IT952402B - Supporti di registrazione magnetici - Google Patents
Supporti di registrazione magneticiInfo
- Publication number
- IT952402B IT952402B IT49248/72A IT4924872A IT952402B IT 952402 B IT952402 B IT 952402B IT 49248/72 A IT49248/72 A IT 49248/72A IT 4924872 A IT4924872 A IT 4924872A IT 952402 B IT952402 B IT 952402B
- Authority
- IT
- Italy
- Prior art keywords
- magnetic recording
- recording media
- media
- magnetic
- recording
- 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
- G11B5/702—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712114611 DE2114611A1 (de) | 1971-03-26 | 1971-03-26 | Magnetische Aufzeichnungsträger |
Publications (1)
Publication Number | Publication Date |
---|---|
IT952402B true IT952402B (it) | 1973-07-20 |
Family
ID=5802789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49248/72A IT952402B (it) | 1971-03-26 | 1972-03-25 | Supporti di registrazione magnetici |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE781192A (enrdf_load_stackoverflow) |
CA (1) | CA969433A (enrdf_load_stackoverflow) |
DE (1) | DE2114611A1 (enrdf_load_stackoverflow) |
FR (1) | FR2130654B1 (enrdf_load_stackoverflow) |
GB (1) | GB1375295A (enrdf_load_stackoverflow) |
IT (1) | IT952402B (enrdf_load_stackoverflow) |
NL (1) | NL7203689A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3151590A1 (de) | 1981-12-28 | 1983-07-07 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung magnetischer aufzeichnungstraeger |
DE3927659A1 (de) * | 1989-08-22 | 1991-02-28 | Basf Ag | Magnetische aufzeichnungstraeger |
US6720025B2 (en) | 2002-07-01 | 2004-04-13 | 3M Innovative Properties Company | Slot extrusion coating methods |
-
1971
- 1971-03-26 DE DE19712114611 patent/DE2114611A1/de active Pending
-
1972
- 1972-03-20 NL NL7203689A patent/NL7203689A/xx not_active Application Discontinuation
- 1972-03-23 CA CA137,987A patent/CA969433A/en not_active Expired
- 1972-03-24 BE BE781192A patent/BE781192A/xx unknown
- 1972-03-24 FR FR7210376A patent/FR2130654B1/fr not_active Expired
- 1972-03-24 GB GB1382672A patent/GB1375295A/en not_active Expired
- 1972-03-25 IT IT49248/72A patent/IT952402B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1375295A (enrdf_load_stackoverflow) | 1974-11-27 |
BE781192A (fr) | 1972-09-25 |
FR2130654B1 (enrdf_load_stackoverflow) | 1975-04-25 |
CA969433A (en) | 1975-06-17 |
DE2114611A1 (de) | 1972-10-05 |
NL7203689A (enrdf_load_stackoverflow) | 1972-09-28 |
FR2130654A1 (enrdf_load_stackoverflow) | 1972-11-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5282210A (en) | Information recording media | |
NO140574C (no) | Kapslet magnetisk opptegningsanordning. | |
CA980184A (en) | Magnetic recording element | |
CH539909A (de) | Magnetischer Aufzeichnungsträger | |
IT955734B (it) | Apparato magnetico di registrazio ne e o di riproduzione | |
BE761579A (fr) | Milieu d'enregistrement magnetique | |
IT958799B (it) | Scheda per registrazione di informa zioni | |
SE387459B (sv) | Medium for magnetisk uppteckning | |
IT971133B (it) | Sistema di registrazione perfe zionato | |
IT954376B (it) | Apparecchio di registrazione e oppure riproduzione magnetica | |
IT960880B (it) | Apparecchio di registrazione e oppure riproduzione magnetica | |
CH541836A (de) | Magnetisches Aufzeichnungsblatt | |
IT955965B (it) | Apparato magnetico di registrazio ne e di riproduzione | |
BE807421A (fr) | Supports d'enregistrements magnetiques | |
IT952402B (it) | Supporti di registrazione magnetici | |
IT973607B (it) | Apparecchio di registrazione e oppure riproduzione magnetica | |
BE805550A (nl) | Magnetisch registreermedium | |
BE778843A (nl) | Magnetisch registratiemedium | |
IT958368B (it) | Apparecchio di registrazione e oppure riproduzione magnetica | |
ATA808972A (de) | Magnetisches aufzeichnungsgeraet | |
CA981533A (en) | Magnetic recording medium | |
CA980185A (en) | Magnetic recording members | |
AT315527B (de) | Kassetten-Magnettongerät | |
IT974870B (it) | Procedimento per la produzione di supporti magnetici di registrazione | |
AT314220B (de) | Aufnahme- oder Wiedergabegerät |