JPS545705A - Double layer magnetic recording medium - Google Patents
Double layer magnetic recording mediumInfo
- Publication number
- JPS545705A JPS545705A JP7050877A JP7050877A JPS545705A JP S545705 A JPS545705 A JP S545705A JP 7050877 A JP7050877 A JP 7050877A JP 7050877 A JP7050877 A JP 7050877A JP S545705 A JPS545705 A JP S545705A
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- magnetic recording
- double layer
- layer magnetic
- layers
- 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
- G11B5/68—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
- G11B5/716—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 two or more magnetic layers
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
Landscapes
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7050877A JPS545705A (en) | 1977-06-16 | 1977-06-16 | Double layer magnetic recording medium |
DE19782826565 DE2826565A1 (de) | 1977-06-16 | 1978-06-16 | Mehrschichtiges magnetisches aufzeichnungsmaterial |
US05/916,430 US4259392A (en) | 1977-06-16 | 1978-06-16 | Multilayer magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7050877A JPS545705A (en) | 1977-06-16 | 1977-06-16 | Double layer magnetic recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS545705A true JPS545705A (en) | 1979-01-17 |
JPS6313258B2 JPS6313258B2 (ja) | 1988-03-24 |
Family
ID=13433533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7050877A Granted JPS545705A (en) | 1977-06-16 | 1977-06-16 | Double layer magnetic recording medium |
Country Status (3)
Country | Link |
---|---|
US (1) | US4259392A (ja) |
JP (1) | JPS545705A (ja) |
DE (1) | DE2826565A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5817539A (ja) * | 1981-07-21 | 1983-02-01 | Sony Corp | 磁気記録媒体 |
JPS5856228A (ja) * | 1981-09-28 | 1983-04-02 | Sony Corp | 磁気記録媒体 |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4364988A (en) * | 1978-07-31 | 1982-12-21 | Hitachi Maxell, Ltd. | Magnetic recording medium |
JPS5774829A (en) * | 1980-10-27 | 1982-05-11 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS5798135A (en) * | 1980-12-11 | 1982-06-18 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS5798134A (en) * | 1980-12-11 | 1982-06-18 | Fuji Photo Film Co Ltd | Magnetic recording body |
JPH0721854B2 (ja) * | 1981-05-29 | 1995-03-08 | 富士写真フイルム株式会社 | 磁気記録体 |
DE3126064C2 (de) * | 1981-07-02 | 1984-01-26 | Canon Gießen GmbH, 6300 Gießen | Durchfixiereinrichtung zum Fixieren von Tonerbildern auf Kopierpapier |
US4587157A (en) * | 1982-10-25 | 1986-05-06 | Verbatim Corp. | Wear resisting undercoat for thin film magnetic recording media |
JPS60223018A (ja) * | 1984-04-18 | 1985-11-07 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS61214223A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Maxell Ltd | 磁気記録媒体 |
JPH0775066B2 (ja) * | 1987-05-29 | 1995-08-09 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JPH0770047B2 (ja) * | 1987-07-06 | 1995-07-31 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JPH0727631B2 (ja) * | 1987-09-21 | 1995-03-29 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JP2581583B2 (ja) * | 1988-02-12 | 1997-02-12 | 富士写真フイルム株式会社 | 磁気記録媒体 |
JP2631685B2 (ja) * | 1988-02-29 | 1997-07-16 | 富士写真フイルム株式会社 | 磁気記録媒体 |
US5026598A (en) * | 1988-12-12 | 1991-06-25 | Konica Corporation | Magnetic recording medium |
EP0373563A3 (en) * | 1988-12-12 | 1991-09-18 | Konica Corporation | Magnetic recording medium |
US5035856A (en) * | 1989-02-08 | 1991-07-30 | Konica Corporation | Magnetic recording medium |
JP2724880B2 (ja) * | 1989-08-11 | 1998-03-09 | コニカ株式会社 | 磁気記録媒体 |
EP0416324A3 (en) * | 1989-09-05 | 1991-09-25 | Willi Studer Ag Fabrik Fuer Elektronische Apparate | Magnetic recording medium |
JPH04361252A (ja) * | 1991-06-10 | 1992-12-14 | Konica Corp | 情報記録媒体 |
US5324593A (en) * | 1992-02-18 | 1994-06-28 | Hmt Technology Corporation | Thin film medium with layered film gradient |
US5390142A (en) * | 1992-05-26 | 1995-02-14 | Kappa Numerics, Inc. | Memory material and method for its manufacture |
US5313176A (en) * | 1992-10-30 | 1994-05-17 | Motorola Lighting, Inc. | Integrated common mode and differential mode inductor device |
US5766812A (en) * | 1997-03-14 | 1998-06-16 | Xerox Corporation | Substrates containing magnetic coatings |
DE19714161A1 (de) * | 1997-04-05 | 1998-10-08 | Emtec Magnetics Gmbh | Magnetischer Aufzeichnungsträger |
US6086949A (en) * | 1998-02-25 | 2000-07-11 | International Business Machines Corporation | Thin film protective coating with two thickness regions |
US6194058B1 (en) | 1998-07-31 | 2001-02-27 | Quantegy, Inc. | Multi-layer magnetic recording medium, method and system of manufacture |
US6709774B2 (en) | 2001-09-18 | 2004-03-23 | International Business Machines Corporation | Magnetic thin film disks with a nonuniform composition |
JPWO2013122055A1 (ja) * | 2012-02-15 | 2015-05-11 | コニカミノルタ株式会社 | 機能性フィルム、およびその製造方法、並びに前記機能性フィルムを含む電子デバイス |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5528129B1 (ja) * | 1967-08-10 | 1980-07-25 | ||
US3566356A (en) * | 1968-02-29 | 1971-02-23 | Minnesota Mining & Mfg | Magnetic recording document and method |
GB1504293A (en) * | 1975-02-12 | 1978-03-15 | Emi Ltd | Method of forming magnetic media |
JPS58100B2 (ja) * | 1975-04-11 | 1983-01-05 | 富士写真フイルム株式会社 | ジキキロクタイ |
JPS5843815B2 (ja) * | 1975-10-23 | 1983-09-29 | 富士写真フイルム株式会社 | ジキキロクテ−プ |
-
1977
- 1977-06-16 JP JP7050877A patent/JPS545705A/ja active Granted
-
1978
- 1978-06-16 US US05/916,430 patent/US4259392A/en not_active Expired - Lifetime
- 1978-06-16 DE DE19782826565 patent/DE2826565A1/de not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5817539A (ja) * | 1981-07-21 | 1983-02-01 | Sony Corp | 磁気記録媒体 |
JPH036575B2 (ja) * | 1981-07-21 | 1991-01-30 | Sony Corp | |
JPS5856228A (ja) * | 1981-09-28 | 1983-04-02 | Sony Corp | 磁気記録媒体 |
JPH036576B2 (ja) * | 1981-09-28 | 1991-01-30 | Sony Corp |
Also Published As
Publication number | Publication date |
---|---|
JPS6313258B2 (ja) | 1988-03-24 |
DE2826565A1 (de) | 1979-01-04 |
US4259392A (en) | 1981-03-31 |
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