JP2009009689A - 垂直磁気記録ヘッド及びその製造方法 - Google Patents

垂直磁気記録ヘッド及びその製造方法 Download PDF

Info

Publication number
JP2009009689A
JP2009009689A JP2008167498A JP2008167498A JP2009009689A JP 2009009689 A JP2009009689 A JP 2009009689A JP 2008167498 A JP2008167498 A JP 2008167498A JP 2008167498 A JP2008167498 A JP 2008167498A JP 2009009689 A JP2009009689 A JP 2009009689A
Authority
JP
Japan
Prior art keywords
main pole
recording head
magnetic recording
perpendicular magnetic
head according
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.)
Ceased
Application number
JP2008167498A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009009689A5 (enExample
Inventor
Kyusik Sin
奎植 申
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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 JP2009009689A publication Critical patent/JP2009009689A/ja
Publication of JP2009009689A5 publication Critical patent/JP2009009689A5/ja
Ceased legal-status Critical Current

Links

Images

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
    • 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
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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
    • G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
    • G11B5/315—Shield layers on both sides of the main pole, e.g. in perpendicular magnetic heads
    • 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
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • 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
    • 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
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
JP2008167498A 2007-06-28 2008-06-26 垂直磁気記録ヘッド及びその製造方法 Ceased JP2009009689A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070064603A KR100924695B1 (ko) 2007-06-28 2007-06-28 수직 자기 기록 헤드 및 그 제조방법

Publications (2)

Publication Number Publication Date
JP2009009689A true JP2009009689A (ja) 2009-01-15
JP2009009689A5 JP2009009689A5 (enExample) 2012-07-19

Family

ID=40160113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008167498A Ceased JP2009009689A (ja) 2007-06-28 2008-06-26 垂直磁気記録ヘッド及びその製造方法

Country Status (4)

Country Link
US (1) US20090002885A1 (enExample)
JP (1) JP2009009689A (enExample)
KR (1) KR100924695B1 (enExample)
CN (1) CN101335009B (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8276258B1 (en) 2008-08-26 2012-10-02 Western Digital (Fremont), Llc Method for fabricating a magnetic recording transducer
US8166631B1 (en) 2008-08-27 2012-05-01 Western Digital (Fremont), Llc Method for fabricating a magnetic recording transducer having side shields
US8720044B1 (en) 2008-09-26 2014-05-13 Western Digital (Fremont), Llc Method for manufacturing a magnetic recording transducer having side shields
US8231796B1 (en) 2008-12-09 2012-07-31 Western Digital (Fremont), Llc Method and system for providing a magnetic recording transducer having side shields
US9036298B2 (en) * 2009-07-29 2015-05-19 Seagate Technology Llc Methods and devices to control write pole height in recording heads
US8375564B1 (en) 2009-12-08 2013-02-19 Western Digital (Fremont), Llc Method for fabricating a pole of a magnetic transducer
US8441757B2 (en) * 2009-12-09 2013-05-14 HGST Netherlands B.V. Perpendicular magnetic write head with wrap-around shield, slanted pole and slanted pole bump fabricated by damascene process
US8277669B1 (en) 2009-12-21 2012-10-02 Western Digital (Fremont), Llc Method and system for providing a perpendicular magnetic recording pole having a leading edge bevel
US8300359B2 (en) * 2009-12-30 2012-10-30 Tdk Corporation Perpendicular magnetic recording head and magnetic recording device
US8432639B2 (en) 2010-05-06 2013-04-30 Headway Technologies, Inc. PMR writer with π shaped shield
US8444866B1 (en) 2010-09-21 2013-05-21 Westen Digital (Fremont), LLC Method and system for providing a perpendicular magnetic recording pole with a multi-layer side gap
US8432637B2 (en) * 2010-11-10 2013-04-30 HGST Netherlands B.V. Wet etching silicon oxide during the formation of a damascene pole and adjacent structure
US8553371B2 (en) 2010-11-24 2013-10-08 HGST Netherlands B.V. TMR reader without DLC capping structure
US8524095B2 (en) 2010-11-24 2013-09-03 HGST Netherlands B.V. Process to make PMR writer with leading edge shield (LES) and leading edge taper (LET)
US8470186B2 (en) 2010-11-24 2013-06-25 HGST Netherlands B.V. Perpendicular write head with wrap around shield and conformal side gap
US8400733B2 (en) 2010-11-24 2013-03-19 HGST Netherlands B.V. Process to make PMR writer with leading edge shield (LES) and leading edge taper (LET)
US8830623B2 (en) 2011-12-19 2014-09-09 HGST Netherlands B.V. Shield structure for reducing the magnetic induction rate of the trailing shield and systems thereof
US8451563B1 (en) 2011-12-20 2013-05-28 Western Digital (Fremont), Llc Method for providing a side shield for a magnetic recording transducer using an air bridge
US8980109B1 (en) 2012-12-11 2015-03-17 Western Digital (Fremont), Llc Method for providing a magnetic recording transducer using a combined main pole and side shield CMP for a wraparound shield scheme
US8914969B1 (en) * 2012-12-17 2014-12-23 Western Digital (Fremont), Llc Method for providing a monolithic shield for a magnetic recording transducer
US9042051B2 (en) 2013-08-15 2015-05-26 Western Digital (Fremont), Llc Gradient write gap for perpendicular magnetic recording writer
US9082423B1 (en) 2013-12-18 2015-07-14 Western Digital (Fremont), Llc Magnetic recording write transducer having an improved trailing surface profile
JP2016219070A (ja) * 2015-05-14 2016-12-22 株式会社東芝 磁気記録ヘッド、およびこれを備えたディスク装置
CN114783466B (zh) * 2018-11-22 2023-10-20 新科实业有限公司 用于热辅助磁记录的过渡曲率改进的系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002197615A (ja) * 2000-12-26 2002-07-12 Alps Electric Co Ltd 垂直磁気記録ヘッドおよびその製造方法
JP2005092929A (ja) * 2003-09-12 2005-04-07 Alps Electric Co Ltd 垂直磁気ヘッドおよびその製造方法
JP2005310363A (ja) * 2004-04-21 2005-11-04 Headway Technologies Inc 垂直記録ヘッドのフリンジ磁界の減少方法、シールド、ならびに垂直記録ヘッド
JP2007128581A (ja) * 2005-11-02 2007-05-24 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド及びその製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004348928A (ja) * 2003-05-26 2004-12-09 Alps Electric Co Ltd 垂直記録磁気ヘッド
US7002775B2 (en) * 2003-09-30 2006-02-21 Hitachi Global Storage Technologies Netherlands B.V. Head for perpendicular magnetic recording with a shield structure connected to the return pole piece
JP4260002B2 (ja) * 2003-12-24 2009-04-30 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気ヘッドとその製造方法および磁気記録再生装置
US7295401B2 (en) * 2004-10-27 2007-11-13 Hitachi Global Storage Technologies Netherlands B.V. Laminated side shield for perpendicular write head for improved performance
JP2006147023A (ja) * 2004-11-18 2006-06-08 Fujitsu Ltd 薄膜磁気ヘッドおよびその製造方法
US7573683B1 (en) * 2005-07-08 2009-08-11 Maxtor Corporation Write heads with floating side shields and manufacturing methods
US20070035878A1 (en) * 2005-08-10 2007-02-15 Hung-Chin Guthrie Perpendicular head with self-aligned notching trailing shield process
US7978431B2 (en) * 2007-05-31 2011-07-12 Headway Technologies, Inc. Method to make a perpendicular magnetic recording head with a bottom side shield

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002197615A (ja) * 2000-12-26 2002-07-12 Alps Electric Co Ltd 垂直磁気記録ヘッドおよびその製造方法
JP2005092929A (ja) * 2003-09-12 2005-04-07 Alps Electric Co Ltd 垂直磁気ヘッドおよびその製造方法
JP2005310363A (ja) * 2004-04-21 2005-11-04 Headway Technologies Inc 垂直記録ヘッドのフリンジ磁界の減少方法、シールド、ならびに垂直記録ヘッド
JP2007128581A (ja) * 2005-11-02 2007-05-24 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッド及びその製造方法

Also Published As

Publication number Publication date
US20090002885A1 (en) 2009-01-01
CN101335009A (zh) 2008-12-31
CN101335009B (zh) 2013-02-13
KR100924695B1 (ko) 2009-11-03
KR20090000497A (ko) 2009-01-07

Similar Documents

Publication Publication Date Title
KR100924695B1 (ko) 수직 자기 기록 헤드 및 그 제조방법
US9466319B1 (en) Perpendicular magnetic recording (PMR) write shield design with minimized wide adjacent track erasure (WATE)
US10014021B1 (en) Perpendicular magnetic recording (PMR) write head with patterned leading shield
US10657988B2 (en) Method of forming a perpendicular magnetic recording (PMR) write head with patterned leading edge taper
US10714129B1 (en) Writer with recessed spin flipping element in the main pole surrounding gap
US8400732B2 (en) Perpendicular magnetic write head, having side shields coupled to a leading shield and apart from a trailing shield
US11043234B2 (en) Spin transfer torque oscillator (STO) with spin torque injection to a flux generating layer (FGL) from two sides
US10950257B2 (en) Process of forming a recessed spin flipping element in the write gap
JP2014211934A (ja) 高周波磁界アシスト磁気記録ヘッド及びその製造方法
JP2009070548A (ja) 垂直磁気記録ヘッド及びその製造方法
JP2005302281A (ja) ヘッド磁界の増加方法、ならびに磁気記録ヘッドおよびその製造方法
US8315014B2 (en) Perpendicular magnetic recording head and method of manufacturing the same
JP2007128581A (ja) 磁気ヘッド及びその製造方法
JP2007052904A (ja) 垂直磁気ヘッド及びその製造方法
JPH10334409A (ja) 薄膜磁気ヘッド
JP2002298309A (ja) 磁気ヘッド及びその製造方法
JP2006018985A (ja) 垂直磁気記録用磁気ヘッドおよびその製造方法
US20240170010A1 (en) Spin Injection Assisted Magnetic Recording
JP2007004958A (ja) 垂直磁気記録用薄膜磁気ヘッド
US7203032B2 (en) Magnetic recording head and fabrication process
JP2007257711A (ja) 垂直記録磁気ヘッドの製造方法及び垂直記録磁気ヘッド
JP2009230810A (ja) 垂直磁気記録ヘッドの製造方法
JP2004103215A (ja) 書き込みギャップに高磁気モーメント材料を有する記録ヘッドライタおよび関連する方法
US7808743B2 (en) Perpendicular magnetic write head having a structure that suppresses unintended erasure of information on a write medium at a non-writing time
US7463448B2 (en) Thin film magnetic head having upper and lower poles and a gap film within a trench

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110606

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120604

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20120618

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121023

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130730

A045 Written measure of dismissal of application [lapsed due to lack of payment]

Free format text: JAPANESE INTERMEDIATE CODE: A045

Effective date: 20131126