KR0138505B1 - 자기기록매체 - Google Patents
자기기록매체Info
- Publication number
- KR0138505B1 KR0138505B1 KR1019920011428A KR920011428A KR0138505B1 KR 0138505 B1 KR0138505 B1 KR 0138505B1 KR 1019920011428 A KR1019920011428 A KR 1019920011428A KR 920011428 A KR920011428 A KR 920011428A KR 0138505 B1 KR0138505 B1 KR 0138505B1
- Authority
- KR
- South Korea
- Prior art keywords
- recording medium
- magnetic
- magnetic recording
- ferrite powder
- hexagonal ferrite
- 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 - Fee Related
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
Landscapes
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15801491 | 1991-06-28 | ||
| JP91-158014 | 1991-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR930001135A KR930001135A (ko) | 1993-01-16 |
| KR0138505B1 true KR0138505B1 (ko) | 1998-06-01 |
Family
ID=15662389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019920011428A Expired - Fee Related KR0138505B1 (ko) | 1991-06-28 | 1992-06-27 | 자기기록매체 |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR0138505B1 (enExample) |
| TW (1) | TW226465B (enExample) |
-
1992
- 1992-06-27 KR KR1019920011428A patent/KR0138505B1/ko not_active Expired - Fee Related
- 1992-08-11 TW TW081106347A patent/TW226465B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| KR930001135A (ko) | 1993-01-16 |
| TW226465B (enExample) | 1994-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| AMND | Amendment | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
St.27 status event code: N-2-6-B10-B15-exm-PE0601 |
|
| T11-X000 | Administrative time limit extension requested |
St.27 status event code: U-3-3-T10-T11-oth-X000 |
|
| J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |
|
| PB0901 | Examination by re-examination before a trial |
St.27 status event code: A-6-3-E10-E12-rex-PB0901 |
|
| B701 | Decision to grant | ||
| PB0701 | Decision of registration after re-examination before a trial |
St.27 status event code: A-3-4-F10-F13-rex-PB0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20010219 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20010219 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |