DE3473668D1 - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- DE3473668D1 DE3473668D1 DE8484110618T DE3473668T DE3473668D1 DE 3473668 D1 DE3473668 D1 DE 3473668D1 DE 8484110618 T DE8484110618 T DE 8484110618T DE 3473668 T DE3473668 T DE 3473668T DE 3473668 D1 DE3473668 D1 DE 3473668D1
- Authority
- DE
- Germany
- Prior art keywords
- recording medium
- magnetic recording
- magnetic
- medium
- 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
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
- G11B5/7021—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
- G11B5/7022—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 containing mixtures of polyurethanes or polyisocyanates with other polymers
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
- Y10T428/257—Iron oxide or aluminum oxide
-
- 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]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31609—Particulate metal or metal compound-containing
-
- 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]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58162578A JPS6055511A (ja) | 1983-09-06 | 1983-09-06 | 磁気記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3473668D1 true DE3473668D1 (en) | 1988-09-29 |
Family
ID=15757244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484110618T Expired DE3473668D1 (en) | 1983-09-06 | 1984-09-06 | Magnetic recording medium |
Country Status (4)
Country | Link |
---|---|
US (1) | US4695513A (de) |
EP (1) | EP0136590B1 (de) |
JP (1) | JPS6055511A (de) |
DE (1) | DE3473668D1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2173811B (en) * | 1985-04-05 | 1988-08-24 | Tdk Corp | Magnetic recording medium |
GB2174710B (en) * | 1985-04-22 | 1989-04-19 | Tdk Corp | Coating type perpendicular magnetic recording medium for digital recording |
US5178953A (en) * | 1990-01-12 | 1993-01-12 | Ampex Media Corporation | Magnetic recording media having a binder comprising a low molecular weight high glass transition temperature vinyl polymer |
DE4102161A1 (de) * | 1991-01-25 | 1992-07-30 | Bosch Gmbh Robert | Luefterrad mit einer topffoermigen nabe |
KR100232244B1 (ko) * | 1993-03-22 | 1999-12-01 | 조셉 에스. 바이크 | 자기 기록 매체 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5753824A (en) * | 1980-09-12 | 1982-03-31 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS5774829A (en) * | 1980-10-27 | 1982-05-11 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS57195328A (en) * | 1981-05-26 | 1982-12-01 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS57208633A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
US4411957A (en) * | 1981-09-03 | 1983-10-25 | Tdk Electronics Co., Ltd. | Magnetic recording medium |
JPS58114330A (ja) * | 1981-12-28 | 1983-07-07 | Denki Kagaku Kogyo Kk | 磁気記録媒体用磁性塗料 |
JPS58130435A (ja) * | 1982-01-29 | 1983-08-03 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS58137133A (ja) * | 1982-02-09 | 1983-08-15 | Fuji Photo Film Co Ltd | 磁気記録体 |
JPS58222433A (ja) * | 1982-06-17 | 1983-12-24 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
-
1983
- 1983-09-06 JP JP58162578A patent/JPS6055511A/ja active Pending
-
1984
- 1984-09-06 EP EP84110618A patent/EP0136590B1/de not_active Expired
- 1984-09-06 DE DE8484110618T patent/DE3473668D1/de not_active Expired
-
1986
- 1986-11-12 US US06/929,364 patent/US4695513A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0136590A1 (de) | 1985-04-10 |
EP0136590B1 (de) | 1988-08-24 |
US4695513A (en) | 1987-09-22 |
JPS6055511A (ja) | 1985-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |