JP2004335082A - 読み取り構造と書き込み構造の間に最微小の分離を有する並列薄膜ヘッドに関する方法および装置 - Google Patents

読み取り構造と書き込み構造の間に最微小の分離を有する並列薄膜ヘッドに関する方法および装置 Download PDF

Info

Publication number
JP2004335082A
JP2004335082A JP2004125063A JP2004125063A JP2004335082A JP 2004335082 A JP2004335082 A JP 2004335082A JP 2004125063 A JP2004125063 A JP 2004125063A JP 2004125063 A JP2004125063 A JP 2004125063A JP 2004335082 A JP2004335082 A JP 2004335082A
Authority
JP
Japan
Prior art keywords
read
yoke
head
abs
coil
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.)
Pending
Application number
JP2004125063A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004335082A5 (enExample
Inventor
Hugo Alberto Emilio Santini
ヒューゴ・アルベルト・エミリオ・サンティニ
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.)
HGST Netherlands BV
HGST Inc
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
Hitachi Global Storage Technologies Inc
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 Hitachi Global Storage Technologies Netherlands BV, Hitachi Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Netherlands BV
Publication of JP2004335082A publication Critical patent/JP2004335082A/ja
Publication of JP2004335082A5 publication Critical patent/JP2004335082A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005Specially adapted for spacing from a rotating disc using a fluid cushion
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127Structure or manufacture of heads, e.g. inductive
    • G11B5/33Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP2004125063A 2003-05-07 2004-04-21 読み取り構造と書き込み構造の間に最微小の分離を有する並列薄膜ヘッドに関する方法および装置 Pending JP2004335082A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/430,972 US7227727B2 (en) 2003-05-07 2003-05-07 Method and apparatus for a side-by-side thin film head with minimal separation between the read and write structures

Publications (2)

Publication Number Publication Date
JP2004335082A true JP2004335082A (ja) 2004-11-25
JP2004335082A5 JP2004335082A5 (enExample) 2007-06-07

Family

ID=33416361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004125063A Pending JP2004335082A (ja) 2003-05-07 2004-04-21 読み取り構造と書き込み構造の間に最微小の分離を有する並列薄膜ヘッドに関する方法および装置

Country Status (3)

Country Link
US (1) US7227727B2 (enExample)
JP (1) JP2004335082A (enExample)
CN (1) CN1551118A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7535674B2 (en) * 2004-09-09 2009-05-19 Hitachi Global Storage Technologies Netherlands B.V. Narrow pitch tape head array using an orthogonal backgap
US7343667B2 (en) * 2004-09-30 2008-03-18 Hitachi Global Storage Technologies Netherlands B.V. Methods of making a side-by-side read/write head with a self-aligned trailing shield structure
JP2013016245A (ja) * 2011-06-30 2013-01-24 Seagate Technology Llc 磁気ヘッド
US20130188281A1 (en) * 2012-01-25 2013-07-25 Seagate Technology Llc Devices including shaped write coils
US8687318B2 (en) * 2012-03-13 2014-04-01 Seagate Technology Llc Recording head coil structure
US9741369B2 (en) * 2014-02-28 2017-08-22 Western Digital Technologies, Inc. Multi-track reader for improved signal to noise ratio
JP2022025918A (ja) * 2020-07-30 2022-02-10 株式会社東芝 磁気ディスク装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285341A (en) * 1990-12-17 1994-02-08 Canon Kabushiki Kaisha Thin film magnetic head
US5909346A (en) * 1994-08-26 1999-06-01 Aiwa Research & Development, Inc. Thin magnetic film including multiple geometry gap structures on a common substrate
US5798890A (en) * 1997-03-05 1998-08-25 International Business Machines Corporation Disk drive with identical three-element, side-by-side heads on opposite disk surfaces
JP3503874B2 (ja) * 1998-09-29 2004-03-08 Tdk株式会社 薄膜磁気ヘッドの製造方法
US6201671B1 (en) * 1998-12-04 2001-03-13 International Business Machines Corporation Seed layer for a nickel oxide pinning layer for increasing the magnetoresistance of a spin valve sensor
US6985330B2 (en) * 2003-07-28 2006-01-10 Hitachi Global Technologies Netherlands B.V. High efficiency side-by-side thin film head utilizing canted shield yokes

Also Published As

Publication number Publication date
US20040223260A1 (en) 2004-11-11
US7227727B2 (en) 2007-06-05
CN1551118A (zh) 2004-12-01

Similar Documents

Publication Publication Date Title
US7349179B1 (en) Write head for improved manufacturability larger write field and reduced adjacent track erasure
US5257149A (en) Disc drive with offset address field
US8064160B2 (en) Magnetic head for perpendicular magnetic recording with coil wound around pole layer
JP5453668B2 (ja) スキュー関数によって間隔が調整されたパターンド・メディア
US20210280208A1 (en) Areal Density Capability Improvement With A Main Pole Skin
US6081402A (en) High-density disk drive with multi-arm-track-per-head access
US7542243B2 (en) Slider with transducing and heating elements formed on trailing end thereof and sharing same thin film structure
US7768742B2 (en) Method and apparatus for providing a truncated profile probe for perpendicular recording
JP5930956B2 (ja) カーボンナノチューブを組み込んだタッチダウン検出器を備えた磁気記録ヘッド
US8031432B2 (en) Magnetic write head having helical coil with a fin structure for reduced heat induced protrusion
US5444589A (en) Rotary actuator disk drive with identical dual-element read/write transducers
US8964331B2 (en) Perpendicular magnetic write head having a main magnetic write pole portion and a magnetic sub-pole portion configured for increased magnetic write field
JP2004335082A (ja) 読み取り構造と書き込み構造の間に最微小の分離を有する並列薄膜ヘッドに関する方法および装置
US5715120A (en) Magnetoresistance sensor with enhanced magnetoresistive effect
JP2006244550A (ja) 記録媒体駆動装置並びにヘッド位置検出方法およびクロック信号生成方法
US7038878B2 (en) Micromover configured to move a magnetic storage medium in perpendicular directions in a plane
JP2007004964A (ja) 高いトラック横断分解能の読み取りヘッドおよび低ビットアスペクト比のディスクを有する磁気記録ディスクドライブ
US7796359B2 (en) Magnetic head for perpendicular magnetic recording and method of manufacturing the same, the magnetic head including pole layer and two shields sandwiching the pole layer
JP2007287190A (ja) 薄膜磁気ヘッド
US6985330B2 (en) High efficiency side-by-side thin film head utilizing canted shield yokes
US7012786B2 (en) Magnetic head
US6545841B1 (en) Strategy for read/write spacing requirement
KR100285433B1 (ko) 열 급변 현상에 의한 읽기 신호 에러 보정용마그네토레지스티브헤드 및 그 방법
US20140362468A1 (en) Magnetic recording head and disk drive with the same
JPH0444610A (ja) 複合型薄膜磁気ヘッドおよびその製造方法

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070417

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070417

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20070417

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090105

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090113

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090707