JPS6214895B2 - - Google Patents
Info
- Publication number
- JPS6214895B2 JPS6214895B2 JP18586780A JP18586780A JPS6214895B2 JP S6214895 B2 JPS6214895 B2 JP S6214895B2 JP 18586780 A JP18586780 A JP 18586780A JP 18586780 A JP18586780 A JP 18586780A JP S6214895 B2 JPS6214895 B2 JP S6214895B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- conductive
- film
- turntable
- recording medium
- 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.)
- Expired
Links
- 239000004065 semiconductor Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 17
- 239000004020 conductor Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/08—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by electric charge or by variation of electric resistance or capacitance
Landscapes
- Rotational Drive Of Disk (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18586780A JPS57109145A (en) | 1980-12-26 | 1980-12-26 | Signal recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18586780A JPS57109145A (en) | 1980-12-26 | 1980-12-26 | Signal recording and reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57109145A JPS57109145A (en) | 1982-07-07 |
| JPS6214895B2 true JPS6214895B2 (enrdf_load_stackoverflow) | 1987-04-04 |
Family
ID=16178260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18586780A Granted JPS57109145A (en) | 1980-12-26 | 1980-12-26 | Signal recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57109145A (enrdf_load_stackoverflow) |
-
1980
- 1980-12-26 JP JP18586780A patent/JPS57109145A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57109145A (en) | 1982-07-07 |