DE69520521D1 - Magnetischer dünner Film und Bildungsverfahren derselben, und Magnetkopf - Google Patents
Magnetischer dünner Film und Bildungsverfahren derselben, und MagnetkopfInfo
- Publication number
- DE69520521D1 DE69520521D1 DE69520521T DE69520521T DE69520521D1 DE 69520521 D1 DE69520521 D1 DE 69520521D1 DE 69520521 T DE69520521 T DE 69520521T DE 69520521 T DE69520521 T DE 69520521T DE 69520521 D1 DE69520521 D1 DE 69520521D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- thin film
- formation method
- magnetic head
- magnetic thin
- 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.)
- Expired - Lifetime
Links
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
-
- 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
- G11B5/1875—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers
- G11B5/1877—"Composite" pole pieces, i.e. poles composed in some parts of magnetic particles and in some other parts of magnetic metal layers including at least one magnetic thin film
-
- 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
-
- 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
-
- 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
- G11B5/3113—Details for improving the magnetic domain structure or avoiding the formation or displacement of undesirable magnetic domains
-
- 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
-
- 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
-
- 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
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
-
- 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
- G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
- G11B5/3153—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film structure
-
- 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
- G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
- G11B5/3153—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film structure
- G11B5/3156—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film structure providing interaction by induced or exchange coupling
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
- Y10T428/24967—Absolute thicknesses specified
- Y10T428/24975—No layer or component greater than 5 mils thick
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Power Engineering (AREA)
- Thin Magnetic Films (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10093994 | 1994-05-16 | ||
JP11645494 | 1994-05-30 | ||
JP30361494 | 1994-12-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69520521D1 true DE69520521D1 (de) | 2001-05-10 |
DE69520521T2 DE69520521T2 (de) | 2002-03-28 |
Family
ID=27309348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69520521T Expired - Lifetime DE69520521T2 (de) | 1994-05-16 | 1995-05-15 | Magnetischer dünner Film und Bildungsverfahren derselben, und Magnetkopf |
Country Status (6)
Country | Link |
---|---|
US (2) | US5589221A (de) |
EP (1) | EP0683497B1 (de) |
KR (1) | KR100216086B1 (de) |
CN (1) | CN1126126C (de) |
DE (1) | DE69520521T2 (de) |
ES (1) | ES2155485T3 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5796560A (en) * | 1995-03-13 | 1998-08-18 | Kabushiki Kaisha Toshiba | Magnetoresistive head |
ATE256761T1 (de) * | 1997-04-18 | 2004-01-15 | Plasma Metal S A | Verfahren und ofen zum nitrieren |
US6072671A (en) * | 1998-07-31 | 2000-06-06 | International Business Machines Corporation | Write head with high thermal stability material |
US6632520B1 (en) * | 1998-09-03 | 2003-10-14 | Matsushita Electric Industrial Co., Ltd. | Magnetic film |
US6233116B1 (en) | 1998-11-13 | 2001-05-15 | Read-Rite Corporation | Thin film write head with improved laminated flux carrying structure and method of fabrication |
US6410170B1 (en) * | 1999-05-20 | 2002-06-25 | Read-Rite Corporation | High resistivity FeXN sputtered films for magnetic storage devices and method of fabrication |
JP3396455B2 (ja) * | 1999-06-22 | 2003-04-14 | アルプス電気株式会社 | 軟磁性膜及びその製造方法、ならびにこの軟磁性膜を用いた薄膜磁気ヘッド |
US20040206300A1 (en) * | 1999-07-28 | 2004-10-21 | Sapozhnikov Victor B. | Method for forming thin films with lateral composition modulations |
US6473960B1 (en) | 2000-01-07 | 2002-11-05 | Storage Technology Corporation | Method of making nitrided active elements |
JP2001236643A (ja) * | 2000-02-23 | 2001-08-31 | Fuji Electric Co Ltd | 磁気記録媒体製造用スパッタリングターゲット、それを用いた磁気記録媒体の製造方法および磁気記録媒体 |
EP1361586A4 (de) * | 2001-01-18 | 2008-06-11 | Taiyo Yuden Kk | "granularer dünner magnetfilm und verfahren zur herstellung des films, laminierter magnetfilm, magnetisches teil und elektronisches bauelement" |
JP2004284241A (ja) * | 2003-03-24 | 2004-10-14 | Tdk Corp | 光記録媒体及び光記録媒体用スパッタリングターゲット |
JP4286792B2 (ja) * | 2003-04-30 | 2009-07-01 | 富士通株式会社 | 磁気ヘッド |
US20070242395A1 (en) * | 2004-10-15 | 2007-10-18 | Bailey William E | Methods of manipulating the relaxation rate in magnetic materials and devices for using the same |
JP2007220850A (ja) * | 2006-02-16 | 2007-08-30 | Fujitsu Ltd | 積層磁性膜および磁気ヘッド |
JP4719109B2 (ja) * | 2006-04-21 | 2011-07-06 | 株式会社東芝 | 磁性材料およびアンテナデバイス |
CN102758183A (zh) * | 2011-04-27 | 2012-10-31 | 鸿富锦精密工业(深圳)有限公司 | 镀膜件及其制备方法 |
US10609843B2 (en) * | 2012-10-04 | 2020-03-31 | Compass Datacenters, Llc | Magnetic blocking tiles for a datacenter facility |
KR102611463B1 (ko) * | 2016-08-02 | 2023-12-08 | 삼성전자주식회사 | 자기 기억 소자 및 그 제조방법 |
CN110607503B (zh) * | 2019-10-18 | 2021-11-05 | 西南应用磁学研究所 | 一种高频磁芯用软磁复合膜及其制备方法 |
JP7456363B2 (ja) * | 2020-12-09 | 2024-03-27 | Tdk株式会社 | 積層コイル部品 |
CN114395753B (zh) * | 2022-01-06 | 2022-11-15 | 中国科学院宁波材料技术与工程研究所 | 一种多层结构的Fe-Cr-Al基防护涂层及其制备方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS599905A (ja) * | 1982-07-09 | 1984-01-19 | Hitachi Ltd | 磁性体膜およびそれを用いた磁気ヘッド |
JPS61233409A (ja) * | 1985-04-08 | 1986-10-17 | Matsushita Electric Ind Co Ltd | 高周波用積層型磁気ヘツドコアの製造方法及び磁気ヘツドコア |
JPS62154212A (ja) * | 1985-12-27 | 1987-07-09 | Hitachi Ltd | 鉄一酸素系積層磁性体膜 |
JPS6357758A (ja) * | 1986-08-26 | 1988-03-12 | Matsushita Electric Ind Co Ltd | 窒化磁性合金膜及びその形成法 |
JPS62210607A (ja) * | 1986-03-12 | 1987-09-16 | Matsushita Electric Ind Co Ltd | 軟磁性合金膜及びその形成法 |
JP2790451B2 (ja) * | 1987-04-10 | 1998-08-27 | 松下電器産業株式会社 | 窒素を含む軟磁性合金膜 |
JPH01238106A (ja) * | 1988-03-18 | 1989-09-22 | Nec Corp | 耐食性強磁性薄膜 |
DE69015652T2 (de) * | 1989-01-26 | 1995-05-11 | Fuji Photo Film Co Ltd | Weichmagnetischer dünner Film, Verfahren zu seiner Herstellung und Magnetkopf. |
JPH02288209A (ja) * | 1989-04-28 | 1990-11-28 | Amorufuasu Denshi Device Kenkyusho:Kk | 多層磁性薄膜 |
JPH03124005A (ja) * | 1989-10-06 | 1991-05-27 | Matsushita Electric Ind Co Ltd | 超構造窒化合金膜 |
KR100210579B1 (ko) * | 1990-01-08 | 1999-07-15 | 가나이 쓰도무 | 강자성막 및 그 제조방법과 이것을 사용한 자기헤드 |
DE69101726T2 (de) * | 1990-02-16 | 1994-08-11 | Matsushita Electric Ind Co Ltd | Weichmagnetische Dünnschichten aus Legierung und Magnetköpfe daraus. |
JPH04285153A (ja) * | 1991-03-14 | 1992-10-09 | Limes:Kk | 多層磁性体膜およびその形成方法 |
US5432645A (en) * | 1991-06-14 | 1995-07-11 | Tdk Corporation | Magnetic head-forming thin film |
JPH06338410A (ja) * | 1993-03-31 | 1994-12-06 | Matsushita Electric Ind Co Ltd | 軟磁性多層膜と磁気ヘッド |
-
1995
- 1995-05-11 US US08/439,574 patent/US5589221A/en not_active Expired - Lifetime
- 1995-05-15 ES ES95107342T patent/ES2155485T3/es not_active Expired - Lifetime
- 1995-05-15 EP EP19950107342 patent/EP0683497B1/de not_active Expired - Lifetime
- 1995-05-15 DE DE69520521T patent/DE69520521T2/de not_active Expired - Lifetime
- 1995-05-15 KR KR1019950011864A patent/KR100216086B1/ko active IP Right Grant
- 1995-05-16 CN CN95106049A patent/CN1126126C/zh not_active Expired - Fee Related
-
1996
- 1996-01-30 US US08/594,323 patent/US5849400A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1121633A (zh) | 1996-05-01 |
ES2155485T3 (es) | 2001-05-16 |
US5589221A (en) | 1996-12-31 |
KR950034087A (ko) | 1995-12-26 |
DE69520521T2 (de) | 2002-03-28 |
EP0683497B1 (de) | 2001-04-04 |
US5849400A (en) | 1998-12-15 |
EP0683497A1 (de) | 1995-11-22 |
KR100216086B1 (ko) | 1999-08-16 |
CN1126126C (zh) | 2003-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PANASONIC CORP., KADOMA, OSAKA, JP |