BE681701A - - Google Patents
Info
- Publication number
- BE681701A BE681701A BE681701DA BE681701A BE 681701 A BE681701 A BE 681701A BE 681701D A BE681701D A BE 681701DA BE 681701 A BE681701 A BE 681701A
- Authority
- BE
- Belgium
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
- G11B5/7013—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 dispersing agent
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US461170A US3412044A (en) | 1965-06-03 | 1965-06-03 | Diamine soap as dispersant in magnetic tape formulations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE681701A true BE681701A (xx) | 1966-10-31 |
Family
ID=23831478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE681701D BE681701A (xx) | 1965-06-03 | 1966-05-27 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3412044A (xx) |
| BE (1) | BE681701A (xx) |
| DE (1) | DE1285004B (xx) |
| GB (1) | GB1079609A (xx) |
| NL (1) | NL6607670A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1431854A (en) * | 1972-04-07 | 1976-04-14 | Sony Corp | Magnetic recording media and methods of making them |
| DE3128013C1 (de) * | 1981-07-15 | 1982-11-11 | Siemens Ag | Ansteuerschaltung fuer wenigstens eine lichtemittierende Diode |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3149996A (en) * | 1960-11-16 | 1964-09-22 | Basf Ag | Magnetic record member |
| US3262812A (en) * | 1964-03-26 | 1966-07-26 | Gen Electric | Magnetic recording tape with magnetic layer of oxide coated iron-cobalt alloy particles in a binder |
-
1965
- 1965-06-03 US US461170A patent/US3412044A/en not_active Expired - Lifetime
-
1966
- 1966-05-18 DE DEA52561A patent/DE1285004B/de active Pending
- 1966-05-27 GB GB24004/66A patent/GB1079609A/en not_active Expired
- 1966-05-27 BE BE681701D patent/BE681701A/xx unknown
- 1966-06-02 NL NL6607670A patent/NL6607670A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1285004B (de) | 1968-12-12 |
| NL6607670A (xx) | 1966-12-05 |
| US3412044A (en) | 1968-11-19 |
| GB1079609A (en) | 1967-08-16 |