KR870004403A - 자기 기록 매체 - Google Patents
자기 기록 매체 Download PDFInfo
- Publication number
- KR870004403A KR870004403A KR1019860008524A KR860008524A KR870004403A KR 870004403 A KR870004403 A KR 870004403A KR 1019860008524 A KR1019860008524 A KR 1019860008524A KR 860008524 A KR860008524 A KR 860008524A KR 870004403 A KR870004403 A KR 870004403A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic recording
- recording media
- vinyl alcohol
- layer
- note
- Prior art date
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
-
- 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
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 비자성 지지체의 일면에 지성층을, 타면에 카본 블랙과 비닐알콜을 약 6중량% 이상 함유하는 비닐알콜 염화비닐 공중합체를 포함하는 층을 설치한 것을 특징으로 하는 자기 기록 매체.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP231365 | 1985-10-18 | ||
| JP60-231365 | 1985-10-18 | ||
| JP60231365A JPS6292234A (ja) | 1985-10-18 | 1985-10-18 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870004403A true KR870004403A (ko) | 1987-05-09 |
| KR900004751B1 KR900004751B1 (ko) | 1990-07-05 |
Family
ID=16922477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860008524A KR900004751B1 (ko) | 1985-10-18 | 1986-10-11 | 자기 기록 매체 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6292234A (ko) |
| KR (1) | KR900004751B1 (ko) |
| DE (1) | DE3635424A1 (ko) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS567233A (en) * | 1979-06-25 | 1981-01-24 | Tdk Corp | Magnetic recording medium |
| JPS57208636A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
-
1985
- 1985-10-18 JP JP60231365A patent/JPS6292234A/ja active Pending
-
1986
- 1986-10-11 KR KR1019860008524A patent/KR900004751B1/ko not_active IP Right Cessation
- 1986-10-17 DE DE19863635424 patent/DE3635424A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| KR900004751B1 (ko) | 1990-07-05 |
| DE3635424A1 (de) | 1987-04-23 |
| DE3635424C2 (ko) | 1989-12-07 |
| JPS6292234A (ja) | 1987-04-27 |
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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: 19930510 Year of fee payment: 4 |
|
| LAPS | Lapse due to unpaid annual fee |