JP2014123418A - 可変オーバーコートを有する磁気装置およびその方法 - Google Patents
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Abstract
【解決手段】磁気装置は、磁気読取り器と、磁気書込み器と、可変オーバーコートとを含む。可変オーバーコートは、少なくとも磁気読取り器と磁気書込み器との表面に設けられる。可変オーバーコートは、オーバーコート層を含む。オーバーコート層は、実質的に一定の厚さおよび材料を有する。可変オーバーコートはまた、少なくとも1つの異種オーバーコート部分を含む。異種オーバーコート部分は、オーバーコート層と異なる厚さ、または異なる材料、または異なる厚さおよび材料を有する。
【選択図】図4A
Description
本願は、2012年12月21日に出願され、その開示が引用によりこの明細書中に援用される米国仮出願番号61/740514、発明の名称「書込み器および読取り器の表面に可変オーバーコートを有する磁気装置」(ドケット番号430.17293000)に基づく優先権を主張する。
高温のためおよび腐食性の化学作用に触れるため、熱補助磁気記録(HAMR)処理は、極めて腐食性の環境に関わる可能性がある。さらに、小さいヘッド−媒体間隔を用いる設計は、書込みポールのような狭窄的かつ突出している機構により急速な摩耗を受けることになる。過酷な環境およびたとえば近接場トランスデューサ(NFT)および書込みポールなどの一部の比較的繊細な構造体を保護する要望があるため、異なる種類のオーバーコートが必要とされる。
磁気装置は、磁気読取り器と、磁気書込み器と、可変オーバーコートとを含む。可変オーバーコートは、少なくとも磁気読取り器と磁気書込み器との表面に設けられる。可変オーバーコートは、オーバーコート層を含む。オーバーコート層は、ある材料を含み、かつ、実質的に一定の厚さを有する。可変オーバーコートはまた、少なくとも1つの異種オーバーコート部分を含む。異種オーバーコート部分は、オーバーコート層と異なる厚さ、または異なる材料、または異なる厚さおよび材料を有する。
図面は、必ずしも一定の縮尺で描かれてない。図面に使用される同様の番号は同様の構成要素を示す。しかしながら、ある特定の図において構成要素を示すための番号の使用は、別の図において同じ番号が付された構成要素を制限することを意図するものではないことが理解されるであろう。
Claims (20)
- 磁気読取り器と、
磁気書込み器と、
可変オーバーコートとを含み、前記可変オーバーコートは、少なくとも前記磁気読取り器と前記磁気書込み器との表面に設けられ、
前記可変オーバーコートは、
オーバーコート層を含み、前記オーバーコート層は、ある材料を含みかつ実質的に一定の厚さを有し、
少なくとも1つの異種オーバーコート部分を含み、前記異種オーバーコート部分は、前記オーバーコート層と異なる厚さ、または異なる材料、または異なる厚さおよび材料を有する、磁気装置。 - 前記少なくとも1つの異種オーバーコート部分は、前記磁気書込み器の表面に設けられ、前記オーバーコート層より厚い厚さを有する、請求項1に記載の磁気装置。
- 前記異種オーバーコート部分の厚さは、約50Åであって、前記オーバーコート層の厚さは、約25Åである、請求項2に記載の磁気装置。
- 前記少なくとも1つの異種オーバーコート部分は、前記磁気書込み器の表面に設けられ、前記オーバーコート層と異なる材料を含む、請求項1に記載の磁気装置。
- 前記オーバーコート層と前記少なくとも1つの異種オーバーコート部分との両者は、ダイヤモンド状炭素(DLC)を含む、請求項1に記載の磁気装置。
- 前記異種オーバーコート部分は、TaOxをさらに含む、請求項5に記載の磁気装置。
- 前記少なくとも1つの異種オーバーコート部分は、前記磁気読取り器と前記磁気書込み器との両者から離れて設けられる、請求項1に記載の磁気装置。
- 前記少なくとも1つの異種オーバーコート部分は、前記オーバーコート層より厚い、請求項7に記載の磁気装置。
- 少なくとも2つの異種オーバーコート部分があり、その両者は、前記磁気読取り器と前記磁気書込み器との両者から離れて設けられる、請求項7に記載の磁気装置。
- 前記少なくとも1つの異種オーバーコート部分は、前記磁気書込み器を保護するように設計される、請求項1に記載の磁気装置。
- 前記少なくとも2つの異種オーバーコート部分は、前記磁気書込み器のダウントラック方向の両側に設けられる、請求項9に記載の磁気装置。
- 構造体の全面に第1層を堆積させる工程を含み、
前記構造体は、磁気読取り器と磁気書込み器とを備え、前記磁気読取り器と前記磁気書込み器とは、基板上において互いに隣接して設けられ、
少なくとも前記磁気読取り器の表面に設けられた前記第1層の一部を除去する工程と、
前記第1層の全面に第2層を堆積させる工程とを含み、
前記第1層と前記第2層とは、可変オーバーコートを構成し、前記可変オーバーコートは、前記磁気書込み器の表面に設けられた異種オーバーコート領域を有する、方法。 - 前記第1層は、ダイヤモンド状炭素(DLC)を含む、請求項12に記載の方法。
- 前記第1層の前記一部を除去する前に、前記磁気書込み器の表面に保護構造を形成する工程をさらに含む、請求項12に記載の方法。
- 構造体の全面に第1層を堆積させる工程を含み、
前記構造体は、磁気読取り器と磁気書込み器とを備え、前記磁気読取り器と前記磁気書込み器とは、基板上において互いに隣接して設けられ、
露出領域と非露出領域とを形成するため、前記表面の領域をマスキングする工程と、
前記露出領域と前記非露出領域との表面に第2層を堆積させる工程と、
前記非露出領域と、前記非露出領域上の前記第2層とを除去する工程とを含む、方法。 - 前記第1層は、ダイヤモンド状炭素(DLC)を含む、請求項15に記載の方法。
- 前記第2層は、ダイヤモンド状炭素(DLC)を含む、請求項16に記載の方法。
- 露出領域と非露出領域とを形成するため、前記表面の領域をマスキングする前記工程は、フォトリソグラフィ法を用いて行われる、請求項16に記載の方法。
- 前記第2層は、約40Å〜約100Åの厚さを有する、請求項15に記載の方法。
- 前記第2層は、約60Åの厚さを有する、請求項17に記載の方法。
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US201261740514P | 2012-12-21 | 2012-12-21 | |
US61/740,514 | 2012-12-21 | ||
US13/790,022 US9792935B2 (en) | 2012-12-21 | 2013-03-08 | Magnetic devices with variable overcoats |
US13/790,022 | 2013-03-08 |
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US10001104B2 (en) | 2014-12-05 | 2018-06-19 | Denso Corporation | Control apparatus for internal combustion engine |
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US8427925B2 (en) | 2010-02-23 | 2013-04-23 | Seagate Technology Llc | HAMR NFT materials with improved thermal stability |
US20140376351A1 (en) | 2013-06-24 | 2014-12-25 | Seagate Technology Llc | Materials for near field transducers and near field transducers containing same |
US9245573B2 (en) | 2013-06-24 | 2016-01-26 | Seagate Technology Llc | Methods of forming materials for at least a portion of a NFT and NFTs formed using the same |
US9025281B2 (en) * | 2013-08-22 | 2015-05-05 | Seagate Technology Llc | Magnetic device including a near field transducer |
US9697856B2 (en) | 2013-12-06 | 2017-07-04 | Seagate Techology LLC | Methods of forming near field transducers and near field transducers formed thereby |
US9570098B2 (en) | 2013-12-06 | 2017-02-14 | Seagate Technology 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 |
WO2016077197A1 (en) | 2014-11-12 | 2016-05-19 | Seagate Technology Llc | Devices including a near field transducer (nft) with nanoparticles |
US9633677B2 (en) | 2015-06-16 | 2017-04-25 | Western Digital Technologies, Inc. | Near field transducer having an adhesion layer coupled thereto |
US9460738B1 (en) | 2015-07-13 | 2016-10-04 | HGST Netherlands B.V. | Method to coat NFT area with highly thermal conducting material in HAMR structure |
US9659587B1 (en) | 2015-11-06 | 2017-05-23 | Western Digital (Fremont), Llc | Magnetic head having a reader overcoat with DLC and a recessed writer overcoat without DLC |
US10074388B2 (en) * | 2017-01-05 | 2018-09-11 | International Business Machines Corporation | In-situ protective film |
US10373632B2 (en) * | 2017-02-15 | 2019-08-06 | Seagate Technology Llc | Heat-assisted removal of head contamination |
US10529364B2 (en) | 2017-02-15 | 2020-01-07 | Seagate Technology Llc | Heat-assisted removal of head contamination |
US10984830B2 (en) | 2017-02-24 | 2021-04-20 | The National University Of Singapore | Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media |
JP2020047327A (ja) | 2018-09-18 | 2020-03-26 | 株式会社東芝 | 磁気記録再生装置 |
US11114122B1 (en) | 2019-03-06 | 2021-09-07 | Seagate Technology Llc | Magnetic devices with overcoat that includes a titanium oxynitride layer |
US10818317B1 (en) | 2019-07-02 | 2020-10-27 | Seagate Technology Llc | Multi-actuator data storage system |
US10748561B1 (en) | 2019-12-04 | 2020-08-18 | Western Digital Technologies, Inc. | Magnetic recording disk drive with a contact pad for protection of the write head and process for making the pad |
US11094339B1 (en) | 2020-04-13 | 2021-08-17 | Seagate Technology Llc | Methods of manufacturing one or more sliders that includes a second lapping process after patterning, and related sliders |
US11222655B1 (en) | 2020-10-15 | 2022-01-11 | Seagate Technology Llc | Recording head with writer HMS less than reader HMS |
US11475912B1 (en) | 2021-06-11 | 2022-10-18 | Seagate Technology Llc | Synchronous writing of patterned media |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5774303A (en) * | 1995-03-24 | 1998-06-30 | Stormedia, Inc. | Sputter induced micro-texturing enhancement for magnetic head structures |
US5986851A (en) * | 1997-08-15 | 1999-11-16 | Seagate Technology, Inc. | Selective carbon overcoat of the trailing edge of MR sliders |
US6433965B1 (en) * | 2000-03-02 | 2002-08-13 | Read-Rite Corporation | Laminated carbon-containing overcoats for information storage system transducers |
JP2007149158A (ja) * | 2005-11-24 | 2007-06-14 | Shinka Jitsugyo Kk | スライダおよびスライダの製造方法 |
JP2008234828A (ja) * | 2007-03-21 | 2008-10-02 | Shinka Jitsugyo Kk | 磁気記録再生ヘッド、磁気記録ディスク、およびそれらの製造方法 |
US20100265618A1 (en) * | 2009-04-15 | 2010-10-21 | Zine-Eddine Boutaghou | Method and Apparatus for Reducing Head Media Spacing in a Disk Drive |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100276752B1 (ko) | 1994-12-19 | 2001-01-15 | 윌리암 엘. 허드슨 | 디스크 드라이브용 헤드 및 그 제조 방법 |
JPH08180352A (ja) | 1994-12-22 | 1996-07-12 | Nec Corp | 磁気ヘッドスライダとその製造方法 |
KR0170949B1 (ko) | 1995-09-30 | 1999-03-30 | 배순훈 | 메탈층 형성 방법 |
DK1704878T3 (da) * | 1995-12-18 | 2013-07-01 | Angiodevice Internat Gmbh | Tværbundne polymerpræparater og fremgangsmåder til deres anvendelse |
US5768055A (en) | 1996-09-19 | 1998-06-16 | Sae Magnetics (H.K.) Ltd. | Magnetic recording head having a carbon overcoat array on slider air bearings surfaces |
US6359754B1 (en) | 1998-07-21 | 2002-03-19 | Seagate Technology Llc | Increased mechanical spacing through localized continuous carbon overcoat |
US20030198146A1 (en) | 2002-04-18 | 2003-10-23 | Seagate Technology Llc | Heat assisted magnetic recording head with multilayer electromagnetic radiation emission structure |
JP4093250B2 (ja) * | 2004-06-04 | 2008-06-04 | Tdk株式会社 | オーバーコート積層体内に発熱体を備えた薄膜磁気ヘッド、該薄膜磁気ヘッドを備えたヘッドジンバルアセンブリ及び該ヘッドジンバルアセンブリを備えた磁気ディスク装置 |
TWM264770U (en) * | 2004-09-07 | 2005-05-11 | Hau-Min Gu | Personal portable cellular phone with sensing function |
US7495856B2 (en) * | 2004-10-29 | 2009-02-24 | Hitachi Global Storage Technologies Netherlands B.V. | Disk drive slider design for thermal fly-height control and burnishing-on-demand |
US7898765B2 (en) * | 2008-01-17 | 2011-03-01 | Tdk Corporation | Thin-film magnetic head with grooves on medium-opposed surface and manufacturing method of the head |
US8712678B2 (en) * | 2008-03-28 | 2014-04-29 | Honda Motor Co., Ltd. | Method of measuring a displacement amount for an automobile suspension assembly |
US20090268335A1 (en) * | 2008-04-25 | 2009-10-29 | Fu-Ying Huang | Neutralizing flying height sensitivity of thermal pole-tip protrusion of magnetic slider |
JP2010034937A (ja) * | 2008-07-30 | 2010-02-12 | Sony Corp | 無線通信装置及び無線通信方法、並びにコンピューター・プログラム |
US7898909B2 (en) * | 2009-02-12 | 2011-03-01 | Tdk Corporation | Thermal-assisted magnetic recording head having substrate and light reflection section |
CN101887730B (zh) | 2009-05-15 | 2014-04-30 | 新科实业有限公司 | 磁头滑块的制造方法 |
US8164760B2 (en) * | 2010-03-11 | 2012-04-24 | Western Digital (Fremont), Llc | Method and system for interrogating the thickness of a carbon layer |
WO2012033465A1 (en) * | 2010-09-07 | 2012-03-15 | National University Of Singapore | A surface treatment method to develope a durable wear resistant overcoat for magnetic recording systems |
CN104008756A (zh) * | 2013-02-22 | 2014-08-27 | 新科实业有限公司 | 写部分、热辅助磁头滑动块、磁头折片组合及制造方法 |
-
2013
- 2013-03-08 US US13/790,022 patent/US9792935B2/en active Active
- 2013-12-17 JP JP2013259994A patent/JP2014123418A/ja active Pending
- 2013-12-20 EP EP13198743.0A patent/EP2747082B1/en not_active Not-in-force
- 2013-12-20 CN CN201310713699.1A patent/CN103886874B/zh active Active
-
2017
- 2017-10-13 US US15/783,178 patent/US20180040341A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5774303A (en) * | 1995-03-24 | 1998-06-30 | Stormedia, Inc. | Sputter induced micro-texturing enhancement for magnetic head structures |
US5986851A (en) * | 1997-08-15 | 1999-11-16 | Seagate Technology, Inc. | Selective carbon overcoat of the trailing edge of MR sliders |
US6433965B1 (en) * | 2000-03-02 | 2002-08-13 | Read-Rite Corporation | Laminated carbon-containing overcoats for information storage system transducers |
JP2007149158A (ja) * | 2005-11-24 | 2007-06-14 | Shinka Jitsugyo Kk | スライダおよびスライダの製造方法 |
JP2008234828A (ja) * | 2007-03-21 | 2008-10-02 | Shinka Jitsugyo Kk | 磁気記録再生ヘッド、磁気記録ディスク、およびそれらの製造方法 |
US20100265618A1 (en) * | 2009-04-15 | 2010-10-21 | Zine-Eddine Boutaghou | Method and Apparatus for Reducing Head Media Spacing in a Disk Drive |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10001104B2 (en) | 2014-12-05 | 2018-06-19 | Denso Corporation | Control apparatus for internal combustion engine |
Also Published As
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EP2747082A2 (en) | 2014-06-25 |
US20140177405A1 (en) | 2014-06-26 |
CN103886874A (zh) | 2014-06-25 |
CN103886874B (zh) | 2018-07-27 |
EP2747082B1 (en) | 2017-10-11 |
US9792935B2 (en) | 2017-10-17 |
EP2747082A3 (en) | 2014-12-03 |
US20180040341A1 (en) | 2018-02-08 |
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