JPS5469416A - Information recording medium and production of the same - Google Patents
Information recording medium and production of the sameInfo
- Publication number
- JPS5469416A JPS5469416A JP13652277A JP13652277A JPS5469416A JP S5469416 A JPS5469416 A JP S5469416A JP 13652277 A JP13652277 A JP 13652277A JP 13652277 A JP13652277 A JP 13652277A JP S5469416 A JPS5469416 A JP S5469416A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- information recording
- reels
- pulleys
- fine particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To enable the information recording medium of capacity conversion type to be produced with less processes without impairing its working and molding characteristics by thermocompression bonding a thin film, of a high molecular material including conductive fine particles on the surface of the recording medium base material of insulation characteristic.
CONSTITUTION: Conductive materials 7a, 7b which comprise coating the composite conductor wherein conductive fine particles are dispersed in a high polymer material of a low softening point on base sheets 1a, 1b of a high softening point are let off from reels 4a, 4b and are disposed on both sides of a recording medium base material 5 of insulation type being let off from a reel 6 by way of pulleys 8a, 8b and are thermocompression bonded by heated rubber rollers 9a, 9b and are flattened by a leveller 10. Next, only the sheets 1a, 1b are peeled and are taken up on reels 12a, 12b by way of pulleys 11a, 11b. The recording medium 13 which has been compression bonded with the composite conductor on both sides of the bsee material 5 is opened with holes and is made to an information recording medium 16 by a geometrical signal former 15. The medium is then cut to a circular shape and is contained in a case 18.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13652277A JPS5469416A (en) | 1977-11-14 | 1977-11-14 | Information recording medium and production of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13652277A JPS5469416A (en) | 1977-11-14 | 1977-11-14 | Information recording medium and production of the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5469416A true JPS5469416A (en) | 1979-06-04 |
| JPS5742897B2 JPS5742897B2 (en) | 1982-09-11 |
Family
ID=15177137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13652277A Granted JPS5469416A (en) | 1977-11-14 | 1977-11-14 | Information recording medium and production of the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5469416A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60143454A (en) * | 1983-12-30 | 1985-07-29 | Victor Co Of Japan Ltd | Highly density recording medium of information signal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4946724A (en) * | 1972-09-07 | 1974-05-04 | ||
| JPS49114411A (en) * | 1973-02-28 | 1974-10-31 | ||
| JPS5067629A (en) * | 1973-10-17 | 1975-06-06 |
-
1977
- 1977-11-14 JP JP13652277A patent/JPS5469416A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4946724A (en) * | 1972-09-07 | 1974-05-04 | ||
| JPS49114411A (en) * | 1973-02-28 | 1974-10-31 | ||
| JPS5067629A (en) * | 1973-10-17 | 1975-06-06 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60143454A (en) * | 1983-12-30 | 1985-07-29 | Victor Co Of Japan Ltd | Highly density recording medium of information signal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5742897B2 (en) | 1982-09-11 |
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