JP2010123151A5 - - Google Patents

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Publication number
JP2010123151A5
JP2010123151A5 JP2008293010A JP2008293010A JP2010123151A5 JP 2010123151 A5 JP2010123151 A5 JP 2010123151A5 JP 2008293010 A JP2008293010 A JP 2008293010A JP 2008293010 A JP2008293010 A JP 2008293010A JP 2010123151 A5 JP2010123151 A5 JP 2010123151A5
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JP
Japan
Prior art keywords
servo
count value
spiral
recording medium
clock
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
JP2008293010A
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English (en)
Japanese (ja)
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JP2010123151A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2008293010A priority Critical patent/JP2010123151A/ja
Priority claimed from JP2008293010A external-priority patent/JP2010123151A/ja
Priority to US12/568,147 priority patent/US20100123968A1/en
Publication of JP2010123151A publication Critical patent/JP2010123151A/ja
Publication of JP2010123151A5 publication Critical patent/JP2010123151A5/ja
Pending legal-status Critical Current

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JP2008293010A 2008-11-17 2008-11-17 電磁変換素子の位置決め方法 Pending JP2010123151A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008293010A JP2010123151A (ja) 2008-11-17 2008-11-17 電磁変換素子の位置決め方法
US12/568,147 US20100123968A1 (en) 2008-11-17 2009-09-28 Method of positioning electromagnetic conversion element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008293010A JP2010123151A (ja) 2008-11-17 2008-11-17 電磁変換素子の位置決め方法

Publications (2)

Publication Number Publication Date
JP2010123151A JP2010123151A (ja) 2010-06-03
JP2010123151A5 true JP2010123151A5 (enExample) 2010-10-28

Family

ID=42171846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008293010A Pending JP2010123151A (ja) 2008-11-17 2008-11-17 電磁変換素子の位置決め方法

Country Status (2)

Country Link
US (1) US20100123968A1 (enExample)
JP (1) JP2010123151A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8861116B2 (en) 2011-08-02 2014-10-14 HGST Netherlands B.V. Track pitch variation measurement method using spiral DC pattern writing
US9286931B2 (en) 2013-06-24 2016-03-15 Seagate Technology Llc Materials for near field transducers and near field transducers containing same
US9697856B2 (en) 2013-12-06 2017-07-04 Seagate Techology LLC Methods of forming near field transducers and near field transducers formed thereby
US9822444B2 (en) 2014-11-11 2017-11-21 Seagate Technology Llc Near-field transducer having secondary atom higher concentration at bottom of the peg
JP7080844B2 (ja) * 2019-03-19 2022-06-06 株式会社東芝 磁気ディスク装置、及びサーボ復調位置の復調方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6507450B1 (en) * 1999-06-11 2003-01-14 Western Digital Technologies, Inc. Method of continuously recording servo bursts along one continuous, single helix spiral
US7167333B1 (en) * 2000-05-09 2007-01-23 Maxtor Corporation Method and apparatus for writing and reading servo information written in a spiral fashion
US7139144B1 (en) * 2000-08-04 2006-11-21 Maxtor Corporation Method and apparatus for writing spiral servo information by modifying existing servo track writing equipment
US7088533B1 (en) * 2002-04-23 2006-08-08 Maxtor Corporation Method of self-servo writing in a disk drive using a spiral pattern
US7002761B1 (en) * 2003-03-27 2006-02-21 Marvell International Ltd. Demodulation compensation for spiral servo tracks in hard disk drives
US7307807B1 (en) * 2003-09-23 2007-12-11 Marvell International Ltd. Disk servo pattern writing
US6943978B1 (en) * 2004-01-31 2005-09-13 Western Digital Technologies, Inc. Servo writing a disk drive by synchronizing a servo write clock to a high frequency signal in a spiral track
US6965489B1 (en) * 2004-01-31 2005-11-15 Western Digital Technologies, Inc. Using an external spiral servo writer to write reference servo sectors and spiral tracks to a disk to facilitate writing product servo sectors to the disk
JP4818098B2 (ja) * 2006-12-26 2011-11-16 株式会社東芝 ディスク記憶装置及びサーボ書込み方法

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