JPH0568768B2 - - Google Patents
Info
- Publication number
- JPH0568768B2 JPH0568768B2 JP61248863A JP24886386A JPH0568768B2 JP H0568768 B2 JPH0568768 B2 JP H0568768B2 JP 61248863 A JP61248863 A JP 61248863A JP 24886386 A JP24886386 A JP 24886386A JP H0568768 B2 JPH0568768 B2 JP H0568768B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- mol
- recording medium
- ferromagnetic
- magnetic recording
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- 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
-
- 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
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61248863A JPS63103418A (ja) | 1986-10-20 | 1986-10-20 | 磁気記録媒体 |
US07/110,291 US4806417A (en) | 1986-10-20 | 1987-10-20 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61248863A JPS63103418A (ja) | 1986-10-20 | 1986-10-20 | 磁気記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63103418A JPS63103418A (ja) | 1988-05-09 |
JPH0568768B2 true JPH0568768B2 (en]) | 1993-09-29 |
Family
ID=17184542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61248863A Granted JPS63103418A (ja) | 1986-10-20 | 1986-10-20 | 磁気記録媒体 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4806417A (en]) |
JP (1) | JPS63103418A (en]) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2646244B2 (ja) * | 1987-09-21 | 1997-08-27 | 富士写真フイルム株式会社 | 磁気記録媒体 |
US5110658A (en) * | 1987-10-19 | 1992-05-05 | Konica Corporation | Magnetic recording medium |
US5069807A (en) * | 1989-03-01 | 1991-12-03 | Minnesota Mining And Manufacturing Co. | Binder composition for use in magnetic recording media |
US5085941A (en) * | 1989-03-01 | 1992-02-04 | Minnesota Mining And Manufacturing Company | Magnetic recording medium with hydroxy functional, sulfonated binder system |
JP2719057B2 (ja) * | 1991-08-23 | 1998-02-25 | 富士写真フイルム株式会社 | 磁気記録媒体 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5425A (en) * | 1977-06-03 | 1979-01-05 | Hitachi Ltd | Method of chamfering glass substrate |
JPS5753824A (en) * | 1980-09-12 | 1982-03-31 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS57150129A (en) * | 1981-03-12 | 1982-09-16 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS6010416A (ja) * | 1983-06-30 | 1985-01-19 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS6057527A (ja) * | 1983-09-08 | 1985-04-03 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
US4652388A (en) * | 1984-03-26 | 1987-03-24 | Gold Marvin H | Magnetic tapes |
DE3516781A1 (de) * | 1984-05-11 | 1985-11-14 | Nippon Zeon Co., Ltd., Tokio/Tokyo | Magnetische anstrichfarbe fuer magnetische aufzeichnungsmedien |
JPH0719362B2 (ja) * | 1984-06-21 | 1995-03-06 | 富士写真フイルム株式会社 | 磁気記録媒体の製造方法 |
JPS6153368A (ja) * | 1984-08-22 | 1986-03-17 | Nippon Zeon Co Ltd | 磁性塗料 |
US4600521A (en) * | 1984-10-09 | 1986-07-15 | Nippon Zeon Co., Ltd. | Electron-beam reactive magnetic coating composition for magnetic recording media |
US4707410A (en) * | 1985-09-11 | 1987-11-17 | Nippon Zeon Co., Ltd. | Magnetic recording media |
-
1986
- 1986-10-20 JP JP61248863A patent/JPS63103418A/ja active Granted
-
1987
- 1987-10-20 US US07/110,291 patent/US4806417A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63103418A (ja) | 1988-05-09 |
US4806417A (en) | 1989-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4784914A (en) | Magnetic recording medium | |
US4734330A (en) | Magnetic recording medium | |
JPS63261529A (ja) | 磁気記録媒体 | |
US5001006A (en) | Magnetic recording medium | |
US5035948A (en) | Magnetic recording medium and a method for preparing the medium | |
US4980230A (en) | Magnetic recording medium | |
US4801505A (en) | Magnetic recording medium | |
US4701364A (en) | Tape for cleaning magnetic head | |
US5082733A (en) | Magnetic recording medium containing magnetic particles surface treated with a glycidyl compound | |
JPH0568768B2 (en]) | ||
JPH0673171B2 (ja) | 磁気記録媒体 | |
US5141808A (en) | Magnetic recording medium having two magnetic layers each containing a specified polyurethane resin | |
JPH0568767B2 (en]) | ||
US5082728A (en) | Magnetic disc | |
JP2617764B2 (ja) | 磁気記録媒体 | |
JP2592695B2 (ja) | 磁気記録媒体 | |
JPH0760510B2 (ja) | 磁気記録媒体 | |
US4740418A (en) | Magnetic recording medium | |
JPH0341618A (ja) | 磁気記録媒体 | |
JP2581582B2 (ja) | 磁気記録媒体 | |
JP2581569B2 (ja) | オーディオテープもしくはビデオテープ | |
JPH0786974B2 (ja) | 磁気記録媒体 | |
JP2001134920A (ja) | 磁気記録媒体 | |
US20040253482A1 (en) | Dual-layer magnetic medium with nonhalogenated binder system | |
JPS63261530A (ja) | 磁気記録媒体 |