CA1116478A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- CA1116478A CA1116478A CA000307326A CA307326A CA1116478A CA 1116478 A CA1116478 A CA 1116478A CA 000307326 A CA000307326 A CA 000307326A CA 307326 A CA307326 A CA 307326A CA 1116478 A CA1116478 A CA 1116478A
- Authority
- CA
- Canada
- Prior art keywords
- recording medium
- magnetic recording
- magnetic
- ferromagnetic
- weight
- 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
- G11B5/71—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
-
- 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
- Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
-
- 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]
-
- 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]
- Y10T428/31678—Of metal
- Y10T428/31717—Next to bituminous or tarry residue
-
- 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]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
-
- 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
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP86132/1977 | 1977-07-20 | ||
JP8613277A JPS5421806A (en) | 1977-07-20 | 1977-07-20 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1116478A true CA1116478A (en) | 1982-01-19 |
Family
ID=13878172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000307326A Expired CA1116478A (en) | 1977-07-20 | 1978-07-13 | Magnetic recording medium |
Country Status (3)
Country | Link |
---|---|
US (1) | US4201809A (US20110009641A1-20110113-C00185.png) |
JP (1) | JPS5421806A (US20110009641A1-20110113-C00185.png) |
CA (1) | CA1116478A (US20110009641A1-20110113-C00185.png) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3113859A1 (de) * | 1980-04-07 | 1982-01-28 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Magnetisches aufzeichnungsmaterial |
US4412929A (en) * | 1982-03-10 | 1983-11-01 | Lysenko Paul D | Magnetic wall covering composition |
JPS5924438A (ja) * | 1982-08-02 | 1984-02-08 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS5924437A (ja) * | 1982-08-02 | 1984-02-08 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS60119629A (ja) * | 1983-11-30 | 1985-06-27 | Sony Corp | 磁気記録媒体 |
JPS60224753A (ja) * | 1984-04-19 | 1985-11-09 | Fujitsu Ltd | ステンレス焼結材の製造方法 |
US4787993A (en) * | 1986-07-17 | 1988-11-29 | Mitsui Toatsu Chemicals, Incorporated | Lubricant |
IT1214563B (it) * | 1986-11-21 | 1990-01-18 | Ausimont Spa | Composizione a base di politetrafluoetilene idonea ad ottenere uno strato autolubrificante su supporti in bronzo poroso. |
DE3643935C2 (de) * | 1986-12-22 | 1995-07-06 | Henkel Kgaa | Synthetische Polyolester |
US5231294A (en) * | 1988-03-25 | 1993-07-27 | Hitachi, Ltd. | Manganese-aluminum and manganese-silicon magnetic films, and magnetic recording medium |
US5217810A (en) * | 1988-12-23 | 1993-06-08 | Basf Aktiengesellschaft | Magnetic recording medium having a magnetic layer containing chromium dioxide particles and linolenic acid |
JP2835699B2 (ja) * | 1994-12-13 | 1998-12-14 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JP2001236635A (ja) * | 2000-02-23 | 2001-08-31 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2654681A (en) * | 1950-01-27 | 1953-10-06 | Minnesota Mining & Mfg | Magnetic recording tape |
GB1080614A (en) * | 1966-04-21 | 1967-08-23 | Agfa Gevaert Nv | Magnetic recording material |
GB1153316A (en) * | 1966-08-30 | 1969-05-29 | Agfa Gevaert Nv | Improved Magnetic Recording Material |
US3634253A (en) * | 1966-10-24 | 1972-01-11 | Fuji Photo Film Co Ltd | Magnetic recording medium |
US3471415A (en) * | 1966-12-20 | 1969-10-07 | Honora Friedman | Magnetic inks containing lecithin as a surfactant |
US3497411A (en) * | 1968-03-14 | 1970-02-24 | Ibm | Method and materials for printing smooth magnetic layers |
DE1774584A1 (de) * | 1968-07-20 | 1972-01-05 | Agfa Gevaert Ag | Magnetischer Schichtspeicher |
JPS5729769B2 (US20110009641A1-20110113-C00185.png) * | 1974-02-15 | 1982-06-24 |
-
1977
- 1977-07-20 JP JP8613277A patent/JPS5421806A/ja active Granted
-
1978
- 1978-07-13 CA CA000307326A patent/CA1116478A/en not_active Expired
- 1978-07-18 US US05/925,694 patent/US4201809A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS6321255B2 (US20110009641A1-20110113-C00185.png) | 1988-05-06 |
US4201809A (en) | 1980-05-06 |
JPS5421806A (en) | 1979-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |