JP2014175046A - 非磁性シード層の装置および方法 - Google Patents
非磁性シード層の装置および方法 Download PDFInfo
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- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/23—Gap features
- G11B5/235—Selection of material for gap filler
-
- 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/23—Gap features
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/23—Gap features
- G11B5/232—Manufacture of gap
-
- 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
- G11B5/313—Disposition of layers
- G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding
-
- 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
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
-
- 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/332—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using thin films
-
- 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
- G11B5/48—Disposition 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
- G11B5/58—Disposition 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
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
- G11B5/6082—Design of the air bearing surface
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/115—Magnetic layer composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/1193—Magnetic recording head with interlaminar component [e.g., adhesion layer, etc.]
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Heads (AREA)
Abstract
【解決手段】一実施例によれば、磁性材料の主極層と、磁性材料の第2層と、磁性材料の主極層と第2層との間に配置された非磁性材料の第1ギャップ層と、磁性材料の主極層と第2層との間に配置された非磁性材料の第2ギャップ層とを含み、非磁性材料の第2ギャップ層は、磁性材料の第2層に直接隣接して配置されている、装置が構成可能である。一実施例によれば、これによりギャップは、磁性材料の第2層用の非磁性シードとして機能できる。一実施例によれば、そのような装置を製造する方法も利用可能である。
【選択図】図1
Description
ディスクドライブ業界で使用される磁気記録ヘッドなどの磁気素子を形成するために、処理ステップが使用されることがしばしばある。磁気素子の性能は、他の磁気素子に対する配向および分離によって影響され得る。磁気素子は互いにより接近して配置されているため、このことは特に真実であり得る。
この概要は、以下の詳細な説明でさらに説明される選ばれた概念を簡略化された形で紹介するために提供される。この概要は、請求される主題の主要な特徴または本質的特徴を識別するよう意図されてはおらず、また、請求される主題の範囲を限定するために使用されるよう意図されてもいない。請求される主題の他の特徴、詳細、実用性、および利点は、以下のさまざまな実現化例、ならびに添付図面にさらに例示され、添付された請求項で定義されるような実現化例のより特定的に記載された詳細な説明から、明らかとなるであろう。
本技術の本質および利点のさらなる理解は、明細書の残りの部分で説明される図面を参照することによって実現され得る。
本技術の実施例を、ディスクドライブシステムの文脈においてここに開示する。しかしながら、本技術はディスクドライブシステムに限定されておらず、他の技術システムにも容易に適用され得るということが理解されるべきである。
Claims (20)
- 磁性材料の主極層と、
磁性材料の第2層と、
磁性材料の主極層と第2層との間に配置された非磁性材料の第1ギャップ層と、
磁性材料の主極層と第2層との間に配置された非磁性材料の第2ギャップ層とを含み、
非磁性材料の第2ギャップ層は、磁性材料の第2層に直接隣接して配置されている、装置。 - 非磁性材料の第2ギャップ層はルテニウムを含む、請求項1に記載の装置。
- 非磁性材料の第1層はAl2O3を含み、非磁性材料の第2ギャップ層はルテニウムを含む、請求項1に記載の装置。
- 書込ギャップの第1の側の磁気モーメントと書込ギャップの第2の側の磁気モーメントとは実質的に同等である、請求項1に記載の装置。
- 磁性材料の第2層は、前方シールドを形成する、請求項1に記載の装置。
- 非磁性材料の第1ギャップ層はルテニウムを含む、請求項1に記載の装置。
- 非磁性材料の第1ギャップ層は、磁性材料の主極層に隣接して配置され、
非磁性材料の第2ギャップ層は、非磁性材料の第1層の上に配置され、
装置はさらに、
非磁性材料の第2ギャップ層と磁性材料の第2層との間に直接配置された非磁性材料の第3ギャップ層を含む、請求項1に記載の装置。 - 非磁性材料の第1ギャップ層は、磁性材料の主極層に直接隣接して配置されたルテニウムを含み、
非磁性材料の第2ギャップ層は、磁性材料の第2層に直接隣接して配置されたルテニウムを含み、
装置はさらに、
非磁性材料の第1ギャップ層と非磁性材料の第2ギャップ層との間に直接配置されたAl2O3の層を含む、請求項1に記載の装置。 - 非磁性材料の第2ギャップ層は、磁性材料の第2層用のシード層として機能する、請求項1に記載の装置。
- 磁性材料の第2層はFeCoを含む、請求項1に記載の装置。
- 磁性材料の主極層を堆積させるステップと、
非磁性材料の第1ギャップ層を堆積させるステップと、
非磁性材料の第2ギャップ層を堆積させるステップと、
非磁性材料の第2ギャップ層が磁性材料の主極層と磁性材料の第2層との間に配置されるように、磁性材料の第2層を、非磁性材料の第2ギャップ層に直接隣接して堆積させるステップとを含む、方法。 - 非磁性材料の第2ギャップ層はルテニウムを含む、請求項11に記載の方法。
- 非磁性材料の第1ギャップ層はAl2O3の層を含み、非磁性材料の第2ギャップ層はルテニウムを含む、請求項11に記載の方法。
- 書込ギャップの第1の側の第1の磁気モーメントと書込ギャップの第2の側の第2の磁気モーメントとを形成するステップをさらに含み、第1の磁気モーメントと第2の磁気モーメントとは実質的に同等である、請求項11に記載の方法。
- 磁性材料の第2層から前方シールドを形成するステップをさらに含む、請求項11に記載の方法。
- 非磁性材料の第1ギャップ層はルテニウムを含む、請求項11に記載の方法。
- 非磁性材料の第1ギャップ層は、磁性材料の主極層に隣接して配置され、
非磁性材料の第2ギャップ層は、非磁性材料の第1ギャップ層に隣接して配置され、
方法はさらに、
非磁性材料の第2ギャップ層と磁性材料の第2層との間に直接配置された非磁性材料の第3ギャップ層を堆積させるステップを含む、請求項11に記載の方法。 - 非磁性材料の第1ギャップ層を堆積させるステップは、磁性材料の主極層に隣接して配置されたルテニウムの第1ギャップ層を堆積させるステップを含み、
非磁性材料の第2ギャップ層を堆積させるステップは、ルテニウムの第1層の上に配置されたAl2O3の層を堆積させるステップを含み、
方法はさらに、
Al2O3の層と磁性材料の第2層との間に直接配置されたルテニウムの第2層を堆積させるステップを含む、請求項11に記載の方法。 - 非磁性材料の第2ギャップ層を、磁性材料の第2層用のシード層として利用するステップをさらに含む、請求項11に記載の方法。
- FeCoを磁性材料の第2層として利用するステップをさらに含む、請求項11に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US13/797,165 | 2013-03-12 | ||
US13/797,165 US9147407B2 (en) | 2013-03-12 | 2013-03-12 | Write head having non-magnetic write gap seed layer, and method |
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JP2014175046A true JP2014175046A (ja) | 2014-09-22 |
JP2014175046A5 JP2014175046A5 (ja) | 2016-01-07 |
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US (2) | US9147407B2 (ja) |
EP (1) | EP2779163A3 (ja) |
JP (1) | JP2014175046A (ja) |
KR (1) | KR101605461B1 (ja) |
CN (1) | CN104050977B (ja) |
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US9899042B1 (en) | 2016-02-08 | 2018-02-20 | Seagate Technology Llc | Data writer with laminated front shield |
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2014
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- 2014-03-11 JP JP2014047481A patent/JP2014175046A/ja active Pending
- 2014-03-11 CN CN201410088312.2A patent/CN104050977B/zh active Active
- 2014-03-12 EP EP14159147.9A patent/EP2779163A3/en not_active Withdrawn
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2015
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Also Published As
Publication number | Publication date |
---|---|
US20150371668A1 (en) | 2015-12-24 |
KR101605461B1 (ko) | 2016-04-01 |
EP2779163A2 (en) | 2014-09-17 |
CN104050977B (zh) | 2018-06-08 |
US20140272471A1 (en) | 2014-09-18 |
US9147407B2 (en) | 2015-09-29 |
EP2779163A3 (en) | 2015-03-25 |
US9761252B2 (en) | 2017-09-12 |
CN104050977A (zh) | 2014-09-17 |
KR20140111978A (ko) | 2014-09-22 |
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