KR20150034088A - Abs 원위의 데이터 라이터 측면 실드 갭의 변화 - Google Patents

Abs 원위의 데이터 라이터 측면 실드 갭의 변화 Download PDF

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Publication number
KR20150034088A
KR20150034088A KR20140112369A KR20140112369A KR20150034088A KR 20150034088 A KR20150034088 A KR 20150034088A KR 20140112369 A KR20140112369 A KR 20140112369A KR 20140112369 A KR20140112369 A KR 20140112369A KR 20150034088 A KR20150034088 A KR 20150034088A
Authority
KR
South Korea
Prior art keywords
abs
shield
magnetic
pole
recording
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
KR20140112369A
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English (en)
Korean (ko)
Inventor
무함마드 아시프 바시르
마크 구빈스
스와라즈 바스
마르쿠스 비. 무니
Original Assignee
시게이트 테크놀로지 엘엘씨
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 시게이트 테크놀로지 엘엘씨 filed Critical 시게이트 테크놀로지 엘엘씨
Publication of KR20150034088A publication Critical patent/KR20150034088A/ko
Ceased legal-status Critical Current

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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)
KR20140112369A 2013-09-25 2014-08-27 Abs 원위의 데이터 라이터 측면 실드 갭의 변화 Ceased KR20150034088A (ko)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
KR20150034088A true KR20150034088A (ko) 2015-04-02

Family

ID=52690723

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20140112369A Ceased KR20150034088A (ko) 2013-09-25 2014-08-27 Abs 원위의 데이터 라이터 측면 실드 갭의 변화

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
US9721590B2 (en) 2014-01-13 2017-08-01 Seagate Technology Llc Varying write pole side shield gap
US9224407B2 (en) * 2014-01-13 2015-12-29 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
CN104464759A (zh) 2015-03-25
JP6114243B2 (ja) 2017-04-12
US9437220B2 (en) 2016-09-06
JP2015064923A (ja) 2015-04-09
US20150085402A1 (en) 2015-03-26

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