NL7904696A - MAGNETIC RECORDING TAPE. - Google Patents
MAGNETIC RECORDING TAPE.Info
- Publication number
- NL7904696A NL7904696A NL7904696A NL7904696A NL7904696A NL 7904696 A NL7904696 A NL 7904696A NL 7904696 A NL7904696 A NL 7904696A NL 7904696 A NL7904696 A NL 7904696A NL 7904696 A NL7904696 A NL 7904696A
- Authority
- NL
- Netherlands
- Prior art keywords
- magnetic recording
- recording tape
- tape
- 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
- G11B5/73—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
- G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added particles
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7300878A JPS54164107A (en) | 1978-06-16 | 1978-06-16 | Base for magnetic recording tape |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7904696A true NL7904696A (en) | 1979-12-18 |
Family
ID=13505877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7904696A NL7904696A (en) | 1978-06-16 | 1979-06-15 | MAGNETIC RECORDING TAPE. |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS54164107A (en) |
DE (1) | DE2924156B2 (en) |
GB (1) | GB2026345A (en) |
NL (1) | NL7904696A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2134442B (en) * | 1983-01-18 | 1987-05-28 | Diafoil Co Ltd | Polyester film for magnetic recording media |
JPS59203232A (en) * | 1983-05-02 | 1984-11-17 | Diafoil Co Ltd | Polyester film for magnetic recording medium |
-
1978
- 1978-06-16 JP JP7300878A patent/JPS54164107A/en active Pending
-
1979
- 1979-06-15 NL NL7904696A patent/NL7904696A/en not_active Application Discontinuation
- 1979-06-15 DE DE2924156A patent/DE2924156B2/en not_active Withdrawn
- 1979-06-18 GB GB7921175A patent/GB2026345A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS54164107A (en) | 1979-12-27 |
DE2924156B2 (en) | 1980-10-30 |
GB2026345A (en) | 1980-02-06 |
DE2924156A1 (en) | 1979-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BV | The patent application has lapsed |