DE3854990D1 - Magnetischer Aufzeichnungsträger - Google Patents
Magnetischer AufzeichnungsträgerInfo
- Publication number
- DE3854990D1 DE3854990D1 DE3854990T DE3854990T DE3854990D1 DE 3854990 D1 DE3854990 D1 DE 3854990D1 DE 3854990 T DE3854990 T DE 3854990T DE 3854990 T DE3854990 T DE 3854990T DE 3854990 D1 DE3854990 D1 DE 3854990D1
- Authority
- DE
- Germany
- Prior art keywords
- record carrier
- magnetic record
- magnetic
- carrier
- record
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
- G11B5/7028—Additives, e.g. crosslinking agents
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70605—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material metals or alloys
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
- G11B5/7371—Non-magnetic single underlayer comprising nickel
-
- 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
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29837187 | 1987-11-26 | ||
JP10730288 | 1988-04-28 | ||
JP27231088A JP2684201B2 (ja) | 1987-11-26 | 1988-10-28 | 磁気記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3854990D1 true DE3854990D1 (de) | 1996-03-21 |
DE3854990T2 DE3854990T2 (de) | 1996-06-13 |
Family
ID=27310948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3854990T Expired - Fee Related DE3854990T2 (de) | 1987-11-26 | 1988-11-24 | Magnetischer Aufzeichnungsträger |
Country Status (3)
Country | Link |
---|---|
US (1) | US5068152A (de) |
EP (1) | EP0318004B1 (de) |
DE (1) | DE3854990T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5811182A (en) * | 1991-10-04 | 1998-09-22 | Tulip Memory Systems, Inc. | Magnetic recording medium having a substrate and a titanium nitride underlayer |
DE59207251D1 (de) * | 1991-12-21 | 1996-10-31 | Basf Magnetics Gmbh | Magnetische Aufzeichnungsträger |
JPH05304026A (ja) * | 1992-02-29 | 1993-11-16 | Sony Corp | 軟磁性薄膜とこれを用いた磁気ヘッド |
JPH07161034A (ja) * | 1993-04-13 | 1995-06-23 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
US5679473A (en) * | 1993-04-01 | 1997-10-21 | Asahi Komag Co., Ltd. | Magnetic recording medium and method for its production |
US6506130B2 (en) | 1993-06-01 | 2003-01-14 | Spalding Sports Worldwide, Inc. | Multi layer golf ball |
US5552204A (en) * | 1995-01-13 | 1996-09-03 | International Business Machines Corporation | Magnetic disk with boron carbide overcoat layer |
US5562965A (en) * | 1995-06-07 | 1996-10-08 | Seagate Technologies, Inc. | Vapor lubrication of fractionated lubricant on thin film discs |
JP2002146516A (ja) * | 2000-11-07 | 2002-05-22 | Sony Corp | 有機薄膜の蒸着方法 |
AU2003213353A1 (en) * | 2002-03-15 | 2003-09-29 | Canon Kabushiki Kaisha | Porous material and process for producing the same |
WO2003078688A1 (en) * | 2002-03-15 | 2003-09-25 | Canon Kabushiki Kaisha | Porous material and process for producing the same |
JP4454931B2 (ja) * | 2002-12-13 | 2010-04-21 | キヤノン株式会社 | ドットパターンを有する基板の製造方法及び柱状構造体の製造方法 |
US8372489B2 (en) * | 2007-09-28 | 2013-02-12 | Tel Epion Inc. | Method for directional deposition using a gas cluster ion beam |
US20090233004A1 (en) * | 2008-03-17 | 2009-09-17 | Tel Epion Inc. | Method and system for depositing silicon carbide film using a gas cluster ion beam |
US8202435B2 (en) * | 2008-08-01 | 2012-06-19 | Tel Epion Inc. | Method for selectively etching areas of a substrate using a gas cluster ion beam |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5151908A (de) * | 1974-11-01 | 1976-05-07 | Fuji Photo Film Co Ltd | |
JPS567237A (en) * | 1979-07-02 | 1981-01-24 | Fuji Photo Film Co Ltd | Magnetic recording medium and its production |
JPS57143729A (en) * | 1981-02-27 | 1982-09-06 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS58218041A (ja) * | 1982-06-11 | 1983-12-19 | Hitachi Condenser Co Ltd | 磁気記録媒体 |
JPS60131629A (ja) * | 1983-12-19 | 1985-07-13 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPS60143431A (ja) * | 1983-12-29 | 1985-07-29 | Alps Electric Co Ltd | 垂直磁気記録媒体 |
JPS62128019A (ja) * | 1985-11-28 | 1987-06-10 | Sony Corp | 磁気記録媒体 |
JP2523279B2 (ja) * | 1986-05-02 | 1996-08-07 | ティーディーケイ株式会社 | 磁気記録媒体およびその製造方法 |
-
1988
- 1988-11-22 US US07/274,844 patent/US5068152A/en not_active Expired - Lifetime
- 1988-11-24 DE DE3854990T patent/DE3854990T2/de not_active Expired - Fee Related
- 1988-11-24 EP EP88119591A patent/EP0318004B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5068152A (en) | 1991-11-26 |
EP0318004B1 (de) | 1996-02-07 |
EP0318004A2 (de) | 1989-05-31 |
EP0318004A3 (en) | 1990-10-10 |
DE3854990T2 (de) | 1996-06-13 |
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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 |