NL257041A - - Google Patents
Info
- Publication number
- NL257041A NL257041A NL257041DA NL257041A NL 257041 A NL257041 A NL 257041A NL 257041D A NL257041D A NL 257041DA NL 257041 A NL257041 A NL 257041A
- Authority
- NL
- Netherlands
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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/842—Coating a support with a liquid magnetic dispersion
- G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
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- 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
-
- 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
- G11B5/706—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 composition of the magnetic material
- G11B5/70626—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 composition of the magnetic material containing non-metallic substances
- G11B5/70636—CrO2
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- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/58—Processes of forming magnets
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US847974A US3080319A (en) | 1959-10-22 | 1959-10-22 | Magnetic recording members and their preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL257041A true NL257041A (US20030204162A1-20031030-M00001.png) |
Family
ID=25301998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL257041D NL257041A (US20030204162A1-20031030-M00001.png) | 1959-10-22 |
Country Status (5)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243260A (en) * | 1961-06-12 | 1966-03-29 | Matsushita Electric Ind Co Ltd | Method for preparing cro2 of rutile type crystalline structure |
| DE1238072B (de) * | 1964-02-14 | 1967-04-06 | Agfa Ag | Schichtfoermiger Magnetspeicher |
| US3419420A (en) * | 1964-11-02 | 1968-12-31 | Eastman Kodak Co | Magnetic coating compositions |
| US3278263A (en) * | 1964-11-27 | 1966-10-11 | Du Pont | Ferromagnetic chromium dioxide and preparation thereof |
| US3484286A (en) * | 1966-12-05 | 1969-12-16 | Reeves Ind Inc | High temperature magnetic tape |
| US3510489A (en) * | 1968-07-31 | 1970-05-05 | Ibm | Web fabrication process |
| US3867299A (en) * | 1971-08-11 | 1975-02-18 | Bethlehem Steel Corp | Method of making synthetic resin composites with magnetic fillers |
| EP0043882A1 (en) * | 1980-07-16 | 1982-01-20 | Kodak-Pathe | Magnetic recording element, process for making the same and its use in recording |
| US4547534A (en) * | 1983-03-18 | 1985-10-15 | Memorex Corporation | Method to disperse fine solids without size reduction |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA577428A (en) * | 1959-06-09 | E.I. Du Pont De Nemours And Company | Preparation of ferromagnetic chromium oxide | |
| US2694656A (en) * | 1947-07-25 | 1954-11-16 | Armour Res Found | Magnetic impulse record member, magnetic material, and method of making magnetic material |
| US2796359A (en) * | 1952-07-05 | 1957-06-18 | Audio Devices Inc | Production of magnetic sound recording tape |
| US2849312A (en) * | 1954-02-01 | 1958-08-26 | Milton J Peterman | Method of aligning magnetic particles in a non-magnetic matrix |
| US2937028A (en) * | 1954-06-17 | 1960-05-17 | Kane Corp Du | Plastic belt for sound recording and reproducing |
| US2883301A (en) * | 1955-08-17 | 1959-04-21 | Celanese Corp | Magnetic recording tape |
| US2900282A (en) * | 1956-07-20 | 1959-08-18 | Sperry Rand Corp | Method of treating magnetic material and resulting articles |
| US2911317A (en) * | 1957-08-19 | 1959-11-03 | Minnesota Mining & Mfg | Magnetic recording media |
| US2975484A (en) * | 1959-09-02 | 1961-03-21 | Du Pont | Process for producing films |
-
0
- NL NL257041D patent/NL257041A/xx unknown
-
1959
- 1959-10-22 US US847974A patent/US3080319A/en not_active Expired - Lifetime
-
1960
- 1960-10-20 BE BE596224A patent/BE596224A/fr unknown
- 1960-10-21 GB GB36157/60A patent/GB899483A/en not_active Expired
-
1965
- 1965-09-23 FR FR841867A patent/FR1273085A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE596224A (fr) | 1961-04-20 |
| GB899483A (en) | 1962-06-20 |
| US3080319A (en) | 1963-03-05 |
| FR1273085A (fr) | 1961-10-06 |
