JP6114243B2 - Ａｂｓの遠位にある変動するデータライター側面シールドギャップ - Google Patents

Ａｂｓの遠位にある変動するデータライター側面シールドギャップ Download PDF

Info

Publication number
JP6114243B2
JP6114243B2 JP2014178977A JP2014178977A JP6114243B2 JP 6114243 B2 JP6114243 B2 JP 6114243B2 JP 2014178977 A JP2014178977 A JP 2014178977A JP 2014178977 A JP2014178977 A JP 2014178977A JP 6114243 B2 JP6114243 B2 JP 6114243B2
Authority
JP
Japan
Prior art keywords
shield
abs
sublayer
magnetic
write pole
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.)
Active
Application number
JP2014178977A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015064923A (ja
JP2015064923A5 (enExample
Inventor
モハメド・アシフ・バシール
マーク・ガビンス
スワラジ・バス
マーカス・ビィ・ムーニー
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of JP2015064923A publication Critical patent/JP2015064923A/ja
Publication of JP2015064923A5 publication Critical patent/JP2015064923A5/ja
Application granted granted Critical
Publication of JP6114243B2 publication Critical patent/JP6114243B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP2014178977A 2013-09-25 2014-09-03 Ａｂｓの遠位にある変動するデータライター側面シールドギャップ Active JP6114243B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/036,698 US9437220B2 (en) 2013-09-25 2013-09-25 Varying data writer side shield gap distal the ABS
US14/036,698 2013-09-25

Publications (3)

Publication Number Publication Date
JP2015064923A JP2015064923A (ja) 2015-04-09
JP2015064923A5 JP2015064923A5 (enExample) 2015-05-21
JP6114243B2 true JP6114243B2 (ja) 2017-04-12

Family

ID=52690723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014178977A Active JP6114243B2 (ja) 2013-09-25 2014-09-03 Ａｂｓの遠位にある変動するデータライター側面シールドギャップ

Country Status (4)

Country Link
US (1) US9437220B2 (enExample)
JP (1) JP6114243B2 (enExample)
KR (1) KR20150034088A (enExample)
CN (1) CN104464759A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9224407B2 (en) * 2014-01-13 2015-12-29 Seagate Technology Llc Varying write pole side shield gap
US9721590B2 (en) 2014-01-13 2017-08-01 Seagate Technology Llc Varying write pole side shield gap
US9406317B1 (en) * 2015-08-06 2016-08-02 Headway Technologies, Inc. Perpendicular magnetic recording (PMR) write head with improved shapes of side shield and main pole
US9704510B2 (en) * 2015-09-24 2017-07-11 Seagate Technology Llc Data writer with graded side shields
US9595273B1 (en) 2015-09-30 2017-03-14 Western Digital (Fremont), Llc Shingle magnetic writer having nonconformal shields
US9984707B2 (en) * 2015-11-11 2018-05-29 Seagate Technology Llc Write pole wrap-around shield with gap lamination
US10014021B1 (en) * 2017-05-15 2018-07-03 Headway Technologies, Inc. Perpendicular magnetic recording (PMR) write head with patterned leading shield
US10522178B1 (en) 2018-08-24 2019-12-31 Headway Technologies, Inc. High damping shield with low magnetic moment in perpendicular magnetic recording (PMR) writer
US10832710B1 (en) 2019-09-09 2020-11-10 Western Digital Technologies, Inc. Magnetic recording devices using virtual side shields for improved areal density capability
US11302350B1 (en) * 2021-02-18 2022-04-12 Western Digital Technologies, Inc. Magnetic recording head having a wrap-around shield comprising a laminated film and a magnetic recording device comprising the magnetic recording head

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7573683B1 (en) 2005-07-08 2009-08-11 Maxtor Corporation Write heads with floating side shields and manufacturing methods
US8339735B2 (en) 2007-06-29 2012-12-25 Seagate Technology Llc Magnetic writer for patterned stack with increased write field
US8035930B2 (en) * 2007-10-03 2011-10-11 Headway Technologies, Inc. Perpendicular magnetic recording write head with a side shield
US8031433B2 (en) 2008-09-05 2011-10-04 Headway Technologies, Inc. Method to make an integrated side shield PMR head with non conformal side gap
US8400731B1 (en) 2009-04-19 2013-03-19 Western Digital (Fremont), Llc Write head with variable side shield gaps
JP4599452B1 (ja) 2009-06-12 2010-12-15 株式会社東芝 磁気ヘッド、およびこれを備えたディスク装置
US8339741B2 (en) 2009-06-22 2012-12-25 Seagate Technology Llc Write pole trailing edge partial side shield
JP5738521B2 (ja) * 2009-07-03 2015-06-24 エイチジーエスティーネザーランドビーブイ 垂直磁気記録ヘッド
US8323727B2 (en) * 2009-12-17 2012-12-04 Hitachi Global Storage Technologies Netherlands B.V. Method for manufacturing a perpendicular magnetic write head having a tapered write pole and a stepped wrap around side shield gap
US8264798B1 (en) 2010-06-23 2012-09-11 Western Digital (Fremont), Llc Systems and methods for providing magnetic recording heads adapted for writing shingled tracks
US8345385B2 (en) * 2010-10-29 2013-01-01 Seagate Technology Llc Shield with continuously concave inner sidewall
US8537501B2 (en) * 2011-03-28 2013-09-17 Seagate Technology Llc Write head with modified side shields
US8295008B1 (en) 2011-07-22 2012-10-23 Headway Technologies, Inc. Magnetic head for perpendicular magnetic recording having a main pole and a shield
US8570686B2 (en) * 2012-03-13 2013-10-29 HGST Netherlands B.V. Magnetic recording head with non-conformal side shield gap

Also Published As

Publication number Publication date
JP2015064923A (ja) 2015-04-09
US9437220B2 (en) 2016-09-06
CN104464759A (zh) 2015-03-25
KR20150034088A (ko) 2015-04-02
US20150085402A1 (en) 2015-03-26

Similar Documents

Publication Publication Date Title
JP6114243B2 (ja) Ａｂｓの遠位にある変動するデータライター側面シールドギャップ
JP5878493B2 (ja) 装置、磁気読取素子およびトランスデューシングヘッド
JP6050266B2 (ja) 書込磁極を備える装置、磁性素子、およびデータライタ
US8830626B2 (en) Write pole with shaped box shield
US8902544B2 (en) Spin torque oscillator (STO) reader with soft magnetic side shields
US9001474B2 (en) Magnetic element with biasing structure distal the air bearing surface
US8848317B2 (en) Magnetic data recording system with mirror image asymmetric magnetic write elements
US9218824B2 (en) Data writer with tapered side shield sidewalls
JP5981521B2 (ja) 内側側壁を有するシールドを備える装置
JP2008192284A (ja) 複数の材料を使用したヘリカルコイル構造を備えた磁気書込みヘッド
US8885300B2 (en) Magnetic element with a bi-layer side shield
US9019659B1 (en) Write pole with varying bevel angles
US8873203B2 (en) Magnetic head having a soft magnetic layer formed behind a tunneling magnetoresistance (TMR) sensor in an element height direction
US9218825B2 (en) T-shaped write pole
US9858952B1 (en) Microwave assisted magnetic recording head having spin torque oscillator frequency detection
US9224407B2 (en) Varying write pole side shield gap
US9721590B2 (en) Varying write pole side shield gap
US8947827B1 (en) Stitched pole having a tapered tip
US9349388B1 (en) Data writer front shield with varying throat height
US9728207B2 (en) Write pole magnetic guard
US20140268420A1 (en) Magnetic write head having a write pole with a constant flare angle and multiple yoke angles

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150305

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20150305

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20150915

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20151020

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160119

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20160712

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20161012

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20170214

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20170316

R150 Certificate of patent or registration of utility model

Ref document number: 6114243

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250