DE69316730D1 - Nichtmagnetischer Mn-Zn-Ferrit-Einkristall für schwebende Magnetköpfe - Google Patents
Nichtmagnetischer Mn-Zn-Ferrit-Einkristall für schwebende MagnetköpfeInfo
- Publication number
- DE69316730D1 DE69316730D1 DE69316730T DE69316730T DE69316730D1 DE 69316730 D1 DE69316730 D1 DE 69316730D1 DE 69316730 T DE69316730 T DE 69316730T DE 69316730 T DE69316730 T DE 69316730T DE 69316730 D1 DE69316730 D1 DE 69316730D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic
- single crystal
- ferrite single
- floating
- magnetic heads
- 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 - Fee Related
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
- G11B5/48—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
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B1/00—Single-crystal growth directly from the solid state
- C30B1/02—Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
- C30B29/22—Complex oxides
- C30B29/24—Complex oxides with formula AMeO3, wherein A is a rare earth metal and Me is Fe, Ga, Sc, Cr, Co or Al, e.g. ortho ferrites
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
-
- 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
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
-
- 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
-
- 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
- Y10T428/11—Magnetic recording head
- Y10T428/1157—Substrate 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Soft Magnetic Materials (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4311996A JP2519004B2 (ja) | 1992-11-20 | 1992-11-20 | 浮上型磁気ヘッド用非磁性Mn−Zn単結晶フェライト |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69316730D1 true DE69316730D1 (de) | 1998-03-05 |
DE69316730T2 DE69316730T2 (de) | 1998-08-06 |
Family
ID=18023956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69316730T Expired - Fee Related DE69316730T2 (de) | 1992-11-20 | 1993-11-18 | Nichtmagnetischer Mn-Zn-Ferrit-Einkristall für schwebende Magnetköpfe |
Country Status (4)
Country | Link |
---|---|
US (1) | US5629100A (de) |
EP (1) | EP0604016B1 (de) |
JP (1) | JP2519004B2 (de) |
DE (1) | DE69316730T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007091538A (ja) * | 2005-09-29 | 2007-04-12 | Tdk Corp | 非磁性Znフェライトおよびこれを用いた複合積層型電子部品 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4402787A (en) * | 1979-05-31 | 1983-09-06 | Ngk Insulators, Ltd. | Method for producing a single crystal |
JPS6191092A (ja) * | 1984-10-11 | 1986-05-09 | Ngk Insulators Ltd | フエライト単結晶の製造法 |
JPS61133007A (ja) * | 1984-12-01 | 1986-06-20 | Victor Co Of Japan Ltd | 磁気ヘツド |
JPS61146781A (ja) * | 1984-12-21 | 1986-07-04 | Ngk Insulators Ltd | 単結晶の製造法 |
JPS629559A (ja) * | 1985-07-08 | 1987-01-17 | Hitachi Maxell Ltd | デイスクドライブ |
JPS62216986A (ja) * | 1986-03-17 | 1987-09-24 | Ngk Insulators Ltd | 単結晶フエライトの製造法 |
JPS62223099A (ja) * | 1986-03-20 | 1987-10-01 | Ngk Insulators Ltd | 単結晶フエライトの製造法 |
JPH0244099A (ja) * | 1988-04-14 | 1990-02-14 | Hitachi Metals Ltd | 単結晶フェライト、それを用いた磁気ヘッド及び単結晶フェライトの製造方法 |
JPH0730465B2 (ja) * | 1989-01-09 | 1995-04-05 | 日本碍子株式会社 | 負圧形磁気ヘッドスライダ及びその製造方法 |
JPH03126662A (ja) * | 1989-10-06 | 1991-05-29 | Hitachi Metals Ltd | 磁気ヘッド用非磁性Mn―Znフェライト |
-
1992
- 1992-11-20 JP JP4311996A patent/JP2519004B2/ja not_active Expired - Lifetime
-
1993
- 1993-11-18 EP EP93309205A patent/EP0604016B1/de not_active Expired - Lifetime
- 1993-11-18 DE DE69316730T patent/DE69316730T2/de not_active Expired - Fee Related
-
1995
- 1995-12-29 US US08/580,495 patent/US5629100A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2519004B2 (ja) | 1996-07-31 |
EP0604016A1 (de) | 1994-06-29 |
EP0604016B1 (de) | 1998-01-28 |
DE69316730T2 (de) | 1998-08-06 |
US5629100A (en) | 1997-05-13 |
JPH06157197A (ja) | 1994-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |