JPH0152815B2 - - Google Patents
Info
- Publication number
- JPH0152815B2 JPH0152815B2 JP56068105A JP6810581A JPH0152815B2 JP H0152815 B2 JPH0152815 B2 JP H0152815B2 JP 56068105 A JP56068105 A JP 56068105A JP 6810581 A JP6810581 A JP 6810581A JP H0152815 B2 JPH0152815 B2 JP H0152815B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- recording medium
- magnetic recording
- thin film
- magnetic
- 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
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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56068105A JPS57195321A (en) | 1981-05-08 | 1981-05-08 | Metallic thin film magnetic recording medium |
DE8282102671T DE3275959D1 (en) | 1981-03-30 | 1982-03-30 | Magnetic recording medium |
EP82102671A EP0061769B1 (en) | 1981-03-30 | 1982-03-30 | Magnetic recording medium |
US06/570,435 US4505966A (en) | 1981-03-30 | 1984-01-16 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56068105A JPS57195321A (en) | 1981-05-08 | 1981-05-08 | Metallic thin film magnetic recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57195321A JPS57195321A (en) | 1982-12-01 |
JPH0152815B2 true JPH0152815B2 (nl) | 1989-11-10 |
Family
ID=13364120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56068105A Granted JPS57195321A (en) | 1981-03-30 | 1981-05-08 | Metallic thin film magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57195321A (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0109667B1 (en) * | 1982-11-19 | 1987-04-01 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium |
JP2646522B2 (ja) * | 1983-03-28 | 1997-08-27 | 東レ株式会社 | 積層フイルム |
JPS60127523A (ja) * | 1983-12-14 | 1985-07-08 | Toray Ind Inc | 高密度記録媒体用ベ−スフイルム |
JPS60191430A (ja) * | 1984-03-09 | 1985-09-28 | Diafoil Co Ltd | 磁気記録媒体 |
JPH0677308B2 (ja) * | 1984-06-19 | 1994-09-28 | 東レ株式会社 | 磁気記録媒体用ポリエステルフイルム |
JPH0679844B2 (ja) * | 1986-06-11 | 1994-10-12 | 東レ株式会社 | 磁気記録媒体用ポリエステルフイルムならびにその製造方法 |
JPH01247162A (ja) * | 1988-03-29 | 1989-10-03 | Toray Ind Inc | 高密度記録媒体用ベースフィルム |
JP2001243616A (ja) | 1999-12-24 | 2001-09-07 | Toray Ind Inc | 磁気記録媒体用ポリエステルフィルムおよび磁気記録テープ |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4974910A (nl) * | 1972-11-20 | 1974-07-19 | ||
JPS50147309A (nl) * | 1974-05-15 | 1975-11-26 | ||
JPS5228304A (en) * | 1975-08-28 | 1977-03-03 | Fuji Photo Film Co Ltd | Magnetic recording media |
JPS5284264A (en) * | 1976-01-07 | 1977-07-13 | Toray Ind Inc | Pulyester film with improved surface characteristics |
JPS5341355A (en) * | 1976-09-29 | 1978-04-14 | Toray Ind Inc | Biaxilialy streched polyester film |
JPS53128683A (en) * | 1977-04-15 | 1978-11-09 | Toray Ind Inc | Polyester film having modified surface |
JPS5415979A (en) * | 1977-07-06 | 1979-02-06 | Teijin Ltd | Polyester film |
JPS5417981A (en) * | 1977-07-11 | 1979-02-09 | Teijin Ltd | Oriented polyester film for photosensive recorder |
JPS5435267A (en) * | 1977-08-24 | 1979-03-15 | Matsushita Electric Ind Co Ltd | Juicer |
JPS5440883A (en) * | 1977-09-06 | 1979-03-31 | Toray Ind Inc | Polyester film |
JPS5494574A (en) * | 1978-01-09 | 1979-07-26 | Toray Ind Inc | Polyester film with improved surface |
JPS54123923A (en) * | 1978-03-17 | 1979-09-26 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
JPS5515770A (en) * | 1978-07-21 | 1980-02-04 | Kawakami Kagaku Kogyo Kk | Beverage capable of changing its color tone instantaneously, and its container |
-
1981
- 1981-05-08 JP JP56068105A patent/JPS57195321A/ja active Granted
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4974910A (nl) * | 1972-11-20 | 1974-07-19 | ||
JPS50147309A (nl) * | 1974-05-15 | 1975-11-26 | ||
JPS5228304A (en) * | 1975-08-28 | 1977-03-03 | Fuji Photo Film Co Ltd | Magnetic recording media |
JPS5284264A (en) * | 1976-01-07 | 1977-07-13 | Toray Ind Inc | Pulyester film with improved surface characteristics |
JPS5341355A (en) * | 1976-09-29 | 1978-04-14 | Toray Ind Inc | Biaxilialy streched polyester film |
JPS53128683A (en) * | 1977-04-15 | 1978-11-09 | Toray Ind Inc | Polyester film having modified surface |
JPS5415979A (en) * | 1977-07-06 | 1979-02-06 | Teijin Ltd | Polyester film |
JPS5417981A (en) * | 1977-07-11 | 1979-02-09 | Teijin Ltd | Oriented polyester film for photosensive recorder |
JPS5435267A (en) * | 1977-08-24 | 1979-03-15 | Matsushita Electric Ind Co Ltd | Juicer |
JPS5440883A (en) * | 1977-09-06 | 1979-03-31 | Toray Ind Inc | Polyester film |
JPS5494574A (en) * | 1978-01-09 | 1979-07-26 | Toray Ind Inc | Polyester film with improved surface |
US4233352A (en) * | 1978-01-09 | 1980-11-11 | Toray Industries, Inc. | Polyester film and method of manufacture thereof |
JPS54123923A (en) * | 1978-03-17 | 1979-09-26 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
JPS5515770A (en) * | 1978-07-21 | 1980-02-04 | Kawakami Kagaku Kogyo Kk | Beverage capable of changing its color tone instantaneously, and its container |
Also Published As
Publication number | Publication date |
---|---|
JPS57195321A (en) | 1982-12-01 |
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