GB1450635A - Magnetic recording tapes - Google Patents
Magnetic recording tapesInfo
- Publication number
- GB1450635A GB1450635A GB3167974A GB3167974A GB1450635A GB 1450635 A GB1450635 A GB 1450635A GB 3167974 A GB3167974 A GB 3167974A GB 3167974 A GB3167974 A GB 3167974A GB 1450635 A GB1450635 A GB 1450635A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic recording
- gaum
- oersteds
- july
- flux density
- 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
- 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
- 239000010410 layer Substances 0.000 abstract 3
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 2
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 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
- 239000008199 coating composition Substances 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 239000002355 dual-layer Substances 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000006249 magnetic particle Substances 0.000 abstract 1
- 239000004006 olive oil Substances 0.000 abstract 1
- 235000008390 olive oil Nutrition 0.000 abstract 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 abstract 1
- 239000002245 particle 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
- 229920005749 polyurethane resin Polymers 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 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
- G11B5/716—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 two or more magnetic layers
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8214473A JPS5617734B2 (enrdf_load_stackoverflow) | 1973-07-19 | 1973-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1450635A true GB1450635A (en) | 1976-09-22 |
Family
ID=13766224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3167974A Expired GB1450635A (en) | 1973-07-19 | 1974-07-17 | Magnetic recording tapes |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040041A (en) * | 1997-04-05 | 2000-03-21 | Emtec Magnetics Gmbh | Magnetic recording medium |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5843815B2 (ja) * | 1975-10-23 | 1983-09-29 | 富士写真フイルム株式会社 | ジキキロクテ−プ |
| JPS5769528A (en) * | 1980-10-14 | 1982-04-28 | Tdk Corp | Magnetic recording medium |
| JPS5817539A (ja) * | 1981-07-21 | 1983-02-01 | Sony Corp | 磁気記録媒体 |
| JPS5856228A (ja) * | 1981-09-28 | 1983-04-02 | Sony Corp | 磁気記録媒体 |
| JPS59172142A (ja) * | 1983-03-20 | 1984-09-28 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JPS59172144A (ja) * | 1983-03-20 | 1984-09-28 | Hitachi Maxell Ltd | 磁気記録媒体 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL153374B (nl) * | 1966-10-05 | 1977-05-16 | Philips Nv | Werkwijze ter vervaardiging van een halfgeleiderinrichting voorzien van een oxydelaag en halfgeleiderinrichting vervaardigd volgens de werkwijze. |
-
1973
- 1973-07-19 JP JP8214473A patent/JPS5617734B2/ja not_active Expired
-
1974
- 1974-07-17 GB GB3167974A patent/GB1450635A/en not_active Expired
- 1974-07-18 CA CA205,021A patent/CA1029129A/en not_active Expired
- 1974-07-18 NL NL7409765A patent/NL7409765A/xx not_active Application Discontinuation
- 1974-07-19 IT IT2540474A patent/IT1017325B/it active
- 1974-07-19 BR BR598674A patent/BR7405986D0/pt unknown
- 1974-07-19 DE DE19742434940 patent/DE2434940A1/de active Pending
- 1974-07-19 FR FR7425256A patent/FR2238207B1/fr not_active Expired
- 1974-07-19 AT AT602074A patent/AT354761B/de not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040041A (en) * | 1997-04-05 | 2000-03-21 | Emtec Magnetics Gmbh | Magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| AT354761B (de) | 1979-01-25 |
| NL7409765A (nl) | 1975-01-21 |
| IT1017325B (it) | 1977-07-20 |
| CA1029129A (en) | 1978-04-04 |
| FR2238207A1 (enrdf_load_stackoverflow) | 1975-02-14 |
| JPS5031804A (enrdf_load_stackoverflow) | 1975-03-28 |
| ATA602074A (de) | 1979-06-15 |
| AU7136174A (en) | 1976-01-22 |
| DE2434940A1 (de) | 1975-02-06 |
| JPS5617734B2 (enrdf_load_stackoverflow) | 1981-04-24 |
| BR7405986D0 (pt) | 1975-05-13 |
| FR2238207B1 (enrdf_load_stackoverflow) | 1979-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19940716 |