KR870004404A - 자기 기록 매체 - Google Patents
자기 기록 매체 Download PDFInfo
- Publication number
- KR870004404A KR870004404A KR1019860008525A KR860008525A KR870004404A KR 870004404 A KR870004404 A KR 870004404A KR 1019860008525 A KR1019860008525 A KR 1019860008525A KR 860008525 A KR860008525 A KR 860008525A KR 870004404 A KR870004404 A KR 870004404A
- Authority
- KR
- South Korea
- Prior art keywords
- recording media
- magnetic recording
- alcohol
- vinyl alcohol
- vinyl
- 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
- G11B5/68—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
- G11B5/7023—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 containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
-
- 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
- G11B5/7021—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 containing a polyurethane or a polyisocyanate
- G11B5/7022—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 containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 비자성 지지체의 일면에, 비표면적(BET 값)이 약 30m2/g 이상의 자성분과 비닐알콜을 약 6중량% 이상 함유하는 비닐알콜-염화비닐 공중합체를 포함하는 자성층을 설치한 것을 특징으로 하는 자기 기록 매체.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60231366A JPS6292235A (ja) | 1985-10-18 | 1985-10-18 | 磁気記録媒体 |
| JP231366 | 1985-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870004404A true KR870004404A (ko) | 1987-05-09 |
| KR900004752B1 KR900004752B1 (ko) | 1990-07-05 |
Family
ID=16922491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860008525A KR900004752B1 (ko) | 1985-10-18 | 1986-10-11 | 자기 기록 매체 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6292235A (ko) |
| KR (1) | KR900004752B1 (ko) |
| DE (1) | DE3635423A1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2717586B2 (ja) * | 1989-12-28 | 1998-02-18 | コニカ株式会社 | 磁気記録媒体 |
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 |
| JPS57150129A (en) * | 1981-03-12 | 1982-09-16 | Fuji Photo Film Co Ltd | Magnetic recording medium |
-
1985
- 1985-10-18 JP JP60231366A patent/JPS6292235A/ja active Pending
-
1986
- 1986-10-11 KR KR1019860008525A patent/KR900004752B1/ko not_active IP Right Cessation
- 1986-10-17 DE DE19863635423 patent/DE3635423A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE3635423A1 (de) | 1987-04-23 |
| KR900004752B1 (ko) | 1990-07-05 |
| JPS6292235A (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 |