GB1448593A - Manufacture of magnetic discs with thin magnetic coatings - Google Patents
Manufacture of magnetic discs with thin magnetic coatingsInfo
- Publication number
- GB1448593A GB1448593A GB5206373A GB5206373A GB1448593A GB 1448593 A GB1448593 A GB 1448593A GB 5206373 A GB5206373 A GB 5206373A GB 5206373 A GB5206373 A GB 5206373A GB 1448593 A GB1448593 A GB 1448593A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- curable
- binder
- coating
- pigment
- 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
- 238000000576 coating method Methods 0.000 title abstract 6
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000049 pigment Substances 0.000 abstract 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 6
- 239000011230 binding agent Substances 0.000 abstract 5
- 239000011248 coating agent Substances 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 4
- 229920000647 polyepoxide Polymers 0.000 abstract 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
- 239000003822 epoxy resin Substances 0.000 abstract 3
- 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 3
- 229910052751 metal Inorganic materials 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000006185 dispersion Substances 0.000 abstract 2
- 229920001568 phenolic resin Polymers 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- DOKVLJLABBCKOJ-UHFFFAOYSA-N 6-hydrazinyl-1,3,5-triazine-2,4-diamine Chemical compound NNC1=NC(N)=NC(N)=N1 DOKVLJLABBCKOJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052580 B4C Inorganic materials 0.000 abstract 1
- 229920000877 Melamine resin Polymers 0.000 abstract 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 abstract 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 1
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 abstract 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 abstract 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract 1
- 229910000423 chromium oxide Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 abstract 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000005011 phenolic resin Substances 0.000 abstract 1
- 150000002989 phenols Chemical class 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- 229920000515 polycarbonate Polymers 0.000 abstract 1
- 239000004417 polycarbonate Substances 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 229920002635 polyurethane Polymers 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910010271 silicon carbide Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000004408 titanium dioxide Substances 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 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
-
- 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
- G11B5/708—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 addition of non-magnetic particles to the layer
- G11B5/7085—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 addition of non-magnetic particles to the layer non-magnetic abrasive particles
Landscapes
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722254981 DE2254981A1 (de) | 1972-11-10 | 1972-11-10 | Verfahren zur herstellung von magnetplatten mit duennen magnetschichten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1448593A true GB1448593A (en) | 1976-09-08 |
Family
ID=5861309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5206373A Expired GB1448593A (en) | 1972-11-10 | 1973-11-09 | Manufacture of magnetic discs with thin magnetic coatings |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS50803A (enrdf_load_stackoverflow) |
| BE (1) | BE807105A (enrdf_load_stackoverflow) |
| DE (1) | DE2254981A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2206548B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1448593A (enrdf_load_stackoverflow) |
| IT (1) | IT996425B (enrdf_load_stackoverflow) |
| NL (1) | NL7315209A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4581296A (en) * | 1984-03-02 | 1986-04-08 | Basf Aktiengesellschaft | Magnetic recording media |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067682A (en) * | 1975-08-01 | 1978-01-10 | Nichols Engineering & Research Corporation | Oil burner system |
| JPS5260308U (enrdf_load_stackoverflow) * | 1975-10-28 | 1977-05-02 | ||
| JPS5613525A (en) * | 1979-07-16 | 1981-02-09 | Tdk Corp | Magnetic recording medium |
| JPS5724027A (en) * | 1980-07-16 | 1982-02-08 | Tdk Corp | Magnetic recording medium |
| FR2638000B1 (fr) * | 1988-10-18 | 1990-12-14 | Kodak Pathe | Carte a memoire magnetique a grande capacite et procede de fabrication |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1804393A1 (de) * | 1968-10-22 | 1970-05-27 | Basf Ag | Verfahren zur Herstellung von magnetischen Aufzeichnungstraegern |
| CH506155A (de) * | 1969-04-14 | 1971-04-15 | Ibm | Magnetische Datenspeichervorrichtung |
-
1972
- 1972-11-10 DE DE19722254981 patent/DE2254981A1/de active Pending
-
1973
- 1973-11-06 NL NL7315209A patent/NL7315209A/xx not_active Application Discontinuation
- 1973-11-08 FR FR7339706A patent/FR2206548B1/fr not_active Expired
- 1973-11-09 GB GB5206373A patent/GB1448593A/en not_active Expired
- 1973-11-09 IT IT5360873A patent/IT996425B/it active
- 1973-11-09 JP JP12556873A patent/JPS50803A/ja active Pending
- 1973-11-09 BE BE137560A patent/BE807105A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4581296A (en) * | 1984-03-02 | 1986-04-08 | Basf Aktiengesellschaft | Magnetic recording media |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2206548B1 (enrdf_load_stackoverflow) | 1979-02-23 |
| NL7315209A (enrdf_load_stackoverflow) | 1974-05-14 |
| BE807105A (fr) | 1974-05-09 |
| IT996425B (it) | 1975-12-10 |
| JPS50803A (enrdf_load_stackoverflow) | 1975-01-07 |
| FR2206548A1 (enrdf_load_stackoverflow) | 1974-06-07 |
| DE2254981A1 (de) | 1974-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |