GB1416200A - Process and apparatus for the production of magnetic recording meida - Google Patents
Process and apparatus for the production of magnetic recording meidaInfo
- Publication number
- GB1416200A GB1416200A GB5664072A GB5664072A GB1416200A GB 1416200 A GB1416200 A GB 1416200A GB 5664072 A GB5664072 A GB 5664072A GB 5664072 A GB5664072 A GB 5664072A GB 1416200 A GB1416200 A GB 1416200A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- support
- drying
- flat surface
- dispersion
- 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
- 230000005291 magnetic effect Effects 0.000 title abstract 10
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- HVYLDJKDVOOTHV-UHFFFAOYSA-N acetic acid;2-iminoethanethiol Chemical compound CC(O)=O.CC(O)=O.SCC=N HVYLDJKDVOOTHV-UHFFFAOYSA-N 0.000 title 1
- 239000006185 dispersion Substances 0.000 abstract 5
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 238000001035 drying Methods 0.000 abstract 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract 2
- 229920001577 copolymer Polymers 0.000 abstract 2
- 230000005670 electromagnetic radiation Effects 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 239000006249 magnetic particle Substances 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 229920003180 amino resin Polymers 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229940090961 chromium dioxide Drugs 0.000 abstract 1
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 abstract 1
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 abstract 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000013034 phenoxy resin Substances 0.000 abstract 1
- 229920006287 phenoxy resin Polymers 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 229920000515 polycarbonate Polymers 0.000 abstract 1
- 239000004417 polycarbonate Substances 0.000 abstract 1
- 229920000647 polyepoxide Polymers 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 229920001225 polyester resin Polymers 0.000 abstract 1
- 239000004645 polyester resin Substances 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712161083 DE2161083A1 (de) | 1971-12-09 | 1971-12-09 | Verfahren und vorrichtung zur herstellung bandfoermiger magnetogrammtraeger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1416200A true GB1416200A (en) | 1975-12-03 |
Family
ID=5827499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5664072A Expired GB1416200A (en) | 1971-12-09 | 1972-12-08 | Process and apparatus for the production of magnetic recording meida |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4866402A (enExample) |
| BR (1) | BR7208674D0 (enExample) |
| CA (1) | CA988787A (enExample) |
| DE (1) | DE2161083A1 (enExample) |
| FR (1) | FR2162608A1 (enExample) |
| GB (1) | GB1416200A (enExample) |
| IT (1) | IT973973B (enExample) |
| NL (1) | NL7216641A (enExample) |
| PL (1) | PL79152B1 (enExample) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4578280A (en) * | 1983-03-08 | 1986-03-25 | Agfa-Gevaert Aktiengesellschaft | Process for the production of a magnetic recording material with perpendicular orientation |
| EP0147746A3 (en) * | 1983-12-16 | 1987-01-07 | Nissin High-Voltage Co., Ltd. | Electron beam irradiation apparatus |
| US4645686A (en) * | 1983-11-10 | 1987-02-24 | Bellmatic, Ltd. | Method for smoothing magnetic recording media |
| US4678682A (en) * | 1982-05-20 | 1987-07-07 | Fuji Photo Film Co., Ltd. | Process for producing magnetic recording medium |
| US4696831A (en) * | 1985-02-14 | 1987-09-29 | Hitachi, Ltd. | Method of orienting magnetic disc by magnetic field |
| US4874633A (en) * | 1985-10-18 | 1989-10-17 | Fuji Photo Film Co., Ltd. | Method of producing magnetic recording medium |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52141612A (en) * | 1976-05-20 | 1977-11-26 | Hitachi Maxell | Method of producing magnetic recording media |
| JPS5410205U (enExample) * | 1977-06-24 | 1979-01-23 | ||
| DE2741341B2 (de) * | 1977-09-14 | 1980-02-14 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von magnetischen Aufzeichnungsträgern |
| JPS56117336A (en) * | 1980-02-19 | 1981-09-14 | Sony Corp | Manufacture of magnetic recording medium |
| JPS56119938A (en) * | 1980-02-22 | 1981-09-19 | Sony Corp | Production of magnetic recording medium |
| DE3010873A1 (de) * | 1980-03-21 | 1981-10-01 | Basf Ag, 6700 Ludwigshafen | Magnetisierungseinrichtung zur erzeugung einer magnetischen vorzugsrichtung in magnetischen aufzeichnungstraegern |
| JPS57113657U (enExample) * | 1980-12-29 | 1982-07-14 | ||
| EP0094452A3 (en) * | 1982-05-19 | 1986-01-02 | International Business Machines Corporation | Production of magnetic recording medium with vertically oriented acicular particles |
| JPH06103530B2 (ja) * | 1982-05-20 | 1994-12-14 | 富士写真フイルム株式会社 | 磁気記録媒体の製法 |
| JPH0656656B2 (ja) * | 1983-10-03 | 1994-07-27 | 富士写真フイルム株式会社 | 磁気記録媒体の製造方法 |
-
1971
- 1971-12-09 DE DE19712161083 patent/DE2161083A1/de active Pending
-
1972
- 1972-12-07 PL PL15936372A patent/PL79152B1/pl unknown
- 1972-12-07 IT IT5458172A patent/IT973973B/it active
- 1972-12-07 JP JP47122102A patent/JPS4866402A/ja active Pending
- 1972-12-07 NL NL7216641A patent/NL7216641A/xx unknown
- 1972-12-08 BR BR867472A patent/BR7208674D0/pt unknown
- 1972-12-08 FR FR7243809A patent/FR2162608A1/fr not_active Withdrawn
- 1972-12-08 GB GB5664072A patent/GB1416200A/en not_active Expired
- 1972-12-11 CA CA159,037A patent/CA988787A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678682A (en) * | 1982-05-20 | 1987-07-07 | Fuji Photo Film Co., Ltd. | Process for producing magnetic recording medium |
| US4578280A (en) * | 1983-03-08 | 1986-03-25 | Agfa-Gevaert Aktiengesellschaft | Process for the production of a magnetic recording material with perpendicular orientation |
| US4645686A (en) * | 1983-11-10 | 1987-02-24 | Bellmatic, Ltd. | Method for smoothing magnetic recording media |
| EP0147746A3 (en) * | 1983-12-16 | 1987-01-07 | Nissin High-Voltage Co., Ltd. | Electron beam irradiation apparatus |
| US4696831A (en) * | 1985-02-14 | 1987-09-29 | Hitachi, Ltd. | Method of orienting magnetic disc by magnetic field |
| US4874633A (en) * | 1985-10-18 | 1989-10-17 | Fuji Photo Film Co., Ltd. | Method of producing magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| IT973973B (it) | 1974-06-10 |
| NL7216641A (enExample) | 1973-06-13 |
| PL79152B1 (enExample) | 1975-06-30 |
| JPS4866402A (enExample) | 1973-09-12 |
| BR7208674D0 (pt) | 1973-09-27 |
| FR2162608A1 (enExample) | 1973-07-20 |
| CA988787A (en) | 1976-05-11 |
| DE2161083A1 (de) | 1973-06-14 |
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| GB1416200A (en) | Process and apparatus for the production of magnetic recording meida | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |