GB1466798A - Process for the manufacture of magnetic recording discs - Google Patents
Process for the manufacture of magnetic recording discsInfo
- Publication number
- GB1466798A GB1466798A GB1642274A GB1642274A GB1466798A GB 1466798 A GB1466798 A GB 1466798A GB 1642274 A GB1642274 A GB 1642274A GB 1642274 A GB1642274 A GB 1642274A GB 1466798 A GB1466798 A GB 1466798A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic
- coating
- resin
- binder
- disc
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000576 coating method Methods 0.000 abstract 6
- 239000011248 coating agent Substances 0.000 abstract 5
- -1 methylol groups Chemical group 0.000 abstract 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
- 239000011230 binding agent Substances 0.000 abstract 3
- 239000008199 coating composition Substances 0.000 abstract 3
- 239000000049 pigment Substances 0.000 abstract 3
- 239000002904 solvent Substances 0.000 abstract 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 abstract 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 abstract 2
- 239000003822 epoxy resin Substances 0.000 abstract 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 229920000647 polyepoxide Polymers 0.000 abstract 2
- 229920001296 polysiloxane Polymers 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229910000838 Al alloy Inorganic materials 0.000 abstract 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000004593 Epoxy Substances 0.000 abstract 1
- 229920000877 Melamine resin Polymers 0.000 abstract 1
- 229910001566 austenite Inorganic materials 0.000 abstract 1
- 229940106691 bisphenol a Drugs 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 239000010431 corundum Substances 0.000 abstract 1
- 239000006247 magnetic powder Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 abstract 1
- POSICDHOUBKJKP-UHFFFAOYSA-N prop-2-enoxybenzene Chemical compound C=CCOC1=CC=CC=C1 POSICDHOUBKJKP-UHFFFAOYSA-N 0.000 abstract 1
- 229920003987 resole Polymers 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000009498 subcoating Methods 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
- G11B5/62—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
- G11B5/702—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 bonding agent
- G11B5/7023—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 bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
Landscapes
- 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 |
|---|---|---|---|
| DE19732319363 DE2319363C3 (de) | 1973-04-17 | Verfahren zur Herstellung magneti- ' scher Aufzeichnungsplatten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1466798A true GB1466798A (en) | 1977-03-09 |
Family
ID=5878370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1642274A Expired GB1466798A (en) | 1973-04-17 | 1974-04-16 | Process for the manufacture of magnetic recording discs |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5716413B2 (enrdf_load_stackoverflow) |
| BE (1) | BE813834A (enrdf_load_stackoverflow) |
| FR (1) | FR2226719B3 (enrdf_load_stackoverflow) |
| GB (1) | GB1466798A (enrdf_load_stackoverflow) |
| IT (1) | IT1005968B (enrdf_load_stackoverflow) |
| NL (1) | NL179616C (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5693122A (en) * | 1979-12-24 | 1981-07-28 | Fujitsu Ltd | Magnetic recording medium having lubricated magnetic recording layer |
| JPS62182309U (enrdf_load_stackoverflow) * | 1986-05-09 | 1987-11-19 |
-
1974
- 1974-04-09 NL NL7404833A patent/NL179616C/xx not_active IP Right Cessation
- 1974-04-10 JP JP4012774A patent/JPS5716413B2/ja not_active Expired
- 1974-04-16 IT IT5041074A patent/IT1005968B/it active
- 1974-04-16 GB GB1642274A patent/GB1466798A/en not_active Expired
- 1974-04-17 BE BE143302A patent/BE813834A/xx not_active IP Right Cessation
- 1974-04-17 FR FR7413308A patent/FR2226719B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2319363B2 (de) | 1977-06-30 |
| BE813834A (fr) | 1974-10-17 |
| DE2319363A1 (de) | 1974-11-07 |
| NL179616B (nl) | 1986-05-01 |
| JPS5716413B2 (enrdf_load_stackoverflow) | 1982-04-05 |
| JPS503309A (enrdf_load_stackoverflow) | 1975-01-14 |
| NL7404833A (enrdf_load_stackoverflow) | 1974-10-21 |
| FR2226719B3 (enrdf_load_stackoverflow) | 1977-02-18 |
| IT1005968B (it) | 1976-09-30 |
| NL179616C (nl) | 1986-10-01 |
| FR2226719A1 (enrdf_load_stackoverflow) | 1974-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |