DE69225393T2 - Beschichtungszusammensetzungen für Mastermedien zur hysteresisfreien Aufzeichnung - Google Patents
Beschichtungszusammensetzungen für Mastermedien zur hysteresisfreien AufzeichnungInfo
- Publication number
- DE69225393T2 DE69225393T2 DE1992625393 DE69225393T DE69225393T2 DE 69225393 T2 DE69225393 T2 DE 69225393T2 DE 1992625393 DE1992625393 DE 1992625393 DE 69225393 T DE69225393 T DE 69225393T DE 69225393 T2 DE69225393 T2 DE 69225393T2
- Authority
- DE
- Germany
- Prior art keywords
- hysteresis
- coating compositions
- master media
- free recording
- recording
- 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
- 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
- G11B5/702—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
- G11B5/7021—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 containing a polyurethane or a polyisocyanate
-
- 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
- G11B5/708—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 addition of non-magnetic particles to the layer
-
- 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
- G11B5/735—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 characterised by the back layer
- G11B5/7356—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 characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
-
- 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
- G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
- G11B5/865—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by contact "printing"
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/811,386 US5230818A (en) | 1991-12-20 | 1991-12-20 | Coating compositions for master media for anhysteretic recording |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69225393D1 DE69225393D1 (de) | 1998-06-10 |
DE69225393T2 true DE69225393T2 (de) | 1998-12-17 |
Family
ID=25206397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1992625393 Expired - Fee Related DE69225393T2 (de) | 1991-12-20 | 1992-12-16 | Beschichtungszusammensetzungen für Mastermedien zur hysteresisfreien Aufzeichnung |
Country Status (4)
Country | Link |
---|---|
US (2) | US5230818A (de) |
EP (1) | EP0550351B1 (de) |
JP (1) | JPH061931A (de) |
DE (1) | DE69225393T2 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5581417A (en) * | 1992-12-11 | 1996-12-03 | Eastman Kodak Company | Apparatus and method for anhysteretically recording from master drum to slave web |
US5407080A (en) * | 1993-06-01 | 1995-04-18 | Tomah Products, Inc. | Apatite flotation reagent |
US5705253A (en) * | 1994-06-13 | 1998-01-06 | Minnesota Mining And Manufacturing Company | Video recording tapes suitable for high speed contact duplication |
US5620765A (en) * | 1995-05-02 | 1997-04-15 | Eastman Kodak Company | Aqueous backing for digital optical media |
US6066400A (en) * | 1997-08-29 | 2000-05-23 | Xerox Corporation | Polyimide biasable components |
US6397034B1 (en) | 1997-08-29 | 2002-05-28 | Xerox Corporation | Fluorinated carbon filled polyimide intermediate transfer components |
JP2001519464A (ja) * | 1997-10-02 | 2001-10-23 | ビーエーエスエフ アクチェンゲゼルシャフト | 電気化学電池用の固体電解質またはセパレータとして適し特異的可塑剤を有する混合物 |
JP2001307324A (ja) * | 2000-02-15 | 2001-11-02 | Fuji Photo Film Co Ltd | 磁気転写用マスター担体および磁気記録媒体 |
US20040112472A1 (en) * | 2002-12-17 | 2004-06-17 | Imation Corp. | Metal particle data recording medium having enhanced elastic modulus |
JP4677749B2 (ja) * | 2004-09-21 | 2011-04-27 | 富士ゼロックス株式会社 | 磁性素子を有する情報媒体の情報検知装置 |
WO2017090489A1 (ja) * | 2015-11-26 | 2017-06-01 | 株式会社Adeka | 水系樹脂塗料組成物、これを用いた熱線遮蔽フィルムおよびこれらの製造方法 |
Family Cites Families (66)
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US3982276A (en) * | 1971-10-21 | 1976-09-21 | U.S. Philips Corporation | Method of copying magnetic recordings provided on a magnetizable medium having a greater coercive force before than after recording |
FR2180575B1 (de) * | 1972-04-21 | 1978-05-12 | Anvar | |
JPS49120216U (de) * | 1973-02-09 | 1974-10-15 | ||
US3921208A (en) * | 1973-02-20 | 1975-11-18 | Minnesota Mining & Mfg | Contact duplication of magnetic signals utilizing a dual-material intermediate including both low t' c 'and high t' c 'material |
US3909240A (en) * | 1973-09-28 | 1975-09-30 | Graham Magnetics Inc | Method of producing acicular metal crystals |
US4281043A (en) * | 1973-10-31 | 1981-07-28 | Graham Magnetics, Inc. | Polymodal magnetic recording media and compositions useful therein |
US4237189A (en) * | 1973-10-31 | 1980-12-02 | Robert J. Deffeyes | Polymodal magnetic recording media process for making and verifying the same and compositions useful therein |
JPS5418217B2 (de) * | 1974-02-13 | 1979-07-05 | ||
JPS5320506A (en) * | 1976-08-10 | 1978-02-24 | Toyo Boseki | Ultraspeed motor |
US4237506A (en) * | 1978-04-03 | 1980-12-02 | Graham Magnetics Inc. | Polymodal magnetic recording member |
JPS6033286B2 (ja) * | 1978-12-27 | 1985-08-02 | 富士写真フイルム株式会社 | 磁気記録媒体 |
US4277806A (en) * | 1979-05-14 | 1981-07-07 | Eastman Technology, Inc. | Magnetic recording using recording media having temperature dependent coercivity |
JPS5613526A (en) * | 1979-07-11 | 1981-02-09 | Tdk Corp | Magnetic recording medium |
JPS5693123A (en) * | 1979-12-26 | 1981-07-28 | Ricoh Co Ltd | Magnetic recording material |
JPS56119938A (en) * | 1980-02-22 | 1981-09-19 | Sony Corp | Production of magnetic recording medium |
US4328935A (en) * | 1980-06-12 | 1982-05-11 | Minnesota Mining And Manufacturing Company | Flexible magnetic recording tape having low-friction backside coating |
US4363038A (en) * | 1980-07-14 | 1982-12-07 | Minnesota Mining And Manufacturing Company | Contact duplication system using anisotropic magnetic recording media |
JPS57195327A (en) * | 1981-05-26 | 1982-12-01 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS57195329A (en) * | 1981-05-26 | 1982-12-01 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS57195328A (en) * | 1981-05-26 | 1982-12-01 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS5817539A (ja) * | 1981-07-21 | 1983-02-01 | Sony Corp | 磁気記録媒体 |
US4501774A (en) * | 1981-10-12 | 1985-02-26 | Ishihara Sangyo Kaisha, Ltd. | Process for the production of cobalt-containing magnetic iron oxide powder |
JPS5864634A (ja) * | 1981-10-13 | 1983-04-18 | Hitachi Maxell Ltd | 磁気記録媒体 |
US4657816A (en) * | 1982-04-19 | 1987-04-14 | Memorex Corporation | Ferromagnetic recording materials |
JPS5972104A (ja) * | 1982-10-19 | 1984-04-24 | Toshiba Corp | 磁性体粉末 |
JPS5994234A (ja) * | 1982-11-19 | 1984-05-30 | Sony Corp | 磁気記録媒体 |
DE3308052A1 (de) * | 1983-03-08 | 1984-09-13 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur herstellung eines magnetischen aufzeichnungsmaterials mit senkrechtausrichtung |
JPS59215704A (ja) * | 1983-05-24 | 1984-12-05 | Sumitomo Metal Mining Co Ltd | 磁性薄膜記録媒体 |
JPS6010417A (ja) * | 1983-06-30 | 1985-01-19 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
US4609971A (en) * | 1983-08-11 | 1986-09-02 | North American Philips Corporation | Electrolytic capacitor with polymer conductor |
JPS6069822A (ja) | 1983-08-19 | 1985-04-20 | Toshiba Corp | 磁気記録媒体 |
JPS60115024A (ja) * | 1983-11-25 | 1985-06-21 | Hitachi Maxell Ltd | 磁気記録媒体およびその製造方法 |
JPH0624062B2 (ja) * | 1984-04-06 | 1994-03-30 | 日立マクセル株式会社 | 磁気記録媒体 |
JPS60220913A (ja) * | 1984-04-18 | 1985-11-05 | Sony Corp | 磁性薄膜 |
JPS60220914A (ja) * | 1984-04-18 | 1985-11-05 | Sony Corp | 磁性薄膜 |
JPH0630142B2 (ja) * | 1984-04-23 | 1994-04-20 | 富士写真フイルム株式会社 | ディスク状磁気記録媒体 |
JPS60229235A (ja) * | 1984-04-27 | 1985-11-14 | Fuji Photo Film Co Ltd | 磁気記録媒体の製法 |
JPS60150236A (ja) * | 1984-07-06 | 1985-08-07 | Toshiba Corp | 垂直磁気記録用高密度磁気記録体の製造方法 |
US4566424A (en) * | 1984-07-30 | 1986-01-28 | Outboard Marine Corporation | Flexible coupling for carburetors |
KR930009625B1 (ko) * | 1984-09-19 | 1993-10-07 | 히다찌 마꾸세루 가부시끼가이샤 | 자기기록매체 |
JPH0690969B2 (ja) * | 1984-11-30 | 1994-11-14 | 株式会社東芝 | 磁気記録媒体用磁性粉及びそれを用いた磁気記録媒体 |
US4714654A (en) * | 1984-12-20 | 1987-12-22 | Kabushiki Kaisha Toshiba | Magnetic recording medium |
JPS61250836A (ja) * | 1985-04-29 | 1986-11-07 | Sony Corp | 磁気記録媒体の製造方法 |
JPS6233323A (ja) * | 1985-08-06 | 1987-02-13 | Tomoegawa Paper Co Ltd | 感熱磁気記録媒体 |
CA1297738C (en) * | 1986-01-09 | 1992-03-24 | Hirofumi Kondo | Magnetic recording medium |
JPH0630140B2 (ja) * | 1986-02-05 | 1994-04-20 | 日本ビクター株式会社 | 磁気記録媒体 |
US4743490A (en) * | 1986-02-24 | 1988-05-10 | Minnesota Mining And Manufacturing Company | Counterfeit-resistant magnetic recording tape |
US5034271A (en) * | 1986-02-28 | 1991-07-23 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
JPS62211902A (ja) * | 1986-03-12 | 1987-09-17 | Hitachi Metals Ltd | 異方性複合磁石 |
JPH0792908B2 (ja) * | 1986-04-23 | 1995-10-09 | 松下電器産業株式会社 | 磁気記録媒体 |
JPS62250517A (ja) * | 1986-04-23 | 1987-10-31 | Hitachi Metals Ltd | 磁気記録体 |
US4755888A (en) * | 1986-05-29 | 1988-07-05 | Sony Corporation | High speed contact printing system |
JPS63159224A (ja) * | 1986-12-22 | 1988-07-02 | Kawasaki Steel Corp | 磁気記録用Baフエライト微粒子の製造方法 |
US4907103A (en) * | 1987-01-14 | 1990-03-06 | Otari Electric Company, Ltd. | Low CnO2 loading, high coercivity thermomagnetic tape duplication |
US4851258A (en) * | 1987-01-21 | 1989-07-25 | Showa Denko Kabushiki Kaisha | Method for preparing magnetic particles for magnetic-recording media |
US4851289A (en) * | 1987-01-30 | 1989-07-25 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
JPS63253535A (ja) * | 1987-04-09 | 1988-10-20 | Hitachi Maxell Ltd | 信号入り磁気記録媒体の製造方法 |
AU2280888A (en) * | 1987-10-12 | 1989-04-13 | Takeda Chemical Industries Ltd. | Polyurethane resins having mercapto groups, use in magnetic recording medium |
US4929514A (en) * | 1988-03-22 | 1990-05-29 | Hewlett-Packard Company | Thin film media for high density longitudinal magnetic recording |
JPH01282130A (ja) * | 1988-05-10 | 1989-11-14 | Ube Ind Ltd | バリウムフェライト磁性粉およびその製造方法 |
JPH0224832A (ja) * | 1988-07-13 | 1990-01-26 | Tomoegawa Paper Co Ltd | 感熱磁気記録媒体 |
DE3825619A1 (de) * | 1988-07-28 | 1990-02-01 | Agfa Gevaert Ag | Verfahren zur herstellung eines magnetischen aufzeichnungstraegers |
US4969962A (en) * | 1988-08-20 | 1990-11-13 | Victor Company Of Japan, Ltd. | Magnetic alloys for magnetic head |
US5037934A (en) * | 1988-10-28 | 1991-08-06 | Kyowa Hakko Kogyo Co., Ltd. | Magnetic coating formulations and magnetic recording media |
JPH02247819A (ja) * | 1989-03-20 | 1990-10-03 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JP2850028B2 (ja) * | 1989-12-28 | 1999-01-27 | コニカ株式会社 | 磁気記録媒体 |
-
1991
- 1991-12-20 US US07/811,386 patent/US5230818A/en not_active Expired - Lifetime
-
1992
- 1992-12-16 EP EP19920420462 patent/EP0550351B1/de not_active Expired - Lifetime
- 1992-12-16 DE DE1992625393 patent/DE69225393T2/de not_active Expired - Fee Related
- 1992-12-18 JP JP33890992A patent/JPH061931A/ja active Pending
-
1993
- 1993-02-22 US US08/020,965 patent/US6258471B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH061931A (ja) | 1994-01-11 |
DE69225393D1 (de) | 1998-06-10 |
US5230818A (en) | 1993-07-27 |
US6258471B1 (en) | 2001-07-10 |
EP0550351A1 (de) | 1993-07-07 |
EP0550351B1 (de) | 1998-05-06 |
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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 |