CN104464759A - Abs远侧的变化数据写入器侧屏蔽间隙 - Google Patents
Abs远侧的变化数据写入器侧屏蔽间隙 Download PDFInfo
- Publication number
- CN104464759A CN104464759A CN201410459021.XA CN201410459021A CN104464759A CN 104464759 A CN104464759 A CN 104464759A CN 201410459021 A CN201410459021 A CN 201410459021A CN 104464759 A CN104464759 A CN 104464759A
- Authority
- CN
- China
- Prior art keywords
- abs
- write pole
- shielding part
- magnetic
- sublayer
- 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
Links
- 230000007704 transition Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000013500 data storage Methods 0.000 description 35
- 230000004907 flux Effects 0.000 description 24
- 239000000463 material Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002463 transducing effect Effects 0.000 description 3
- 235000016838 Pomo dAdamo Nutrition 0.000 description 2
- 244000003138 Pomo dAdamo Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| CN104464759A true CN104464759A (zh) | 2015-03-25 |
Family
ID=52690723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410459021.XA Pending CN104464759A (zh) | 2013-09-25 | 2014-09-10 | Abs远侧的变化数据写入器侧屏蔽间隙 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9437220B2 (enExample) |
| JP (1) | JP6114243B2 (enExample) |
| KR (1) | KR20150034088A (enExample) |
| CN (1) | CN104464759A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113168845A (zh) * | 2019-09-09 | 2021-07-23 | 西部数据技术公司 | 使用虚拟侧屏蔽件以改善面密度能力的磁记录装置 |
| CN114974315A (zh) * | 2021-02-18 | 2022-08-30 | 西部数据技术公司 | 具有层合膜屏蔽件的磁记录头和具有头的相关磁记录装置 |
Families Citing this family (8)
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110002063A1 (en) * | 2009-07-03 | 2011-01-06 | Yohji Maruyama | Perpendicular magnetic recording head and magnetic recording device suitable for high-density magnetic recording |
| US20110147222A1 (en) * | 2009-12-17 | 2011-06-23 | Aron Pentek | Method for manufacturing a perpendicular magnetic write head having a tapered write pole and a stepped wrap around side shield gap |
| CN102467912A (zh) * | 2010-10-29 | 2012-05-23 | 希捷科技有限公司 | 具有酒杯状腔体的屏蔽物 |
| CN102723083A (zh) * | 2011-03-28 | 2012-10-10 | 希捷科技有限公司 | 具有改良的侧面屏蔽件的写入头 |
| US20130242431A1 (en) * | 2012-03-13 | 2013-09-19 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording head with non-conformal side shield gap |
Family Cites Families (10)
| 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 |
| 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 |
| US8295008B1 (en) | 2011-07-22 | 2012-10-23 | Headway Technologies, Inc. | Magnetic head for perpendicular magnetic recording having a main pole and a shield |
-
2013
- 2013-09-25 US US14/036,698 patent/US9437220B2/en active Active
-
2014
- 2014-08-27 KR KR20140112369A patent/KR20150034088A/ko not_active Ceased
- 2014-09-03 JP JP2014178977A patent/JP6114243B2/ja active Active
- 2014-09-10 CN CN201410459021.XA patent/CN104464759A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110002063A1 (en) * | 2009-07-03 | 2011-01-06 | Yohji Maruyama | Perpendicular magnetic recording head and magnetic recording device suitable for high-density magnetic recording |
| US20110147222A1 (en) * | 2009-12-17 | 2011-06-23 | Aron Pentek | Method for manufacturing a perpendicular magnetic write head having a tapered write pole and a stepped wrap around side shield gap |
| CN102467912A (zh) * | 2010-10-29 | 2012-05-23 | 希捷科技有限公司 | 具有酒杯状腔体的屏蔽物 |
| CN102723083A (zh) * | 2011-03-28 | 2012-10-10 | 希捷科技有限公司 | 具有改良的侧面屏蔽件的写入头 |
| US20130242431A1 (en) * | 2012-03-13 | 2013-09-19 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording head with non-conformal side shield gap |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113168845A (zh) * | 2019-09-09 | 2021-07-23 | 西部数据技术公司 | 使用虚拟侧屏蔽件以改善面密度能力的磁记录装置 |
| US11749299B2 (en) | 2019-09-09 | 2023-09-05 | Western Digital Technologies, Inc. | Magnetic recording devices using virtual side shields for improved areal density capability |
| US11854581B2 (en) | 2019-09-09 | 2023-12-26 | Western Digital Technologies, Inc. | Magnetic recording devices using virtual side shields for improved areal density capability |
| CN114974315A (zh) * | 2021-02-18 | 2022-08-30 | 西部数据技术公司 | 具有层合膜屏蔽件的磁记录头和具有头的相关磁记录装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015064923A (ja) | 2015-04-09 |
| JP6114243B2 (ja) | 2017-04-12 |
| US9437220B2 (en) | 2016-09-06 |
| KR20150034088A (ko) | 2015-04-02 |
| US20150085402A1 (en) | 2015-03-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |
|
| WD01 | Invention patent application deemed withdrawn after publication |