GB1481074A - Magnetic recording media - Google Patents
Magnetic recording mediaInfo
- Publication number
- GB1481074A GB1481074A GB4308474A GB4308474A GB1481074A GB 1481074 A GB1481074 A GB 1481074A GB 4308474 A GB4308474 A GB 4308474A GB 4308474 A GB4308474 A GB 4308474A GB 1481074 A GB1481074 A GB 1481074A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lubricant
- oct
- magnetic recording
- recording media
- binder
- 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
- 239000011230 binding agent Substances 0.000 abstract 3
- 239000000314 lubricant Substances 0.000 abstract 2
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 125000002877 alkyl aryl group Chemical group 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- -1 polysiloxane Polymers 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6581—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
- C07F9/65812—Cyclic phosphazenes [P=N-]n, n>=3
- C07F9/65815—Cyclic phosphazenes [P=N-]n, n>=3 n = 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6581—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
- C07F9/65812—Cyclic phosphazenes [P=N-]n, n>=3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/5399—Phosphorus bound to nitrogen
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31609—Particulate metal or metal compound-containing
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2350062A DE2350062C3 (de) | 1973-10-05 | 1973-10-05 | Schichtmagnetogrammträger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1481074A true GB1481074A (en) | 1977-07-27 |
Family
ID=5894613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4308474A Expired GB1481074A (en) | 1973-10-05 | 1974-10-04 | Magnetic recording media |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4018967A (enExample) |
| JP (1) | JPS5723930B2 (enExample) |
| BE (1) | BE820767A (enExample) |
| DE (1) | DE2350062C3 (enExample) |
| FR (1) | FR2246927B3 (enExample) |
| GB (1) | GB1481074A (enExample) |
| IT (1) | IT1019425B (enExample) |
| NL (1) | NL7413078A (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5831655B2 (ja) * | 1978-03-20 | 1983-07-07 | 日本ビクター株式会社 | 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 |
| JPS567233A (en) * | 1979-06-25 | 1981-01-24 | Tdk Corp | Magnetic recording medium |
| DE3127884A1 (de) * | 1981-07-15 | 1983-02-03 | Agfa-Gevaert Ag, 5090 Leverkusen | Magnetisches speichermedium |
| US4507217A (en) * | 1983-03-07 | 1985-03-26 | Lipid Specialties, Inc. | Magnetic compositions and magnetic memory devices prepared therefrom |
| US4717493A (en) * | 1983-05-17 | 1988-01-05 | Unisys Corporation | Preparation of magnetic coating |
| US4613548A (en) * | 1985-02-11 | 1986-09-23 | Ethyl Corporation | Polyphosphazene magnetic tape lube |
| US4601843A (en) * | 1985-04-02 | 1986-07-22 | Borg-Warner Chemicals, Inc. | Phosphazene based functional fluid compositions |
| JPS63258993A (ja) * | 1987-04-16 | 1988-10-26 | Hitachi Metals Ltd | 薄膜潤滑用合成潤滑剤及び磁気記録媒体 |
| US5587217A (en) * | 1994-07-01 | 1996-12-24 | Hmt Technology Corporation | Lubricant composition and method |
| US6753060B1 (en) | 2001-05-04 | 2004-06-22 | Seagate Technology Llc | Method for improving performance of thin film recording media and media obtained thereby |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1005754B (de) * | 1953-09-29 | 1957-04-04 | Philips Nv | Magnetischer Schalltraeger |
| US3492235A (en) * | 1964-12-30 | 1970-01-27 | Sony Corp | Magnetic recording medium and method of making same |
| GB1160434A (en) * | 1966-05-31 | 1969-08-06 | Agfa Gevaert Nv | Improved Magnetic Recording Material. |
| US3719525A (en) * | 1969-01-09 | 1973-03-06 | Control Data Corp | Magnetic record members having a protective recording surface and method of making |
| US3692884A (en) * | 1969-02-07 | 1972-09-19 | Edwin R Gaskell | Phosphate esters |
| US3625760A (en) * | 1970-02-27 | 1971-12-07 | Rca Corp | Magnetic recording medium with lubricant |
| US3704152A (en) * | 1970-09-10 | 1972-11-28 | Basf Ag | Magnetic recording media |
| US3778308B1 (en) * | 1970-12-18 | 1991-06-04 | Magnetic storage device coating and process | |
| DE2101697A1 (de) * | 1971-01-15 | 1972-07-20 | Basf Ag | Verfahren zur Herstellung von magnetischen Aufzeichnungsträgern |
-
1973
- 1973-10-05 DE DE2350062A patent/DE2350062C3/de not_active Expired
-
1974
- 1974-09-19 US US05/507,466 patent/US4018967A/en not_active Expired - Lifetime
- 1974-09-27 IT IT5325674A patent/IT1019425B/it active
- 1974-10-03 JP JP11338074A patent/JPS5723930B2/ja not_active Expired
- 1974-10-03 NL NL7413078A patent/NL7413078A/xx not_active Application Discontinuation
- 1974-10-04 GB GB4308474A patent/GB1481074A/en not_active Expired
- 1974-10-04 FR FR7433513A patent/FR2246927B3/fr not_active Expired
- 1974-10-07 BE BE149268A patent/BE820767A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5065201A (enExample) | 1975-06-02 |
| BE820767A (fr) | 1975-04-07 |
| DE2350062B2 (de) | 1981-04-30 |
| IT1019425B (it) | 1977-11-10 |
| US4018967A (en) | 1977-04-19 |
| JPS5723930B2 (enExample) | 1982-05-21 |
| FR2246927A1 (enExample) | 1975-05-02 |
| FR2246927B3 (enExample) | 1977-07-15 |
| NL7413078A (nl) | 1975-04-08 |
| DE2350062A1 (de) | 1975-04-17 |
| DE2350062C3 (de) | 1982-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |