NL1032057A1 - Lichtafgiftemodule en warmteondersteunde magnetische opnamekop die deze gebruikt. - Google Patents

Lichtafgiftemodule en warmteondersteunde magnetische opnamekop die deze gebruikt.

Info

Publication number
NL1032057A1
NL1032057A1 NL1032057A NL1032057A NL1032057A1 NL 1032057 A1 NL1032057 A1 NL 1032057A1 NL 1032057 A NL1032057 A NL 1032057A NL 1032057 A NL1032057 A NL 1032057A NL 1032057 A1 NL1032057 A1 NL 1032057A1
Authority
NL
Netherlands
Prior art keywords
heat
recording head
magnetic recording
light output
output module
Prior art date
Application number
NL1032057A
Other languages
English (en)
Other versions
NL1032057C2 (nl
Inventor
Sung-Dong Suh
Jin-Seung Sohn
Byung-Kyu Lee
Eun-Hyoung Cho
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of NL1032057A1 publication Critical patent/NL1032057A1/nl
Application granted granted Critical
Publication of NL1032057C2 publication Critical patent/NL1032057C2/nl

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Head (AREA)
NL1032057A 2005-10-06 2006-06-26 Lichtafgiftemodule en warmteondersteunde magnetische opnamekop die deze gebruikt. NL1032057C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050093909A KR100657971B1 (ko) 2005-10-06 2005-10-06 광전송 모듈 및 이를 채용한 열보조 자기기록 헤드
KR20050093909 2005-10-06

Publications (2)

Publication Number Publication Date
NL1032057A1 true NL1032057A1 (nl) 2007-04-10
NL1032057C2 NL1032057C2 (nl) 2008-11-04

Family

ID=37733425

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1032057A NL1032057C2 (nl) 2005-10-06 2006-06-26 Lichtafgiftemodule en warmteondersteunde magnetische opnamekop die deze gebruikt.

Country Status (5)

Country Link
US (1) US20070081427A1 (nl)
JP (1) JP4291346B2 (nl)
KR (1) KR100657971B1 (nl)
CN (1) CN1945712B (nl)
NL (1) NL1032057C2 (nl)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030198146A1 (en) * 2002-04-18 2003-10-23 Seagate Technology Llc Heat assisted magnetic recording head with multilayer electromagnetic radiation emission structure
KR100707209B1 (ko) * 2006-01-11 2007-04-13 삼성전자주식회사 열보조 자기기록 헤드 및 그 제조방법
JP4947794B2 (ja) * 2007-11-21 2012-06-06 セイコーインスツル株式会社 情報記録再生装置
US7986592B2 (en) * 2008-03-10 2011-07-26 Hitachi Global Storage Technologies, Netherlands B.V. Components and assembly procedure for thermal assisted recording
US8092704B2 (en) * 2008-12-30 2012-01-10 Hitachi Global Storage Technologies Netherlands B.V. System, method and apparatus for fabricating a c-aperture or E-antenna plasmonic near field source for thermal assisted recording applications
US8472286B2 (en) 2008-12-31 2013-06-25 HGST Netherlands B.V. Near field transducer having main body and wings extending therefrom and only electrically coupled thereby
US8169881B2 (en) * 2008-12-31 2012-05-01 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted recording head having recessed waveguide with near field transducer and methods of making same
US7880996B2 (en) * 2008-12-31 2011-02-01 Hitachi Global Storage Technologies Netherlands B.V. Ridge wave-guide for thermal assisted magnetic recording
US8625941B1 (en) 2010-05-20 2014-01-07 Western Digital (Fremont), Llc Broadband reflective waveguide metal gratings and their formation
US8339906B2 (en) 2010-06-30 2012-12-25 Seagate Technology Llc Transducer assembly for heat assisted magnetic recording light delivery
US8437229B2 (en) 2010-07-21 2013-05-07 Seagate Technology Llc Transducer assembly having grating slits parallel to longitudinal axis of waveguide
US8456964B1 (en) 2010-11-16 2013-06-04 Western Digital (Fremont), Llc Energy assisted magnetic recording head having a reflector for improving efficiency of the light beam
US8593914B2 (en) 2010-12-22 2013-11-26 Western Digital (Fremont), Llc Method and system for optically coupling a laser with a transducer in an energy assisted magnetic recording disk drive
US8451695B2 (en) 2011-06-23 2013-05-28 Seagate Technology Llc Vertical cavity surface emitting laser with integrated mirror and waveguide
US8325569B1 (en) 2011-06-27 2012-12-04 Western Digital (Fremont), Llc EAMR head having improved optical coupling efficiency
US8897103B2 (en) 2011-09-27 2014-11-25 Western Digital Technologies, Inc. Disk drive calibrating a laser write power for heat assisted magnetic recording
US8675455B1 (en) 2012-02-17 2014-03-18 Western Digital (Fremont), Llc Systems and methods for controlling light phase difference in interferometric waveguides at near field transducers
US8670294B1 (en) 2012-02-17 2014-03-11 Western Digital (Fremont), Llc Systems and methods for increasing media absorption efficiency using interferometric waveguides
US9286920B1 (en) 2013-01-31 2016-03-15 Western Digital (Fremont), Llc Method for compensating for phase variations in an interferometric tapered waveguide in a heat assisted magnetic recording head
US9336814B1 (en) 2013-03-12 2016-05-10 Western Digital (Fremont), Llc Inverse tapered waveguide for use in a heat assisted magnetic recording head
US8861124B1 (en) 2013-03-14 2014-10-14 Western Digital (Fremont), Llc Integrated sensor for monitoring laser power in a heat assisted magnetic recording disk drive
US8897102B1 (en) 2013-04-02 2014-11-25 Western Digital (Fremont), Llc Method and system for measuring light delivery offsets in a heat assisted magnetic recording head
US9064527B1 (en) 2013-04-12 2015-06-23 Western Digital (Fremont), Llc High order tapered waveguide for use in a heat assisted magnetic recording head
US9064528B1 (en) 2013-05-17 2015-06-23 Western Digital Technologies, Inc. Interferometric waveguide usable in shingled heat assisted magnetic recording in the absence of a near-field transducer
US8947985B1 (en) 2013-07-16 2015-02-03 Western Digital (Fremont), Llc Heat assisted magnetic recording transducers having a recessed pole
US8923102B1 (en) 2013-07-16 2014-12-30 Western Digital (Fremont), Llc Optical grating coupling for interferometric waveguides in heat assisted magnetic recording heads
US9105286B2 (en) * 2013-07-30 2015-08-11 HGST Netherlands B.V. Method using epitaxial transfer to integrate HAMR photonic integrated circuit (PIC) into recording head wafer
US9001628B1 (en) 2013-12-16 2015-04-07 Western Digital (Fremont), Llc Assistant waveguides for evaluating main waveguide coupling efficiency and diode laser alignment tolerances for hard disk
US9142233B1 (en) 2014-02-28 2015-09-22 Western Digital (Fremont), Llc Heat assisted magnetic recording writer having a recessed pole
US9190085B1 (en) 2014-03-12 2015-11-17 Western Digital (Fremont), Llc Waveguide with reflective grating for localized energy intensity

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02260205A (ja) * 1989-03-31 1990-10-23 Sharp Corp 光磁気複合ヘッド
JP2864702B2 (ja) * 1990-09-12 1999-03-08 ブラザー工業株式会社 光集積型ピックアップ
KR100198460B1 (ko) * 1996-10-29 1999-06-15 이계철 브이홈에 정렬된 렌즈를 가진 광모듈 및 그 제작방법
JP2000187877A (ja) 1998-12-24 2000-07-04 Sharp Corp 光導波路素子および導波路型光ヘッド
JP3780769B2 (ja) * 1999-09-28 2006-05-31 住友電気工業株式会社 光通信装置
US6700856B2 (en) * 1999-12-28 2004-03-02 Fuji Xerox Co., Ltd. Optical head, magneto-optical head, disk apparatus and manufacturing method of optical head
US7345316B2 (en) * 2000-10-25 2008-03-18 Shipley Company, L.L.C. Wafer level packaging for optoelectronic devices
CN1349292A (zh) * 2001-11-16 2002-05-15 清华大学 近场光学纳米孔径激光器
US20030198146A1 (en) * 2002-04-18 2003-10-23 Seagate Technology Llc Heat assisted magnetic recording head with multilayer electromagnetic radiation emission structure
WO2004003891A1 (en) * 2002-06-28 2004-01-08 Seagate Technology Llc Heat assisted magnetic recording head with a planar waveguide
US6999001B2 (en) * 2002-07-02 2006-02-14 Kabushiki Kaisha Toshiba Card processing system and card processing method on toll road
KR100601931B1 (ko) * 2003-06-16 2006-07-14 삼성전자주식회사 박형 광픽업
JP2005259329A (ja) * 2004-02-12 2005-09-22 Sony Corp チルト制御方法及び光ディスク装置。

Also Published As

Publication number Publication date
JP4291346B2 (ja) 2009-07-08
CN1945712A (zh) 2007-04-11
CN1945712B (zh) 2011-12-07
KR100657971B1 (ko) 2006-12-14
US20070081427A1 (en) 2007-04-12
NL1032057C2 (nl) 2008-11-04
JP2007102993A (ja) 2007-04-19

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20080902

PD2B A search report has been drawn up
MM Lapsed because of non-payment of the annual fee

Effective date: 20160701