ATE92662T1 - Magnetisches aufzeichungsmedium. - Google Patents
Magnetisches aufzeichungsmedium.Info
- Publication number
- ATE92662T1 ATE92662T1 AT89420400T AT89420400T ATE92662T1 AT E92662 T1 ATE92662 T1 AT E92662T1 AT 89420400 T AT89420400 T AT 89420400T AT 89420400 T AT89420400 T AT 89420400T AT E92662 T1 ATE92662 T1 AT E92662T1
- Authority
- AT
- Austria
- Prior art keywords
- mass
- magnetic recording
- magnetic
- binder
- particles
- Prior art date
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
- G11B5/71—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 lubricant
-
- 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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Liquid Crystal (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8814219A FR2639647B1 (fr) | 1988-10-18 | 1988-10-18 | Milieu d'enregistrement magnetique |
| EP89420400A EP0365448B1 (de) | 1988-10-18 | 1989-10-17 | Magnetisches Aufzeichungsmedium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE92662T1 true ATE92662T1 (de) | 1993-08-15 |
Family
ID=9371444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT89420400T ATE92662T1 (de) | 1988-10-18 | 1989-10-17 | Magnetisches aufzeichungsmedium. |
Country Status (7)
| Country | Link |
|---|---|
| EP (2) | EP0365448B1 (de) |
| JP (1) | JPH04501334A (de) |
| AT (1) | ATE92662T1 (de) |
| DE (1) | DE68908077T2 (de) |
| ES (1) | ES2043077T3 (de) |
| FR (1) | FR2639647B1 (de) |
| WO (1) | WO1990004842A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602006020262D1 (de) * | 2006-05-30 | 2011-04-07 | Mbn Nanomaterialia S P A | Verfahren zum mechanischen und chemischen Behandeln von Materialen, die zumindestens ein Polymer in flüssigem Zustand enthalten |
| JP4539723B2 (ja) | 2008-01-21 | 2010-09-08 | Dic株式会社 | 熱転写用積層体およびこれを用いた磁気記録媒体の製造方法 |
| JP4825278B2 (ja) * | 2009-02-27 | 2011-11-30 | Dic株式会社 | 貼合用積層体およびこれを用いた磁気記録媒体の製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1269660B (de) * | 1966-11-10 | 1968-06-06 | Ampex | Magnetischer Aufzeichnungstraeger |
| JPS57143737A (en) * | 1981-03-02 | 1982-09-06 | Fuji Photo Film Co Ltd | Manufacture of magnetic recording medium |
| JPS61168532A (ja) * | 1984-08-23 | 1986-07-30 | Sakai Chem Ind Co Ltd | 磁気記録用バリウムフェライト微結晶の製造方法 |
| FR2605623B1 (fr) * | 1986-10-23 | 1989-06-09 | Kodak Pathe | Procede de preparation de particules magnetiques d'hexaferrites, particules obtenues et produits les contenant |
-
1988
- 1988-10-18 FR FR8814219A patent/FR2639647B1/fr not_active Expired - Fee Related
-
1989
- 1989-10-17 AT AT89420400T patent/ATE92662T1/de not_active IP Right Cessation
- 1989-10-17 JP JP1511374A patent/JPH04501334A/ja active Pending
- 1989-10-17 ES ES89420400T patent/ES2043077T3/es not_active Expired - Lifetime
- 1989-10-17 DE DE89420400T patent/DE68908077T2/de not_active Expired - Fee Related
- 1989-10-17 EP EP89420400A patent/EP0365448B1/de not_active Expired - Lifetime
- 1989-10-17 EP EP89912248A patent/EP0440716A1/de active Pending
- 1989-10-17 WO PCT/FR1989/000538 patent/WO1990004842A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE68908077D1 (de) | 1993-09-09 |
| EP0365448B1 (de) | 1993-08-04 |
| EP0440716A1 (de) | 1991-08-14 |
| FR2639647A1 (fr) | 1990-06-01 |
| FR2639647B1 (fr) | 1990-09-21 |
| EP0365448A2 (de) | 1990-04-25 |
| ES2043077T3 (es) | 1993-12-16 |
| JPH04501334A (ja) | 1992-03-05 |
| WO1990004842A1 (fr) | 1990-05-03 |
| DE68908077T2 (de) | 1994-03-10 |
| EP0365448A3 (en) | 1990-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |