DE3123803A1 - Magnetisches aufzeichungsmaterial - Google Patents
Magnetisches aufzeichungsmaterialInfo
- Publication number
- DE3123803A1 DE3123803A1 DE19813123803 DE3123803A DE3123803A1 DE 3123803 A1 DE3123803 A1 DE 3123803A1 DE 19813123803 DE19813123803 DE 19813123803 DE 3123803 A DE3123803 A DE 3123803A DE 3123803 A1 DE3123803 A1 DE 3123803A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic recording
- recording material
- lubricant layer
- lubricant
- layer
- 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.)
- Granted
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
- G11B5/73—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
- G11B5/7356—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 comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
-
- 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
-
- 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
- Y10T428/256—Heavy metal or aluminum or compound thereof
Landscapes
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Lubricants (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8156980A JPS578926A (en) | 1980-06-17 | 1980-06-17 | Magnetic recording body |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3123803A1 true DE3123803A1 (de) | 1982-03-25 |
DE3123803C2 DE3123803C2 (US08197722-20120612-C00042.png) | 1989-04-06 |
Family
ID=13749920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19813123803 Granted DE3123803A1 (de) | 1980-06-17 | 1981-06-16 | Magnetisches aufzeichungsmaterial |
Country Status (3)
Country | Link |
---|---|
US (1) | US4427738A (US08197722-20120612-C00042.png) |
JP (1) | JPS578926A (US08197722-20120612-C00042.png) |
DE (1) | DE3123803A1 (US08197722-20120612-C00042.png) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0093194A2 (en) * | 1982-04-30 | 1983-11-09 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium |
EP0123854A2 (en) * | 1983-04-29 | 1984-11-07 | International Business Machines Corporation | Process for chemically bonding lubricant to an information carrier |
EP0130063A2 (en) * | 1983-06-22 | 1985-01-02 | Fujitsu Limited | Magnetic recording media |
DE3426657A1 (de) * | 1983-07-21 | 1985-02-21 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Biegsame magnetscheibenplatte |
EP0608561A1 (de) * | 1993-01-15 | 1994-08-03 | BASF Magnetics GmbH | Magnetisches Aufzeichnungsmedium |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS593723A (ja) * | 1982-06-29 | 1984-01-10 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS59188830A (ja) * | 1983-04-11 | 1984-10-26 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS59198532A (ja) * | 1983-04-25 | 1984-11-10 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
DE3437887A1 (de) * | 1983-10-17 | 1985-05-23 | TDK Corporation, Tokio/Tokyo | Magnetischer aufzeichnungstraeger |
JP3102599B2 (ja) * | 1992-04-24 | 2000-10-23 | ティーディーケイ株式会社 | 光磁気ディスク |
US5620765A (en) * | 1995-05-02 | 1997-04-15 | Eastman Kodak Company | Aqueous backing for digital optical media |
WO2011111668A1 (ja) * | 2010-03-09 | 2011-09-15 | 大豊工業株式会社 | 摺動部材 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2352958A1 (de) * | 1973-10-23 | 1975-04-30 | Basf Ag | Schichtmagnetogrammtraeger mit gleitfaehiger rueckseitenbeschichtung |
DE2522780A1 (de) * | 1974-05-22 | 1975-12-04 | Fuji Photo Film Co Ltd | Magnetisches aufzeichnungsmedium |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5729769B2 (US08197722-20120612-C00042.png) | 1974-02-15 | 1982-06-24 | ||
JPS5126006A (US08197722-20120612-C00042.png) | 1974-08-28 | 1976-03-03 | Fuji Photo Film Co Ltd | |
DE2501372C2 (de) | 1975-01-15 | 1983-10-27 | Basf Ag, 6700 Ludwigshafen | Flexible Schichtmagnetogrammträger mit Rückseitenbeschichtung und Verfahren zu ihrer Herstellung |
US4328935A (en) | 1980-06-12 | 1982-05-11 | Minnesota Mining And Manufacturing Company | Flexible magnetic recording tape having low-friction backside coating |
-
1980
- 1980-06-17 JP JP8156980A patent/JPS578926A/ja active Granted
-
1981
- 1981-06-16 DE DE19813123803 patent/DE3123803A1/de active Granted
- 1981-06-17 US US06/274,565 patent/US4427738A/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2352958A1 (de) * | 1973-10-23 | 1975-04-30 | Basf Ag | Schichtmagnetogrammtraeger mit gleitfaehiger rueckseitenbeschichtung |
DE2522780A1 (de) * | 1974-05-22 | 1975-12-04 | Fuji Photo Film Co Ltd | Magnetisches aufzeichnungsmedium |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0093194A2 (en) * | 1982-04-30 | 1983-11-09 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium |
EP0093194A3 (en) * | 1982-04-30 | 1986-01-22 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium |
EP0123854A2 (en) * | 1983-04-29 | 1984-11-07 | International Business Machines Corporation | Process for chemically bonding lubricant to an information carrier |
EP0123854A3 (en) * | 1983-04-29 | 1986-12-30 | International Business Machines Corporation | Process for chemically bonding lubricant to an information carrier |
EP0130063A2 (en) * | 1983-06-22 | 1985-01-02 | Fujitsu Limited | Magnetic recording media |
EP0130063A3 (en) * | 1983-06-22 | 1986-10-01 | Fujitsu Limited | Magnetic recording media |
DE3426657A1 (de) * | 1983-07-21 | 1985-02-21 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Biegsame magnetscheibenplatte |
EP0608561A1 (de) * | 1993-01-15 | 1994-08-03 | BASF Magnetics GmbH | Magnetisches Aufzeichnungsmedium |
Also Published As
Publication number | Publication date |
---|---|
JPS578926A (en) | 1982-01-18 |
DE3123803C2 (US08197722-20120612-C00042.png) | 1989-04-06 |
JPS6228488B2 (US08197722-20120612-C00042.png) | 1987-06-20 |
US4427738A (en) | 1984-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8128 | New person/name/address of the agent |
Representative=s name: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., 8000 MUENCHEN |
|
8110 | Request for examination paragraph 44 | ||
8128 | New person/name/address of the agent |
Representative=s name: SOLF, A., DR.-ING., 8000 MUENCHEN ZAPF, C., DIPL.- |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |