to drive the lens for image stabilization. The miniaturization of the electromagnetic actuators is required to minimize the built-in cameras. However, such actuators have reached the limit of miniaturization due to the limitation of micro magnetization of neodymium magnet. To solve this problem, in this study, micro magnetization method using laser assist heat for neodymium micro magnet as an alternative to pulse magnetization is developed.
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