BE698832A - - Google Patents
Info
- Publication number
- BE698832A BE698832A BE698832DA BE698832A BE 698832 A BE698832 A BE 698832A BE 698832D A BE698832D A BE 698832DA BE 698832 A BE698832 A BE 698832A
- 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
- G11B5/73—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
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
-
- 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
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
- G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23793/66A GB1139346A (en) | 1966-05-27 | 1966-05-27 | Improved magnetic recording tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE698832A true BE698832A (ref) | 1967-11-22 |
Family
ID=10201416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE698832D BE698832A (ref) | 1966-05-27 | 1967-05-22 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE698832A (ref) |
| CH (1) | CH460375A (ref) |
| GB (1) | GB1139346A (ref) |
| LU (1) | LU53758A1 (ref) |
-
1966
- 1966-05-27 GB GB23793/66A patent/GB1139346A/en not_active Expired
-
1967
- 1967-05-22 BE BE698832D patent/BE698832A/xx unknown
- 1967-05-26 LU LU53758D patent/LU53758A1/xx unknown
- 1967-05-26 CH CH743667A patent/CH460375A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU53758A1 (ref) | 1967-07-26 |
| CH460375A (de) | 1968-07-31 |
| GB1139346A (en) | 1969-01-08 |