JPS5230403A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS5230403A JPS5230403A JP50107297A JP10729775A JPS5230403A JP S5230403 A JPS5230403 A JP S5230403A JP 50107297 A JP50107297 A JP 50107297A JP 10729775 A JP10729775 A JP 10729775A JP S5230403 A JPS5230403 A JP S5230403A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- magnetic recording
- coeffient
- friction
- reducing
- 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
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50107297A JPS5230403A (en) | 1975-09-03 | 1975-09-03 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50107297A JPS5230403A (en) | 1975-09-03 | 1975-09-03 | Magnetic recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5230403A true JPS5230403A (en) | 1977-03-08 |
| JPS5543170B2 JPS5543170B2 (show.php) | 1980-11-05 |
Family
ID=14455518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50107297A Granted JPS5230403A (en) | 1975-09-03 | 1975-09-03 | Magnetic recording medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5230403A (show.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4582759A (en) * | 1983-11-09 | 1986-04-15 | Tdk Corporation | Magnetic recording medium and process for producing same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5413761A (en) * | 1977-07-04 | 1979-02-01 | Toyo Electric Mfg Co Ltd | Gate phase controller |
-
1975
- 1975-09-03 JP JP50107297A patent/JPS5230403A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5413761A (en) * | 1977-07-04 | 1979-02-01 | Toyo Electric Mfg Co Ltd | Gate phase controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4582759A (en) * | 1983-11-09 | 1986-04-15 | Tdk Corporation | Magnetic recording medium and process for producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5543170B2 (show.php) | 1980-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS52102004A (en) | Magnetic recording medium | |
| JPS52122213A (en) | Production of ferromagnetic metal powder | |
| NL7904775A (nl) | Magnetische opname-band. | |
| NL7706922A (nl) | Magnetisch registratiemedium. | |
| JPS51131614A (en) | Magnetic tape cassette | |
| JPS5419199A (en) | Magnetic recording medium porcess | |
| JPS5230403A (en) | Magnetic recording medium | |
| JPS5370420A (en) | Magnetic recorder-reproducer | |
| JPS5317014A (en) | Recording-reproducing device | |
| JPS5319004A (en) | Magnetic recording element | |
| JPS5360214A (en) | Core slider of rotary arm type magnetic | |
| JPS527619A (en) | Magnetic tape record playback system | |
| JPS527710A (en) | Double recorder | |
| JPS5216202A (en) | Manufacturing method of magnetic recording medium | |
| JPS5367406A (en) | Magnetic recording medium and its production | |
| JPS5342706A (en) | Magnetic recording medium | |
| JPS528807A (en) | Magnetic recording medium | |
| JPS51126154A (en) | Recording medium | |
| JPS5250204A (en) | Tape form magnetic recording material | |
| JPS5419712A (en) | Magnetic recording medium | |
| JPS51123112A (en) | Magnetic recording medium | |
| JPS51138409A (en) | Magnetic recording medium | |
| NL7904696A (nl) | Magnetische opname-band. | |
| JPS5319809A (en) | Production of magnetic recording medium | |
| JPS52117605A (en) | Magnetic disc device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20041014 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20050124 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20050126 |
|
| A131 | Notification of reasons for refusal |
Effective date: 20060404 Free format text: JAPANESE INTERMEDIATE CODE: A131 |
|
| A072 | Dismissal of procedure |
Effective date: 20031021 Free format text: JAPANESE INTERMEDIATE CODE: A072 |
|
| A521 | Written amendment |
Effective date: 20060522 Free format text: JAPANESE INTERMEDIATE CODE: A523 |
|
| A524 | Written submission of copy of amendment under section 19 (pct) |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20060522 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Effective date: 20060808 Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20060815 |
|
| R150 | Certificate of patent (=grant) or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 3 Free format text: PAYMENT UNTIL: 20090825 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 3 Free format text: PAYMENT UNTIL: 20090825 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090825 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090825 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100825 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100825 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 5 Free format text: PAYMENT UNTIL: 20110825 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 5 Free format text: PAYMENT UNTIL: 20110825 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120825 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120825 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 7 Free format text: PAYMENT UNTIL: 20130825 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |