DE3681510D1 - Magnetplatte. - Google Patents
Magnetplatte.Info
- Publication number
- DE3681510D1 DE3681510D1 DE8686108319T DE3681510T DE3681510D1 DE 3681510 D1 DE3681510 D1 DE 3681510D1 DE 8686108319 T DE8686108319 T DE 8686108319T DE 3681510 T DE3681510 T DE 3681510T DE 3681510 D1 DE3681510 D1 DE 3681510D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic plate
- magnetic
- plate
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
-
- 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
- G11B5/71—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 lubricant
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60135800A JPH0673174B2 (ja) | 1985-06-20 | 1985-06-20 | 磁気記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3681510D1 true DE3681510D1 (de) | 1991-10-24 |
Family
ID=15160112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686108319T Expired - Lifetime DE3681510D1 (de) | 1985-06-20 | 1986-06-19 | Magnetplatte. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4828925A (de) |
EP (1) | EP0206244B1 (de) |
JP (1) | JPH0673174B2 (de) |
KR (1) | KR940003386B1 (de) |
DE (1) | DE3681510D1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0736216B2 (ja) * | 1985-10-15 | 1995-04-19 | 日立マクセル株式会社 | 磁気デイスク |
JPS6439624A (en) * | 1987-08-06 | 1989-02-09 | Nisshin Kagaku Kogyo Kk | Binder resin for magnetic recording medium |
JPH0772938B2 (ja) * | 1987-09-30 | 1995-08-02 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JPH01300420A (ja) * | 1988-05-30 | 1989-12-04 | Hitachi Maxell Ltd | 磁気記録媒体 |
EP0345697B1 (de) * | 1988-06-06 | 1994-11-23 | Fuji Photo Film Co., Ltd. | Magnetischer Aufzeichnungsträger |
JP2826835B2 (ja) * | 1989-03-28 | 1998-11-18 | ティーディーケイ株式会社 | 磁気記録媒体 |
JPH04103021A (ja) * | 1990-08-22 | 1992-04-06 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JP2989239B2 (ja) * | 1990-09-28 | 1999-12-13 | ティーディーケイ株式会社 | 磁気記録媒体 |
JP3975367B2 (ja) * | 1995-11-22 | 2007-09-12 | 富士フイルム株式会社 | 磁気記録媒体 |
JP4415293B2 (ja) | 2001-02-15 | 2010-02-17 | Tdk株式会社 | 磁気記録媒体および磁気記録再生システム |
JP2005018936A (ja) * | 2003-06-27 | 2005-01-20 | Sony Corp | 磁気抵抗型ヘッド、磁気テープおよび磁気テープ式記録再生システム |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6028052B2 (ja) * | 1977-06-01 | 1985-07-02 | ソニー株式会社 | 磁気記録媒体 |
JPS582414B2 (ja) * | 1978-04-24 | 1983-01-17 | 日本ビクター株式会社 | 磁気記録媒体 |
JPS5619525A (en) * | 1979-07-24 | 1981-02-24 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS5694522A (en) * | 1979-12-28 | 1981-07-31 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS5698716A (en) * | 1980-01-11 | 1981-08-08 | Victor Co Of Japan Ltd | Magnetic recording medium |
JPS5698717A (en) * | 1980-01-11 | 1981-08-08 | Victor Co Of Japan Ltd | Magnetic recording medium |
JPS5880132A (ja) * | 1981-11-06 | 1983-05-14 | Fuji Photo Film Co Ltd | 磁気記録材料 |
JPS5924438A (ja) * | 1982-08-02 | 1984-02-08 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
US4522885A (en) * | 1983-02-12 | 1985-06-11 | Hitachi Maxell, Ltd. | Magnetic recording medium |
JPS59186131A (ja) * | 1983-04-06 | 1984-10-22 | Tdk Corp | 磁気記録媒体 |
JPS6028026A (ja) * | 1983-07-26 | 1985-02-13 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS6045935A (ja) * | 1983-08-24 | 1985-03-12 | Teijin Memorex Kk | 磁気記録用媒体 |
JPS6098527A (ja) * | 1983-11-04 | 1985-06-01 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
US4595640A (en) * | 1983-12-27 | 1986-06-17 | Minnesota Mining And Manufacturing Company | Lubricant system for magnetic recording media containing isomeric acids or alcohols |
US4647502A (en) * | 1984-09-18 | 1987-03-03 | Hitachi Maxell, Ltd. | Magnetic recording medium |
JPH0619828B2 (ja) * | 1984-12-27 | 1994-03-16 | コニカ株式会社 | 磁気記録媒体 |
DE3611296C2 (de) * | 1985-04-04 | 1996-09-12 | Fuji Photo Film Co Ltd | Magnetisches Aufzeichnungsmedium |
US4666784A (en) * | 1985-07-26 | 1987-05-19 | Toyo Boseki Kabushiki Kaisha | Magnetic recording medium |
-
1985
- 1985-06-20 JP JP60135800A patent/JPH0673174B2/ja not_active Expired - Lifetime
-
1986
- 1986-05-19 KR KR1019860003873A patent/KR940003386B1/ko not_active IP Right Cessation
- 1986-06-18 US US06/875,581 patent/US4828925A/en not_active Expired - Lifetime
- 1986-06-19 DE DE8686108319T patent/DE3681510D1/de not_active Expired - Lifetime
- 1986-06-19 EP EP86108319A patent/EP0206244B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4828925A (en) | 1989-05-09 |
KR870000684A (ko) | 1987-02-19 |
EP0206244B1 (de) | 1991-09-18 |
KR940003386B1 (ko) | 1994-04-21 |
JPH0673174B2 (ja) | 1994-09-14 |
EP0206244A3 (en) | 1989-08-30 |
JPS61294637A (ja) | 1986-12-25 |
EP0206244A2 (de) | 1986-12-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8331 | Complete revocation |