GB1445876A - Magnetic recording elements and their production - Google Patents
Magnetic recording elements and their productionInfo
- Publication number
- GB1445876A GB1445876A GB4533473A GB4533473A GB1445876A GB 1445876 A GB1445876 A GB 1445876A GB 4533473 A GB4533473 A GB 4533473A GB 4533473 A GB4533473 A GB 4533473A GB 1445876 A GB1445876 A GB 1445876A
- Authority
- GB
- United Kingdom
- Prior art keywords
- support
- sept
- coating
- magnetic recording
- recording elements
- 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 2
- 239000011347 resin Substances 0.000 abstract 3
- 229920005989 resin Polymers 0.000 abstract 3
- 239000011230 binding agent Substances 0.000 abstract 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 125000003700 epoxy group Chemical group 0.000 abstract 2
- 229920003023 plastic Polymers 0.000 abstract 2
- 239000004033 plastic Substances 0.000 abstract 2
- -1 polyethylene terephthalate Polymers 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 239000004698 Polyethylene Substances 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 239000000696 magnetic material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 1
- 229920002554 vinyl polymer Polymers 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)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2975172A IT967927B (it) | 1972-09-27 | 1972-09-27 | Procedimento di fabbricazione di elementi per la registrazione magnetica |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1445876A true GB1445876A (en) | 1976-08-11 |
Family
ID=11228371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4533473A Expired GB1445876A (en) | 1972-09-27 | 1973-09-27 | Magnetic recording elements and their production |
Country Status (10)
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1784470A (en) * | 1969-08-01 | 1972-01-27 | Rca Corporation | Magnetic recording members and their preparation |
-
1972
- 1972-09-27 IT IT2975172A patent/IT967927B/it active
- 1972-12-04 AT AT1027372A patent/AT325323B/de not_active IP Right Cessation
-
1973
- 1973-09-27 DE DE19732348661 patent/DE2348661A1/de active Pending
- 1973-09-27 CA CA182,042A patent/CA1002821A/en not_active Expired
- 1973-09-27 GB GB4533473A patent/GB1445876A/en not_active Expired
- 1973-09-27 JP JP10808773A patent/JPS49134307A/ja active Pending
- 1973-09-27 FR FR7334685A patent/FR2209158B1/fr not_active Expired
- 1973-09-27 NL NL7313308A patent/NL7313308A/xx unknown
- 1973-09-27 BE BE136126A patent/BE805410A/xx unknown
-
1975
- 1975-09-27 ES ES419135A patent/ES419135A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2209158B1 (enrdf_load_stackoverflow) | 1977-09-09 |
| NL7313308A (enrdf_load_stackoverflow) | 1974-03-29 |
| DE2348661A1 (de) | 1974-04-11 |
| IT967927B (it) | 1974-03-11 |
| ES419135A1 (es) | 1976-06-16 |
| CA1002821A (en) | 1977-01-04 |
| AT325323B (de) | 1975-10-10 |
| JPS49134307A (enrdf_load_stackoverflow) | 1974-12-24 |
| BE805410A (fr) | 1974-01-16 |
| FR2209158A1 (enrdf_load_stackoverflow) | 1974-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |