CA995068A - Manufacture of flexible magnetic recording media - Google Patents
Manufacture of flexible magnetic recording mediaInfo
- Publication number
- CA995068A CA995068A CA179,850A CA179850A CA995068A CA 995068 A CA995068 A CA 995068A CA 179850 A CA179850 A CA 179850A CA 995068 A CA995068 A CA 995068A
- Authority
- CA
- Canada
- Prior art keywords
- manufacture
- magnetic recording
- recording media
- flexible magnetic
- flexible
- 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
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
- G11B5/7021—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 a polyurethane or a polyisocyanate
- G11B5/7022—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 a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2242499A DE2242499C3 (en) | 1972-08-30 | 1972-08-30 | Process for the production of flexible sheet magnetogram carriers |
Publications (1)
Publication Number | Publication Date |
---|---|
CA995068A true CA995068A (en) | 1976-08-17 |
Family
ID=5854917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA179,850A Expired CA995068A (en) | 1972-08-30 | 1973-08-28 | Manufacture of flexible magnetic recording media |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA995068A (en) |
DE (1) | DE2242499C3 (en) |
FR (1) | FR2198201B1 (en) |
GB (1) | GB1445152A (en) |
IT (1) | IT990349B (en) |
NL (1) | NL185313C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0762892B2 (en) * | 1984-06-08 | 1995-07-05 | ティーディーケイ株式会社 | Magnetic recording medium for image recording |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE617295A (en) * | 1962-01-22 | 1962-10-29 | Gevaert Photo Prod Nv | Magnetic recording material. |
GB1006140A (en) * | 1963-07-26 | 1965-09-29 | Gevaert Photo Prod Nv | Magnetic recording medium |
NL131590C (en) * | 1963-09-13 | 1900-01-01 | ||
US3493567A (en) * | 1968-01-22 | 1970-02-03 | Dart Ind Inc | Substituted diazocinophenothiazines |
GB1305392A (en) * | 1969-03-14 | 1973-01-31 |
-
1972
- 1972-08-30 DE DE2242499A patent/DE2242499C3/en not_active Expired
-
1973
- 1973-08-28 CA CA179,850A patent/CA995068A/en not_active Expired
- 1973-08-28 NL NLAANVRAGE7311836,A patent/NL185313C/en not_active IP Right Cessation
- 1973-08-29 GB GB4066773A patent/GB1445152A/en not_active Expired
- 1973-08-29 IT IT52228/73A patent/IT990349B/en active
- 1973-08-30 FR FR7331406A patent/FR2198201B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL185313B (en) | 1989-10-02 |
GB1445152A (en) | 1976-08-04 |
FR2198201B1 (en) | 1977-05-13 |
DE2242499B2 (en) | 1980-11-13 |
FR2198201A1 (en) | 1974-03-29 |
DE2242499A1 (en) | 1974-03-07 |
DE2242499C3 (en) | 1981-08-20 |
NL7311836A (en) | 1974-03-04 |
NL185313C (en) | 1990-03-01 |
IT990349B (en) | 1975-06-20 |
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