JP2015537326A - 中間層を含む物品および形成する方法 - Google Patents
中間層を含む物品および形成する方法 Download PDFInfo
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- JP2015537326A JP2015537326A JP2015537683A JP2015537683A JP2015537326A JP 2015537326 A JP2015537326 A JP 2015537326A JP 2015537683 A JP2015537683 A JP 2015537683A JP 2015537683 A JP2015537683 A JP 2015537683A JP 2015537326 A JP2015537326 A JP 2015537326A
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
- H01F10/30—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the intermediate layers, e.g. seed, buffer, template, diffusion preventing, cap 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- 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
- G11B5/31—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
- G11B5/3169—Working or finishing the interfacing surface of heads, e.g. lapping of heads
-
- 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.]
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/261—In terms of molecular thickness or light wave length
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Abstract
Description
様々な物品は、多くの場合、異なる成分層を含むことがある。互いに近接した成分層が引起こし得る懸念は、層が十分に接着しない場合の物品の構造の完全性に基づくか、ある層の材料が他の層に拡散することに基づくか、一方もしくは他方の隣接層を形成するのに用いられる製造方法に基づくか、またはそれらのいずれかの組合せによる。これらおよび他の問題により、多層または多成分物品に存在し得る懸念に対処するためには、介在層を工夫する必要がある。
本明細書に開示される物品は、磁気構造体と、中間層とを備え、中間層は磁気構造体上に位置決めされ、中間層は、約3Å〜約50Åの厚みを有し、中間層は、底部境界層を含み、底部境界層は、磁気構造体に隣接して位置決めされ、底部境界層は、磁気構造体の原子、化合物またはその両方に結合された金属の原子を含み、さらに、中間膜を含み、中間膜は底部境界層上に位置決めされ、中間膜は金属の酸化物を含み、さらに、頂部境界層を含み、頂部境界層は、中間膜に隣接して位置決めされ、頂部境界層は、隣接するオーバーコート層の原子または化合物に結合した金属の原子、金属の酸化物、またはそれらのいくらかの組合せを含み、物品はさらに、オーバーコート層を備え、オーバーコート層は、中間層の頂部境界層上に位置決めされる。
以下の説明では、この文書の一部を形成し、例示のためにいくつかの具体的な実施形態を示す添付の図面の組を参照する。本開示の範囲または精神から逸脱することなく他の実施形態が企図され、なされ得ることが理解されるべきである。したがって、以下の詳細な説明は限定的な意味に取られるべきではない。
AlTiCウェハ上に、物理蒸着法によって次の構造体:5ÅのZrシード層、25nm高さ×45nm幅の金のペグ、および5ÅのZrキャップ層を堆積した。次いで、誘電性のオーバーコート層がこれに続いた。次いで、このウェハを0nm〜100nmまでペグ長さにラップ仕上げした。ラップ仕上げ後、オーバーコートをABSに堆積した。比較例は、35Åのイオンビーム堆積(IBD)TaOx膜を有し、22Åのフィルター型カソーディックアーク炭素膜が続いた。実施例1は、8ÅのIBD Cr膜であり、22ÅのIBD炭素膜が続いた。実施例2は、16ÅのIBD Cr膜であり、22AのIBD炭素膜が続いた。実施例3は、4ÅのIBD Cr膜の2つの連続的な堆積を有し、各々1時間空気中で堆積後酸化が行われ、22ÅのIBD炭素膜が続いた。実施例4は、4ÅのIBD Cr膜の4つの連続的な堆積を有し、各々1時間空気中で堆積後酸化が行われ、22ÅのIBD炭素膜が続いた。
Claims (20)
- 物品であって、
磁気構造体と、
中間層とを備え、前記中間層は前記磁気構造体上に位置決めされ、前記中間層は、約3Å〜約50Åの厚みを有し、前記中間層は、
底部境界層を含み、前記底部境界層は、前記磁気構造体に隣接して位置決めされ、前記底部境界層は、前記磁気構造体の原子、化合物またはその両方に結合された金属の原子を含み、さらに、
中間膜を含み、前記中間膜は前記底部境界層上に位置決めされ、前記中間膜は金属の酸化物を含み、さらに、
頂部境界層を含み、前記頂部境界層は、前記中間膜に隣接して位置決めされ、前記頂部境界層は、隣接するオーバーコート層の原子または化合物に結合した金属の原子、金属の酸化物、またはそれらのいくらかの組合せを含み、前記物品はさらに、
オーバーコート層を備え、前記オーバーコート層は、前記中間層の前記頂部境界層上に位置決めされる、物品。 - 前記磁気構造体は磁気変換器を含む、請求項1に記載の物品。
- 前記磁気変換器は磁気読取り部および磁気書込み部を含み、
前記中間膜は、前記磁気変換器の前記磁気読取り部、前記磁気書込み部、またはその両方の上方に位置決めされる、請求項2に記載の物品。 - 前記磁気変換器の原子または化合物は、FeCo、NiFe、Cr、AlOx、TaOx、SiOx、Au、またはそれらのいくらかの組合せを含む、請求項3に記載の物品。
- 前記中間層は非導電性である、請求項1に記載の物品。
- 前記中間層の前記底部境界層は、前記底部境界層を非導電性にする厚みである、請求項5に記載の物品。
- 前記底部境界層は、金属の原子のほぼ単分子層〜約30Åの厚みを有する、請求項6に記載の物品。
- 前記中間層における金属は、クロム、アルミニウム、またはそれらの組合せから選択される、請求項1に記載の物品。
- 前記中間層における金属はクロムである、請求項1に記載の物品。
- 前記中間層の厚みは、約3Å〜約20Åである、請求項1に記載の物品。
- 物品を形成する方法であって、前記方法は、
磁気構造体を得るステップと、
前記磁気構造体の少なくとも一部分上に金属層を形成するステップとを含み、前記金属層は、金属の原子のほぼ単分子層〜約50Åの厚みを有し、さらに、
前記金属層の少なくとも一部分を酸化させるステップと、
オーバーコート層を形成するステップとを含む、方法。 - 前記オーバーコート層は、前記金属層の一部分を酸化させる前に前記金属層上に形成される、請求項11に記載の方法。
- 前記金属層の一部分は、前記オーバーコート層を介して拡散する酸素、下地層内に存在する酸素、またはそれらのいくらかの組合せによって酸化される、請求項12に記載の方法。
- 前記金属層はクロムである、請求項11に記載の方法。
- 前記オーバーコート層は、前記金属層の一部分を酸化させた後で形成される、請求項11に記載の方法。
- 前記金属層を形成するステップおよび前記金属層を酸化させるステップは、少なくとも2回繰り返される、請求項15に記載の方法。
- 酸素含有周囲室温状態での受動的な酸化、酸素を含有する高温状態でのアニール、熱中性子化された酸素原子ビームもしくは酸素イオンビームへの露出、またはそれらの組合せによって、前記金属層の一部分が酸化される、請求項15に記載の方法。
- 物品を形成する方法であって、前記方法は、
磁気構造体を得るステップと、
前記磁気構造体上に金属層を形成するステップと、
金属原子を形成し、前記金属原子を酸化させ、前記酸化させた金属原子を前記金属層上に堆積して金属酸化物層を形成することによって、前記金属層上に金属酸化物層を形成するステップとを含む、方法。 - 前記金属酸化物層を形成することは、イオンビーム堆積を利用する、請求項18に記載の方法。
- 前記金属層はクロム金属層であり、前記金属酸化物層は酸化クロム層である、請求項18に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261715519P | 2012-10-18 | 2012-10-18 | |
US61/715,519 | 2012-10-18 | ||
US201261728306P | 2012-11-20 | 2012-11-20 | |
US61/728,306 | 2012-11-20 | ||
PCT/US2013/030659 WO2014062222A1 (en) | 2012-10-18 | 2013-03-13 | Articles including intermediate layer and methods of forming |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015537326A true JP2015537326A (ja) | 2015-12-24 |
JP6239632B2 JP6239632B2 (ja) | 2017-11-29 |
Family
ID=48093076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015537683A Expired - Fee Related JP6239632B2 (ja) | 2012-10-18 | 2013-03-13 | 中間層を含む物品および形成する方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20140113160A1 (ja) |
JP (1) | JP6239632B2 (ja) |
KR (1) | KR101771185B1 (ja) |
CN (1) | CN105009211B (ja) |
WO (1) | WO2014062222A1 (ja) |
Families Citing this family (19)
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US9224416B2 (en) | 2012-04-24 | 2015-12-29 | Seagate Technology Llc | Near field transducers including nitride materials |
US9251837B2 (en) | 2012-04-25 | 2016-02-02 | Seagate Technology Llc | HAMR NFT materials with improved thermal stability |
US8427925B2 (en) | 2010-02-23 | 2013-04-23 | Seagate Technology Llc | HAMR NFT materials with improved thermal stability |
US8830800B1 (en) | 2013-06-21 | 2014-09-09 | Seagate Technology Llc | Magnetic devices including film structures |
KR101672245B1 (ko) | 2013-06-24 | 2016-11-03 | 시게이트 테크놀로지 엘엘씨 | 적어도 하나의 인터믹싱층을 포함하는 디바이스들 |
US9281002B2 (en) | 2013-06-24 | 2016-03-08 | Seagate Technology Llc | Materials for near field transducers and near field transducers containing same |
US9058824B2 (en) | 2013-06-24 | 2015-06-16 | Seagate Technology Llc | Devices including a gas barrier layer |
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 |
US9570098B2 (en) | 2013-12-06 | 2017-02-14 | Seagate Technology Llc | Methods of forming near field transducers and near field transducers formed thereby |
US9697856B2 (en) | 2013-12-06 | 2017-07-04 | Seagate Techology LLC | Methods of forming near field transducers and near field transducers formed thereby |
US9305572B2 (en) | 2014-05-01 | 2016-04-05 | Seagate Technology Llc | Methods of forming portions of near field transducers (NFTS) and articles 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 |
US9620150B2 (en) | 2014-11-11 | 2017-04-11 | Seagate Technology Llc | Devices including an amorphous gas barrier layer |
US9552833B2 (en) | 2014-11-11 | 2017-01-24 | Seagate Technology Llc | Devices including a multilayer gas barrier layer |
US10510364B2 (en) | 2014-11-12 | 2019-12-17 | Seagate Technology Llc | Devices including a near field transducer (NFT) with nanoparticles |
US10192573B2 (en) | 2015-03-22 | 2019-01-29 | Seagate Technology Llc | Devices including metal layer |
US9672848B2 (en) | 2015-05-28 | 2017-06-06 | Seagate Technology Llc | Multipiece near field transducers (NFTS) |
US9824709B2 (en) | 2015-05-28 | 2017-11-21 | Seagate Technology Llc | Near field transducers (NFTS) including barrier layer and methods of forming |
US9852748B1 (en) | 2015-12-08 | 2017-12-26 | Seagate Technology Llc | Devices including a NFT having at least one amorphous alloy layer |
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2013
- 2013-03-13 CN CN201380066647.8A patent/CN105009211B/zh not_active Expired - Fee Related
- 2013-03-13 KR KR1020157012615A patent/KR101771185B1/ko active IP Right Grant
- 2013-03-13 JP JP2015537683A patent/JP6239632B2/ja not_active Expired - Fee Related
- 2013-03-13 US US13/798,469 patent/US20140113160A1/en not_active Abandoned
- 2013-03-13 WO PCT/US2013/030659 patent/WO2014062222A1/en active Application Filing
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JP2003204094A (ja) * | 2002-01-10 | 2003-07-18 | Fujitsu Ltd | Cpp構造磁気抵抗効果素子 |
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Also Published As
Publication number | Publication date |
---|---|
KR101771185B1 (ko) | 2017-08-24 |
WO2014062222A1 (en) | 2014-04-24 |
CN105009211A (zh) | 2015-10-28 |
JP6239632B2 (ja) | 2017-11-29 |
KR20150114458A (ko) | 2015-10-12 |
US20140113160A1 (en) | 2014-04-24 |
CN105009211B (zh) | 2019-11-19 |
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