JPS6321259B2 - - Google Patents
Info
- Publication number
- JPS6321259B2 JPS6321259B2 JP55020845A JP2084580A JPS6321259B2 JP S6321259 B2 JPS6321259 B2 JP S6321259B2 JP 55020845 A JP55020845 A JP 55020845A JP 2084580 A JP2084580 A JP 2084580A JP S6321259 B2 JPS6321259 B2 JP S6321259B2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- substrate
- information
- magnetic
- present
- 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
- 239000000758 substrate Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 239000006247 magnetic powder Substances 0.000 claims description 3
- 230000005291 magnetic effect Effects 0.000 description 9
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 235000002505 Centaurea nigra Nutrition 0.000 description 1
- 241001073742 Mylopharodon conocephalus Species 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910000702 sendust Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2084580A JPS56117346A (en) | 1980-02-21 | 1980-02-21 | Information recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2084580A JPS56117346A (en) | 1980-02-21 | 1980-02-21 | Information recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56117346A JPS56117346A (en) | 1981-09-14 |
| JPS6321259B2 true JPS6321259B2 (fr) | 1988-05-06 |
Family
ID=12038408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2084580A Granted JPS56117346A (en) | 1980-02-21 | 1980-02-21 | Information recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56117346A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57167172A (en) * | 1981-04-07 | 1982-10-14 | Victor Co Of Japan Ltd | High density information recording and reproducing system |
| US4556597A (en) * | 1983-08-22 | 1985-12-03 | International Business Machines Corporation | Ion doped servo pattern for magnetic recording disk |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840417A (fr) * | 1971-09-21 | 1973-06-14 | ||
| JPS5215584A (en) * | 1975-07-25 | 1977-02-05 | Rca Corp | Laminates |
| JPS53119017A (en) * | 1977-03-28 | 1978-10-18 | Victor Co Of Japan Ltd | Capacity conversion type information recording medium |
| JPS54147008A (en) * | 1978-05-10 | 1979-11-16 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
| JPS54148422A (en) * | 1978-05-15 | 1979-11-20 | Gen Corp | Video disk player |
-
1980
- 1980-02-21 JP JP2084580A patent/JPS56117346A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840417A (fr) * | 1971-09-21 | 1973-06-14 | ||
| JPS5215584A (en) * | 1975-07-25 | 1977-02-05 | Rca Corp | Laminates |
| JPS53119017A (en) * | 1977-03-28 | 1978-10-18 | Victor Co Of Japan Ltd | Capacity conversion type information recording medium |
| JPS54147008A (en) * | 1978-05-10 | 1979-11-16 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
| JPS54148422A (en) * | 1978-05-15 | 1979-11-20 | Gen Corp | Video disk player |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56117346A (en) | 1981-09-14 |
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