KR860002785A - Magnetic recording media - Google Patents
Magnetic recording media Download PDFInfo
- Publication number
- KR860002785A KR860002785A KR1019840005664A KR840005664A KR860002785A KR 860002785 A KR860002785 A KR 860002785A KR 1019840005664 A KR1019840005664 A KR 1019840005664A KR 840005664 A KR840005664 A KR 840005664A KR 860002785 A KR860002785 A KR 860002785A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- layer
- magnetic layer
- magnetic recording
- thickness
- Prior art date
Links
- 239000006247 magnetic powder Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 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
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
-
- 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 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제 1도는 자성 분말의 평균 단일 입자 지름과 노이즈 레벨과의 관계도.1 is a relationship between the average single particle diameter of the magnetic powder and the noise level.
제 2도는 자성 분말의 평균 단일 입자 지름과 충진도와의 관계도.2 is a relationship between the average single particle diameter and the filling degree of the magnetic powder.
제 3도는 보자력과 소거율과의 관계도.3 is a relation between coercive force and elimination rate.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019840005664A KR910008676B1 (en) | 1984-09-17 | 1984-09-17 | Maghnetic memory medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019840005664A KR910008676B1 (en) | 1984-09-17 | 1984-09-17 | Maghnetic memory medium |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860002785A true KR860002785A (en) | 1986-04-30 |
KR910008676B1 KR910008676B1 (en) | 1991-10-19 |
Family
ID=19235415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840005664A KR910008676B1 (en) | 1984-09-17 | 1984-09-17 | Maghnetic memory medium |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910008676B1 (en) |
-
1984
- 1984-09-17 KR KR1019840005664A patent/KR910008676B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910008676B1 (en) | 1991-10-19 |
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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: 20011015 Year of fee payment: 11 |
|
LAPS | Lapse due to unpaid annual fee |