KR860002789A - 자기 기록 매체 - Google Patents
자기 기록 매체 Download PDFInfo
- Publication number
- KR860002789A KR860002789A KR1019850006781A KR850006781A KR860002789A KR 860002789 A KR860002789 A KR 860002789A KR 1019850006781 A KR1019850006781 A KR 1019850006781A KR 850006781 A KR850006781 A KR 850006781A KR 860002789 A KR860002789 A KR 860002789A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic recording
- recording media
- atomic
- thickness
- recording medium
- Prior art date
Links
- 229910045601 alloy Inorganic materials 0.000 claims 3
- 239000000956 alloy Substances 0.000 claims 3
- 229910000599 Cr alloy Inorganic materials 0.000 claims 1
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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/656—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing Co
-
- 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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
-
- 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
- G11B2005/0002—Special dispositions or recording techniques
- G11B2005/0026—Pulse recording
- G11B2005/0029—Pulse recording using magnetisation components of the recording layer disposed mainly perpendicularly to the record carrier surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
Landscapes
- Magnetic Record Carriers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 실시예 A2의 잔류자화 재생파형도.
Claims (3)
- 비자성기체상에 Ta를 약 1.9원자% 이하 함유하는 Co-Cr계 결정질 합금 자성막을 약 0.1 내지 0.3㎛두께로 형성한 것을 특징으로 하는 자기 기록 매체.
- 기체상에 W를 약 1.9원자% 이하 함유하는 Co-Cr계 합금 자성막을 약 0.1 내지 0.25㎛ 두께로 형성한 것을 특징으로 하는 자기 기록 매체.
- 기체상에 Mo를 약 10원자% 이하 함유하는 Co-Cr계 결정질 합금 자성막을 약 0.1 내지 0.3㎛ 두께로 형성한 것을 특징으로 하는 자기 기록 매체.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59197793A JPS6177127A (ja) | 1984-09-22 | 1984-09-22 | 磁気記録媒体 |
| JP59197791A JPS6177125A (ja) | 1984-09-22 | 1984-09-22 | 磁気記録媒体 |
| JP197793 | 1984-09-22 | ||
| JP84-197793 | 1984-09-22 | ||
| JP59197792A JPS6177126A (ja) | 1984-09-22 | 1984-09-22 | 磁気記録媒体 |
| JP197792 | 1984-09-22 | ||
| JP84-197792 | 1984-09-22 | ||
| JP84-197791 | 1984-09-22 | ||
| JP197791 | 1984-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR860002789A true KR860002789A (ko) | 1986-04-30 |
| KR890004255B1 KR890004255B1 (ko) | 1989-10-28 |
Family
ID=27327412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850006781A KR890004255B1 (ko) | 1984-09-22 | 1985-09-17 | 자기 기록 매체 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR890004255B1 (ko) |
-
1985
- 1985-09-17 KR KR1019850006781A patent/KR890004255B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR890004255B1 (ko) | 1989-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR850004146A (ko) | 자기 기록 매체 | |
| KR870001565A (ko) | 광 자기 기록 매체 | |
| KR850008731A (ko) | 자기 기록매체 | |
| KR890016516A (ko) | 자기 기록매체 | |
| KR860003579A (ko) | 필름 자기헤드슬라이더 및 그 제조방법 | |
| KR870009339A (ko) | 수직 자기기록 매체 | |
| KR860003590A (ko) | 자기 기록 매체 및 그 제조법 | |
| KR850005664A (ko) | 2층 피복식 수직 자기 기록매체 | |
| KR840009164A (ko) | 자기 기록 매체 | |
| KR850006101A (ko) | 자기 기록 매체 | |
| KR910005237A (ko) | 자기 기록매체 | |
| KR850001597A (ko) | 자기기록매체 | |
| KR860002789A (ko) | 자기 기록 매체 | |
| KR860002790A (ko) | 자기 기록 매체 | |
| KR910014917A (ko) | 디스크 기록 장치 | |
| KR850005665A (ko) | 자기 기록 매체 | |
| KR850001595A (ko) | 자기헤드 | |
| KR840009163A (ko) | 자기기록 매체 | |
| KR880003288A (ko) | 자기 기록 매체 | |
| JPS57113416A (en) | Vertical magnetic recording medium | |
| KR850006100A (ko) | 자기 기록매체 및 그 제조방법 | |
| KR890007231A (ko) | 자기기록매체 | |
| KR890004274A (ko) | 수직자기 기록매체 | |
| KR890007232A (ko) | 자기 기록매체 | |
| KR880000917A (ko) | 자기 기록 매체 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 19940728 Year of fee payment: 6 |
|
| LAPS | Lapse due to unpaid annual fee |