CN105989985B - 磁铁、使用上述磁铁的拾取装置以及上述磁铁的制造方法 - Google Patents
磁铁、使用上述磁铁的拾取装置以及上述磁铁的制造方法 Download PDFInfo
- Publication number
- CN105989985B CN105989985B CN201610034649.4A CN201610034649A CN105989985B CN 105989985 B CN105989985 B CN 105989985B CN 201610034649 A CN201610034649 A CN 201610034649A CN 105989985 B CN105989985 B CN 105989985B
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- China
- Prior art keywords
- magnet
- magnetic
- yoke
- opposed
- movable portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/021—Construction of PM
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Optical Recording Or Reproduction (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Optical Head (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015055589A JP6536880B2 (ja) | 2015-03-19 | 2015-03-19 | 磁石と、前記磁石を使用したピックアップ装置、前記磁石の製造方法 |
JP2015-055589 | 2015-03-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105989985A CN105989985A (zh) | 2016-10-05 |
CN105989985B true CN105989985B (zh) | 2020-11-27 |
Family
ID=57039864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610034649.4A Active CN105989985B (zh) | 2015-03-19 | 2016-01-19 | 磁铁、使用上述磁铁的拾取装置以及上述磁铁的制造方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6536880B2 (ja) |
CN (1) | CN105989985B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107578882A (zh) * | 2017-09-29 | 2018-01-12 | 杭州史宾纳科技有限公司 | 一种永磁式连续充磁方法及装置 |
CN111505110A (zh) * | 2020-04-30 | 2020-08-07 | 中国航发成都发动机有限公司 | 一种叶片榫头磁粉检测装置 |
CN112992473B (zh) * | 2021-04-19 | 2022-11-11 | 上海大学 | 一种用于Halbach磁体交叉充磁装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5159006A (en) * | 1974-11-19 | 1976-05-22 | Matsushita Electric Ind Co Ltd | Mangan aruminiumu tansokeigokinjishakuno seizoho |
JPS595218B2 (ja) * | 1979-06-18 | 1984-02-03 | 松下電器産業株式会社 | プラスチック磁石の製造方法 |
JP2002008921A (ja) * | 2000-06-20 | 2002-01-11 | Sanyo Special Steel Co Ltd | 永久磁石の着磁方法 |
JP2002334458A (ja) * | 2001-05-01 | 2002-11-22 | Olympus Optical Co Ltd | 対物レンズ駆動装置及び光ディスク装置 |
JP2002369492A (ja) * | 2001-06-06 | 2002-12-20 | Hitachi Metals Ltd | 永久磁石及びこれを用いた磁場発生用磁気回路並びにリニアアクチュエータ |
JP2006277853A (ja) * | 2005-03-30 | 2006-10-12 | Hitachi Media Electoronics Co Ltd | 対物レンズ駆動装置とその製造方法 |
JP6170712B2 (ja) * | 2013-04-12 | 2017-07-26 | アズビル株式会社 | 双安定移動装置 |
-
2015
- 2015-03-19 JP JP2015055589A patent/JP6536880B2/ja active Active
-
2016
- 2016-01-19 CN CN201610034649.4A patent/CN105989985B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN105989985A (zh) | 2016-10-05 |
JP6536880B2 (ja) | 2019-07-03 |
JP2016178137A (ja) | 2016-10-06 |
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