JP2012053940A5 - - Google Patents

Download PDF

Info

Publication number
JP2012053940A5
JP2012053940A5 JP2010194447A JP2010194447A JP2012053940A5 JP 2012053940 A5 JP2012053940 A5 JP 2012053940A5 JP 2010194447 A JP2010194447 A JP 2010194447A JP 2010194447 A JP2010194447 A JP 2010194447A JP 2012053940 A5 JP2012053940 A5 JP 2012053940A5
Authority
JP
Japan
Prior art keywords
magnetic tape
magnetic
servo
signal
written
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.)
Granted
Application number
JP2010194447A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012053940A (ja
JP5658512B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2010194447A priority Critical patent/JP5658512B2/ja
Priority claimed from JP2010194447A external-priority patent/JP5658512B2/ja
Priority to US13/220,793 priority patent/US8670203B2/en
Publication of JP2012053940A publication Critical patent/JP2012053940A/ja
Publication of JP2012053940A5 publication Critical patent/JP2012053940A5/ja
Application granted granted Critical
Publication of JP5658512B2 publication Critical patent/JP5658512B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2010194447A 2010-08-31 2010-08-31 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ Active JP5658512B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010194447A JP5658512B2 (ja) 2010-08-31 2010-08-31 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ
US13/220,793 US8670203B2 (en) 2010-08-31 2011-08-30 Method for manufacturing magnetic tape with servo signal written therein, magnetic tape with servo signal written therein, and servo writer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010194447A JP5658512B2 (ja) 2010-08-31 2010-08-31 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2014186147A Division JP5886920B2 (ja) 2014-09-12 2014-09-12 サーボ信号が書き込まれた磁気テープの製造方法、サーボ信号が書き込まれた磁気テープおよびサーボライタ

Publications (3)

Publication Number Publication Date
JP2012053940A JP2012053940A (ja) 2012-03-15
JP2012053940A5 true JP2012053940A5 (enExample) 2013-04-11
JP5658512B2 JP5658512B2 (ja) 2015-01-28

Family

ID=45696964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010194447A Active JP5658512B2 (ja) 2010-08-31 2010-08-31 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ

Country Status (2)

Country Link
US (1) US8670203B2 (enExample)
JP (1) JP5658512B2 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5658512B2 (ja) * 2010-08-31 2015-01-28 富士フイルム株式会社 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ
US20150049401A1 (en) * 2010-12-09 2015-02-19 Matthew P. Dugas Perpendicular timing-based servo heads
US8767342B2 (en) 2011-06-13 2014-07-01 Imation Corp. Erasure and servowriting of magnetic storage media having perpendicular anistropy
US8817415B2 (en) 2011-06-13 2014-08-26 Imation Corp. Erasure of magnetic storage media having perpendicular anisotropy
US8804276B2 (en) * 2011-06-13 2014-08-12 Imation Corp. Continuous biasing and servowriting of magnetic storage media having perpendicular anisotropy
US8797674B2 (en) 2011-06-13 2014-08-05 Imation Corp. Servo mark length matched to write head gap for magnetic storage media
US8867157B2 (en) 2012-04-04 2014-10-21 Imation Corp. Perpendicular pole head for servo writing magnetic media
US8797681B2 (en) 2012-04-26 2014-08-05 Imation Corp. Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar
US8643968B2 (en) 2012-04-26 2014-02-04 Imation Corp. Methods and systems for magnetic media servo writing
US8760802B2 (en) 2012-04-26 2014-06-24 Imation Corp. Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer
US8867167B2 (en) 2012-04-26 2014-10-21 Imation Corp. Tapered pole heads for magnetic media
JP6465182B2 (ja) * 2013-03-15 2019-02-06 ソニー株式会社 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法
JP7074129B2 (ja) * 2017-04-07 2022-05-24 ソニーグループ株式会社 磁気記録媒体
CN109516716A (zh) * 2018-12-03 2019-03-26 苏州市兴邦化学建材有限公司 一种改善水泥基自流平砂浆表面状态的消泡剂及生产方法
CN113508431B (zh) 2019-03-13 2022-09-30 富士胶片株式会社 记录装置、读取装置、记录方法、记录程序、读取方法、读取程序及磁带
EP3940700A4 (en) 2019-03-13 2022-10-05 FUJIFILM Corporation RECORDING DEVICE, READING DEVICE, RECORDING METHOD, RECORDING PROGRAM, READING METHOD, READING PROGRAM AND MAGNETIC TAPE
JP6972060B2 (ja) 2019-03-25 2021-11-24 富士フイルム株式会社 記録再生装置及び記録再生方法
JP7160761B2 (ja) 2019-05-31 2022-10-25 フォスター電機株式会社 車載用ウーファー装置
JP7278910B2 (ja) 2019-09-04 2023-05-22 富士フイルム株式会社 記録再生装置及び記録再生方法
JP7159139B2 (ja) 2019-09-26 2022-10-24 富士フイルム株式会社 記録再生装置、記録再生方法、及び磁気テープカートリッジ
WO2021095720A1 (ja) * 2019-11-12 2021-05-20 ソニー株式会社 サーボライタおよびカートリッジ

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149204A (en) * 1977-03-28 1979-04-10 International Business Machines Corporation Minor bit reduction on a magnetic head
US4701815A (en) * 1985-03-11 1987-10-20 Sony Corporation Tracking servo system for disc memory
GB2179192B (en) * 1985-07-16 1989-08-09 Victor Company Of Japan Control pulse recording circuit for magnetic recording and reproducing apparatus
US5689384A (en) * 1994-06-30 1997-11-18 International Business Machines Corporation Timing based servo system for magnetic tape systems
US6236537B1 (en) * 1997-10-28 2001-05-22 Hewlett-Packard Co. Wear resistant magnetic write head
US6031673A (en) * 1998-03-04 2000-02-29 Hewlett-Packard Company Servo band verification in linear tape systems having timing-based servo formats
US6542325B1 (en) * 1999-03-10 2003-04-01 Imation Corp. Time-based servo for magnetic storage media
US6278571B1 (en) * 1999-05-19 2001-08-21 International Business Machines Corporation Adaptive servo gap detection for timing based servo
US6762900B2 (en) * 2001-07-17 2004-07-13 International Business Machines Corporation Method and apparatus for performing position error signal conditioning of LTO media servo format written-in velocity variation
US6879457B2 (en) * 2002-02-13 2005-04-12 International Business Machines Corporation Timing based servo with fixed distances between transitions
JP2003296911A (ja) * 2002-03-29 2003-10-17 Toshiba Corp 磁気記録媒体およびこれを用いた磁気記録再生装置
US6970312B2 (en) * 2002-12-23 2005-11-29 Imation Corp. Full amplitude time-based servopositioning signals
JP4157412B2 (ja) * 2003-04-15 2008-10-01 富士フイルム株式会社 磁気テープおよびその製造方法、サーボライタ、ならびにサーボバンドの識別方法および装置
JP2004318977A (ja) * 2003-04-15 2004-11-11 Fuji Photo Film Co Ltd 磁気テープ及びその製造方法、並びにサーボライタ
US6791774B1 (en) * 2003-05-12 2004-09-14 Hitachi Global Storage Technologies Netherlands B.V. Contact magnetic transfer of servo pattern to rigid perpendicular magnetic recording disk
JP2005025820A (ja) 2003-06-30 2005-01-27 Fuji Photo Film Co Ltd 磁気記録媒体
JP2005063623A (ja) * 2003-08-20 2005-03-10 Fuji Photo Film Co Ltd サーボライタおよびサーボライト方法
JP2005085390A (ja) * 2003-09-09 2005-03-31 Fuji Photo Film Co Ltd 複合型磁気ヘッド及びその製造方法
JP2005085361A (ja) * 2003-09-09 2005-03-31 Fuji Photo Film Co Ltd サーボライタ
JP2005196915A (ja) * 2004-01-09 2005-07-21 Fuji Photo Film Co Ltd 磁気テープ搬送装置
US7283317B2 (en) * 2004-01-30 2007-10-16 Advanced Research Corporation Apparatuses and methods for pre-erasing during manufacture of magnetic tape
US7199957B2 (en) * 2004-03-30 2007-04-03 Imation Corp. Write head alignment for full amplitude time-based servo
JP2007220179A (ja) * 2006-02-15 2007-08-30 Fujifilm Corp Ｄｃ消磁ヘッド、ｄｃ消磁装置およびｄｃ消磁方法
US7885032B1 (en) * 2006-03-06 2011-02-08 Seagate Technology Llc Apparatus and method for bulk erasure of disk drives
JP4137987B1 (ja) * 2007-01-25 2008-08-20 日立マクセル株式会社 サーボ信号記録装置、サーボ信号記録方法、および磁気テープ
US7551380B2 (en) 2007-09-26 2009-06-23 Sun Microsystems, Inc. Method for writing a servo pattern in tape
JP4854040B2 (ja) * 2008-07-23 2012-01-11 東芝ストレージデバイス株式会社 磁気ディスク装置、および磁気ディスクのアクセス制御方法
US7960044B2 (en) * 2009-03-27 2011-06-14 Hitachi Global Storage Technologies Netherlands B.V. Patterned-media perpendicular magnetic recording disk with servo regions having magnetized servo pillars and oppositely-magnetized servo trenches
JP5587103B2 (ja) * 2010-08-31 2014-09-10 富士フイルム株式会社 磁気ヘッドのトラッキング制御方法、サーボ信号検査方法、磁気テープドライブおよびサーボライタ
JP5658512B2 (ja) * 2010-08-31 2015-01-28 富士フイルム株式会社 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ

Similar Documents

Publication Publication Date Title
JP2012053940A5 (enExample)
JP5658512B2 (ja) サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ
US9001455B2 (en) Magnetic recording medium, servo signal recording apparatus and method of producing magnetic recording medium
JP2012053941A5 (enExample)
US20120194941A1 (en) Writing timing-based servo patterns in perpendicular and non-oriented magnetic media
JP7452564B2 (ja) 磁気テープ、サーボ信号記録装置及び磁気テープの製造方法
CN103400586B (zh) 一种磁存储介质数据销毁效果检测方法
US3013123A (en) Electromagnetic playback system
JP3344651B2 (ja) マスター情報担体を用いた磁気記録媒体の製造方法
US3961374A (en) Static magnetic erasing head
JP2008204627A (ja) サーボ信号記録装置、サーボ信号記録方法、および磁気テープ
US3947891A (en) Static magnetic erasing head
JP5886920B2 (ja) サーボ信号が書き込まれた磁気テープの製造方法、サーボ信号が書き込まれた磁気テープおよびサーボライタ
US7468852B2 (en) Method of demagnetizing magnetic recording medium and apparatus for carrying out same
JPS5839545Y2 (ja) 消去用磁気ヘツド
Iizuka et al. Influence of head fields and media properties on transitions of magnetization reversals on thin film disk
US20090316297A1 (en) Servo master and magnetic transfer method using the same
Kobayashi et al. Unrecorded Areas on Tracks Recorded by Laminated Heads
JPS62270016A (ja) 磁気記憶装置
JPS61258322A (ja) 磁気抵抗効果ヘツド
JP2007164861A (ja) 磁気ヘッド
JPS59169187A (ja) 磁気抵抗効果素子の製造方法
JPH087234A (ja) 磁気抵抗素子
JPS6367250B2 (enExample)
JPH08227507A (ja) 薄膜磁気ヘッド及びその製造方法