JP4773254B2 - 高周波磁性薄膜及び高周波電子デバイス - Google Patents
高周波磁性薄膜及び高周波電子デバイス Download PDFInfo
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- JP4773254B2 JP4773254B2 JP2006110238A JP2006110238A JP4773254B2 JP 4773254 B2 JP4773254 B2 JP 4773254B2 JP 2006110238 A JP2006110238 A JP 2006110238A JP 2006110238 A JP2006110238 A JP 2006110238A JP 4773254 B2 JP4773254 B2 JP 4773254B2
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- 239000010409 thin film Substances 0.000 title claims description 72
- 239000012212 insulator Substances 0.000 claims description 32
- 230000005415 magnetization Effects 0.000 claims description 27
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 17
- 239000000696 magnetic material Substances 0.000 claims description 14
- 229910052723 transition metal Inorganic materials 0.000 claims description 11
- 150000003624 transition metals Chemical class 0.000 claims description 11
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 230000001747 exhibiting effect Effects 0.000 claims description 5
- 230000005307 ferromagnetism Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 239000006249 magnetic particle Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
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- 238000010586 diagram Methods 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 229910020710 Co—Sm Inorganic materials 0.000 description 5
- 229910002546 FeCo Inorganic materials 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
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- 230000007423 decrease Effects 0.000 description 4
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- -1 Co—Y Chemical class 0.000 description 2
- 229910052777 Praseodymium Inorganic materials 0.000 description 2
- 230000005290 antiferromagnetic effect Effects 0.000 description 2
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- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 229910020707 Co—Pt Inorganic materials 0.000 description 1
- 229910020514 Co—Y Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000001552 radio frequency sputter deposition Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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- 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
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/3222—Exchange coupled hard/soft multilayers, e.g. CoPt/Co or NiFe/CoSm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
- H01F10/007—Thin magnetic films, e.g. of one-domain structure ultrathin or granular films
-
- 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
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/3227—Exchange coupling via one or more magnetisable ultrathin or granular films
- H01F10/3231—Exchange coupling via one or more magnetisable ultrathin or granular films via a non-magnetic spacer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
-
- 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
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
- H01F10/126—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing rare earth metals
-
- 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
- H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
- H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
- H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
- H01F10/16—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing cobalt
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- 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
-
- 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
- Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer
-
- 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
- Y10T428/32—Composite [nonstructural laminate] of inorganic material having metal-compound-containing layer and having defined magnetic layer
- Y10T428/325—Magnetic layer next to second metal compound-containing layer
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Composite Materials (AREA)
- Thin Magnetic Films (AREA)
- Coils Or Transformers For Communication (AREA)
Description
2 第二の磁性体層
3 絶縁体層
4 磁性体粒子
5 絶縁体
6 基板
7 磁性薄膜
8 導体
Claims (11)
- 第一の磁性体層と、第二の磁性体層と、絶縁体層とが、いずれも多数層含まれており、
前記第一の磁性体層は、前記第二の磁性体層よりも高い異方性磁界を有しており、
前記第二の磁性体層は、前記第一の磁性体層よりも高い飽和磁化を有しており、
前記第一の磁性体層と前記第二の磁性体層とを、一層毎に交互に積層するか、もしくは、一方の磁性体層の二層と他方の磁性体層の一層とを交互に積層するか、もしくは、第一の磁性体層の一層と第二の磁性体層の三層とを交互に積層することで、第一の磁性体層と第二の磁性体層とを規則的に積層し、
積層される全ての磁性体層の間に前記絶縁体層を形成することで、磁性体層と絶縁体層とが交互の配置となる積層構造としたことを特徴とする高周波磁性薄膜。 - 前記第一の磁性体層は、希土類金属と強磁性を示す3d遷移金属との合金を主体としていることを特徴とする請求項1に記載の高周波磁性薄膜。
- 前記第二の磁性体層は、強磁性を示す3d遷移金属またはそれらの合金を主体としていることを特徴とする請求項1に記載の高周波磁性薄膜。
- 前記第一の磁性体層は、磁性体粒子を絶縁体で包み込んだグラニュラ構造であることを特徴とする請求項1に記載の高周波磁性薄膜。
- 前記第二の磁性体層は、磁性体粒子を絶縁体で包み込んだグラニュラ構造であることを特徴とする請求項1に記載の高周波磁性薄膜。
- 前記希土類金属はSmであることを特徴とする請求項2に記載の高周波磁性薄膜。
- 前記3d遷移金属はCoであることを特徴とする請求項2または3に記載の高周波磁性薄膜。
- 前記第一の磁性体層と、前記第二の磁性体層が絶縁体層を介して交換結合していることを特徴とする請求項1に記載の高周波磁性薄膜。
- 前記絶縁体層の厚みは、0.2〜1nmであることを特徴とする請求項1に記載の高周波磁性薄膜。
- 前記磁性体層の厚みは、3〜30nmであることを特徴とする請求項1に記載の高周波磁性薄膜。
- 請求項1〜10のいずれか一項に記載の高周波磁性薄膜上に、所定形状の金属導体を形成したことを特徴とする高周波電子デバイス。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006110238A JP4773254B2 (ja) | 2006-03-15 | 2006-03-15 | 高周波磁性薄膜及び高周波電子デバイス |
| EP07251075A EP1835515A1 (en) | 2006-03-15 | 2007-03-14 | High-frequency magnetic thin film and high-frequency electronic device |
| US11/724,458 US7803470B2 (en) | 2006-03-15 | 2007-03-14 | High-frequency magnetic thin film and high-frequency electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006110238A JP4773254B2 (ja) | 2006-03-15 | 2006-03-15 | 高周波磁性薄膜及び高周波電子デバイス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007251111A JP2007251111A (ja) | 2007-09-27 |
| JP4773254B2 true JP4773254B2 (ja) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006110238A Expired - Fee Related JP4773254B2 (ja) | 2006-03-15 | 2006-03-15 | 高周波磁性薄膜及び高周波電子デバイス |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7803470B2 (ja) |
| EP (1) | EP1835515A1 (ja) |
| JP (1) | JP4773254B2 (ja) |
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| JP2014195059A (ja) * | 2013-02-27 | 2014-10-09 | Shinko Electric Ind Co Ltd | 電子装置 |
| WO2017151285A1 (en) * | 2016-03-04 | 2017-09-08 | 3M Innovative Properties Company | Magnetic multilayer sheet |
| JP7030694B2 (ja) | 2016-07-22 | 2022-03-07 | マクセル株式会社 | 電磁波吸収体 |
| CN108022751B (zh) | 2016-10-31 | 2022-01-11 | 北京北方华创微电子装备有限公司 | 磁性薄膜叠层的沉积方法、磁性薄膜叠层及微电感器件 |
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| US7230265B2 (en) * | 2005-05-16 | 2007-06-12 | International Business Machines Corporation | Spin-polarization devices using rare earth-transition metal alloys |
| US20070096229A1 (en) * | 2005-10-28 | 2007-05-03 | Masatoshi Yoshikawa | Magnetoresistive element and magnetic memory device |
-
2006
- 2006-03-15 JP JP2006110238A patent/JP4773254B2/ja not_active Expired - Fee Related
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2007
- 2007-03-14 EP EP07251075A patent/EP1835515A1/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| EP1835515A1 (en) | 2007-09-19 |
| US7803470B2 (en) | 2010-09-28 |
| JP2007251111A (ja) | 2007-09-27 |
| US20070218273A1 (en) | 2007-09-20 |
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