KR890005662A - 자기 기록 매체 - Google Patents
자기 기록 매체 Download PDFInfo
- Publication number
- KR890005662A KR890005662A KR1019880011444A KR880011444A KR890005662A KR 890005662 A KR890005662 A KR 890005662A KR 1019880011444 A KR1019880011444 A KR 1019880011444A KR 880011444 A KR880011444 A KR 880011444A KR 890005662 A KR890005662 A KR 890005662A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic recording
- recording media
- mmol
- recording medium
- metal base
- 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
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
Landscapes
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 기록체 베이스상에 자기층을 설치하고 있는 자기 기록 매체에 있어서, 설폰산 금속 염기 농도가 0.002 내지 0.2mmol/g인 폴리우레탄 수지와 설폰산 금속 염기 농도가 0.02 내지 0.5mmol/g인 염화 비닐계 수지로 되는 바인더 미분말 강자성체를 균일하게 분산시킨 전기 자기층을 가지는 것을 특징으로 하는 기록 매체.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP87-228188 | 1987-09-11 | ||
| JP62228188A JPS6472324A (en) | 1987-09-11 | 1987-09-11 | Magnetic recording medium |
| JP228188 | 1987-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890005662A true KR890005662A (ko) | 1989-05-16 |
| KR910006152B1 KR910006152B1 (ko) | 1991-08-16 |
Family
ID=16872587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880011444A KR910006152B1 (ko) | 1987-09-11 | 1988-09-05 | 자기 기록 매체 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6472324A (ko) |
| KR (1) | KR910006152B1 (ko) |
| CN (1) | CN1031903A (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2239249A (en) * | 1989-12-22 | 1991-06-26 | Basf Corp | Copolymers from polyalkylene oxides containing an allyl glycidyl ether reactive double bond and vinyl acetate |
| US5070140A (en) * | 1989-12-22 | 1991-12-03 | Basf Corporation | Copolymers of vinyl acetate and allyl glycidyl ether capped C12 -C.sub. |
-
1987
- 1987-09-11 JP JP62228188A patent/JPS6472324A/ja active Pending
-
1988
- 1988-09-05 KR KR1019880011444A patent/KR910006152B1/ko not_active IP Right Cessation
- 1988-09-09 CN CN88106631A patent/CN1031903A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR910006152B1 (ko) | 1991-08-16 |
| JPS6472324A (en) | 1989-03-17 |
| CN1031903A (zh) | 1989-03-22 |
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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: 20080704 Year of fee payment: 18 |
|
| EXPY | Expiration of term |