WO2008099623A1 - 近接場光発生器、光アシスト式磁気記録ヘッド、光アシスト式磁気記録装置、近接場光顕微鏡装置、近接場光露光装置 - Google Patents
近接場光発生器、光アシスト式磁気記録ヘッド、光アシスト式磁気記録装置、近接場光顕微鏡装置、近接場光露光装置 Download PDFInfo
- Publication number
- WO2008099623A1 WO2008099623A1 PCT/JP2008/050125 JP2008050125W WO2008099623A1 WO 2008099623 A1 WO2008099623 A1 WO 2008099623A1 JP 2008050125 W JP2008050125 W JP 2008050125W WO 2008099623 A1 WO2008099623 A1 WO 2008099623A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- near field
- magnetic recording
- field light
- assisted magnetic
- optically assisted
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
- G11B5/314—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure where the layers are extra layers normally not provided in the transducing structure, e.g. optical layers
-
- 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
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
- G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
-
- 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
- G11B7/1387—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/12—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using near-field interactions; Record carriers therefor
- G11B9/14—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using near-field interactions; Record carriers therefor using microscopic probe means, i.e. recording or reproducing by means directly associated with the tip of a microscopic electrical probe as used in Scanning Tunneling Microscopy [STM] or Atomic Force Microscopy [AFM] for inducing physical or electrical perturbations in a recording medium; Record carriers or media specially adapted for such transducing of information
- G11B9/1409—Heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01Q—SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBE MICROSCOPY [SPM]
- G01Q60/00—Particular types of SPM [Scanning Probe Microscopy] or microscopes; Essential components thereof
- G01Q60/18—SNOM [Scanning Near-Field Optical Microscopy] or apparatus therefor, e.g. SNOM probes
- G01Q60/22—Probes, their manufacture, or their related instrumentation, e.g. holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01Q—SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBE MICROSCOPY [SPM]
- G01Q80/00—Applications, other than SPM, of scanning-probe techniques
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0005—Arrangements, methods or circuits
- G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Head (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Optical Elements Other Than Lenses (AREA)
- Microscoopes, Condenser (AREA)
- Magnetic Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/524,907 US8116174B2 (en) | 2007-02-13 | 2008-01-09 | Near field light generating device, optically assisted magnetic recording head, optically assisted magnetic recording device, near field optical microscope and near field light exposure apparatus |
JP2008558016A JP4544362B2 (ja) | 2007-02-13 | 2008-01-09 | 近接場光発生器、光アシスト式磁気記録ヘッド、光アシスト式磁気記録装置、近接場光顕微鏡装置、近接場光露光装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007031773 | 2007-02-13 | ||
JP2007-031773 | 2007-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008099623A1 true WO2008099623A1 (ja) | 2008-08-21 |
Family
ID=39689869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/050125 WO2008099623A1 (ja) | 2007-02-13 | 2008-01-09 | 近接場光発生器、光アシスト式磁気記録ヘッド、光アシスト式磁気記録装置、近接場光顕微鏡装置、近接場光露光装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8116174B2 (ja) |
JP (1) | JP4544362B2 (ja) |
WO (1) | WO2008099623A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011033926A1 (ja) * | 2009-09-16 | 2011-03-24 | コニカミノルタオプト株式会社 | 近接場光発生器、光アシスト磁気記録ヘッド、および光アシスト磁気記録装置 |
US8116174B2 (en) | 2007-02-13 | 2012-02-14 | Konica Minolta Opto, Inc. | Near field light generating device, optically assisted magnetic recording head, optically assisted magnetic recording device, near field optical microscope and near field light exposure apparatus |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010146663A (ja) | 2008-12-19 | 2010-07-01 | Sony Corp | 記録再生装置及び記録再生システム |
US8391106B2 (en) * | 2009-08-03 | 2013-03-05 | Tdk Corporation | Heat-assisted magnetic recording head with laser diode |
US8375565B2 (en) | 2010-05-28 | 2013-02-19 | Western Digital (Fremont), Llc | Method for providing an electronic lapping guide corresponding to a near-field transducer of an energy assisted magnetic recording transducer |
US8508748B1 (en) | 2010-06-03 | 2013-08-13 | Kla-Tencor Corporation | Inspection system with fiber coupled OCT focusing |
US8343364B1 (en) * | 2010-06-08 | 2013-01-01 | Western Digital (Fremont), Llc | Double hard-mask mill back method of fabricating a near field transducer for energy assisted magnetic recording |
US8209767B1 (en) * | 2010-06-30 | 2012-06-26 | Kla-Tencor Corporation | Near field detection for optical metrology |
US8749790B1 (en) | 2011-12-08 | 2014-06-10 | Western Digital (Fremont), Llc | Structure and method to measure waveguide power absorption by surface plasmon element |
US9441938B1 (en) | 2013-10-08 | 2016-09-13 | Western Digital (Fremont), Llc | Test structures for measuring near field transducer disc length |
DE102015004411A1 (de) * | 2015-04-02 | 2016-10-20 | Audi Ag | Beleuchtungssystem für eine Fahrzeugtür |
US10062402B1 (en) * | 2017-12-04 | 2018-08-28 | Headway Technologies, Inc. | Waveguide including first and second layers and manufacturing method thereof |
US11183217B1 (en) * | 2021-03-17 | 2021-11-23 | Seagate Technology Llc | Elevator drive with increased reliability |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001326420A (ja) * | 2000-05-15 | 2001-11-22 | Fuji Xerox Co Ltd | 半導体レーザ、浮上ヘッドおよびディスク装置 |
JP2003255551A (ja) * | 2002-02-28 | 2003-09-10 | Sony Corp | 露光装置および露光方法 |
JP2004020353A (ja) * | 2002-06-14 | 2004-01-22 | Canon Inc | 近接場光用の探針、該探針を用いた近接場光発生方法、該探針を有するプローブ、該プローブを有するストレージ装置、表面観察装置、露光装置、デバイス製造方法、近接場光用の探針を有するプローブの製造方法 |
WO2005112014A1 (ja) * | 2004-05-14 | 2005-11-24 | Fujitsu Limited | 光照射ヘッド、情報記憶装置、光照射ヘッド設計装置、および光照射ヘッド設計プログラム |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4032689B2 (ja) | 2001-10-04 | 2008-01-16 | 株式会社日立製作所 | 近接場光を用いた測定装置/記録再生装置 |
JP3760196B2 (ja) | 2002-06-27 | 2006-03-29 | 独立行政法人科学技術振興機構 | 赤外光集光装置 |
CN1666298B (zh) * | 2002-06-28 | 2010-05-05 | 希捷科技有限公司 | 形成光能小点的装置和方法 |
JP4325172B2 (ja) * | 2002-11-01 | 2009-09-02 | 株式会社日立製作所 | 近接場光発生プローブ及び近接場光発生装置 |
US7330404B2 (en) | 2003-10-10 | 2008-02-12 | Seagate Technology Llc | Near-field optical transducers for thermal assisted magnetic and optical data storage |
JP4236673B2 (ja) | 2006-04-12 | 2009-03-11 | 株式会社日立製作所 | 近接場光発生器及び近接場光記録再生装置 |
US20090303858A1 (en) * | 2006-05-16 | 2009-12-10 | Konica Minolta Opto, Inc. | Optical recording head, magneto-optical recording head and optical recording apparatus |
US7791839B2 (en) * | 2006-09-14 | 2010-09-07 | Hitachi Global Storage Technologies Netherlands B.V. | Thermally-assisted perpendicular magnetic recording system with write pole surrounding an optical channel and having recessed pole tip |
JP4544362B2 (ja) | 2007-02-13 | 2010-09-15 | コニカミノルタオプト株式会社 | 近接場光発生器、光アシスト式磁気記録ヘッド、光アシスト式磁気記録装置、近接場光顕微鏡装置、近接場光露光装置 |
US7821732B2 (en) * | 2008-09-25 | 2010-10-26 | Tdk Corporation | Thermally assisted magnetic head having an asymmetric plasmon antenna and manufacturing method thereof |
US7885029B2 (en) * | 2009-04-14 | 2011-02-08 | Tdk Corporation | Thermally-assisted magnetic recording head and thermally-assisted magnetic recording method |
-
2008
- 2008-01-09 JP JP2008558016A patent/JP4544362B2/ja not_active Expired - Fee Related
- 2008-01-09 WO PCT/JP2008/050125 patent/WO2008099623A1/ja active Application Filing
- 2008-01-09 US US12/524,907 patent/US8116174B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001326420A (ja) * | 2000-05-15 | 2001-11-22 | Fuji Xerox Co Ltd | 半導体レーザ、浮上ヘッドおよびディスク装置 |
JP2003255551A (ja) * | 2002-02-28 | 2003-09-10 | Sony Corp | 露光装置および露光方法 |
JP2004020353A (ja) * | 2002-06-14 | 2004-01-22 | Canon Inc | 近接場光用の探針、該探針を用いた近接場光発生方法、該探針を有するプローブ、該プローブを有するストレージ装置、表面観察装置、露光装置、デバイス製造方法、近接場光用の探針を有するプローブの製造方法 |
WO2005112014A1 (ja) * | 2004-05-14 | 2005-11-24 | Fujitsu Limited | 光照射ヘッド、情報記憶装置、光照射ヘッド設計装置、および光照射ヘッド設計プログラム |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8116174B2 (en) | 2007-02-13 | 2012-02-14 | Konica Minolta Opto, Inc. | Near field light generating device, optically assisted magnetic recording head, optically assisted magnetic recording device, near field optical microscope and near field light exposure apparatus |
WO2011033926A1 (ja) * | 2009-09-16 | 2011-03-24 | コニカミノルタオプト株式会社 | 近接場光発生器、光アシスト磁気記録ヘッド、および光アシスト磁気記録装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2008099623A1 (ja) | 2010-05-27 |
JP4544362B2 (ja) | 2010-09-15 |
US8116174B2 (en) | 2012-02-14 |
US20100118664A1 (en) | 2010-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2008099623A1 (ja) | 近接場光発生器、光アシスト式磁気記録ヘッド、光アシスト式磁気記録装置、近接場光顕微鏡装置、近接場光露光装置 | |
JP2011519071A5 (ja) | ||
ATE552519T1 (de) | Optisches element, lithografievorrichtung mit derartigem optischen element und verfahren zur herstellung eines bauelements | |
MY152221A (en) | Light delivery waveguide | |
TWI365443B (en) | Optical near-field generating device, optical near-field generating method and information recording and reproducing apparatus | |
ATE532104T1 (de) | Vorrichtung und verfahren zur steuerung einer vorrichtung zur mikrostrukturierung eines speichermediums | |
ATE460641T1 (de) | Optisches bildmessgerät | |
WO2008123844A3 (en) | System for detecting nanoparticles using modulated surface plasmon resonance (mspr) | |
JP2011039290A5 (ja) | ||
WO2012013320A3 (en) | Method and apparatus for qualifying optics of a projection exposure tool for microlithography | |
ATE391936T1 (de) | Verfahren zur herstellung eines bauteils zur optischen kopplung | |
ATE446573T1 (de) | Konvergierendes optisches element und optisches abtastgerät | |
ATE500956T1 (de) | Verfahren und vorrichtung zur herstellung einer ophthalmischen linse mit fotoaktivem material | |
EP2347910A4 (en) | OPTICAL INFORMATION RECORDING MEDIUM, INFORMATION REGISTRATION PROCEDURE AND PHOTOSENSIBILIZER | |
ATE521914T1 (de) | Optische vorrichtung zur erzeugung von licht im terahertz-frequenzbereich | |
TW200717507A (en) | Optical pickup apparatus and optical information recording and/or reproducing apparatus | |
MX2011010839A (es) | Medio de registro optico, metodo para producir el mismo y dispositivo de registro. | |
EP1826757A3 (en) | Optical-pickup head device, and method and apparatus for reproducing optical storage medium | |
EP2001021A4 (en) | PROXIMITY FIELD OPTICAL HEAD, PROXIMITY FIELD OPTICAL HEAD DEVICE, PROXIMITY FIELD OPTICAL INFORMATION DEVICE, AND PROXIMITY FIELD OPTICAL INFORMATION SYSTEM | |
BRPI0917413A2 (pt) | método de medição de meio de informação óptica, meio de informação óptica, aparelho de gravação e aparelho de reprodução | |
EP1970903A4 (en) | NEAR-LIGHT USING HEAD AND INFORMATION RECORDER | |
JP2008188984A5 (ja) | ||
FR2960689B1 (fr) | Procedes d'ecriture et de lecture de donnees par fluorescence sur un support photosensible, support et dispositifs associes. | |
WO2008136404A1 (ja) | 光学部材、干渉計システム、ステージ装置、露光装置、及びデバイス製造方法 | |
EP2287839A4 (en) | OPTICAL INFORMATION RECORDING AND REPRODUCING DEVICE, OPTICAL INFORMATION INFORMATION RECORDING AND REPRODUCING METHOD, OPTICAL INFORMATION RECORDING MEDIUM, AND SOLID IMMERSION LENS |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08702996 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2008558016 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12524907 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 08702996 Country of ref document: EP Kind code of ref document: A1 |