GB2072406A - Magnetic recording medium - Google Patents
Magnetic recording medium Download PDFInfo
- Publication number
- GB2072406A GB2072406A GB8100646A GB8100646A GB2072406A GB 2072406 A GB2072406 A GB 2072406A GB 8100646 A GB8100646 A GB 8100646A GB 8100646 A GB8100646 A GB 8100646A GB 2072406 A GB2072406 A GB 2072406A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic recording
- recording medium
- metallic
- layers
- 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.)
- Withdrawn
Links
- 239000013528 metallic particle Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 2
- 230000008021 deposition Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 description 9
- 229920006267 polyester film Polymers 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- ZGDWHDKHJKZZIQ-UHFFFAOYSA-N cobalt nickel Chemical compound [Co].[Ni].[Ni].[Ni] ZGDWHDKHJKZZIQ-UHFFFAOYSA-N 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
- G11B5/674—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having differing macroscopic or microscopic structures, e.g. differing crystalline lattices, varying atomic structures or differing roughnesses
-
- 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
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12049—Nonmetal component
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12063—Nonparticulate metal component
- Y10T428/12069—Plural nonparticulate metal components
- Y10T428/12076—Next to each other
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3858580A JPS56134317A (en) | 1980-03-25 | 1980-03-25 | Magnetic recording medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2072406A true GB2072406A (en) | 1981-09-30 |
Family
ID=12529363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8100646A Withdrawn GB2072406A (en) | 1980-03-25 | 1981-01-09 | Magnetic recording medium |
Country Status (5)
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2227116A (en) * | 1988-12-02 | 1990-07-18 | Tdk Corp | Magnetic recording medium |
| EP0415335A3 (en) * | 1989-08-30 | 1991-07-03 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium and method for producing the same |
| EP0456227A3 (en) * | 1990-05-10 | 1992-03-18 | Tdk Corporation | Magnetic recording medium |
| US5202149A (en) * | 1990-07-25 | 1993-04-13 | Matsushita Electric Industrial Co., Ltd. | Method for making a magnetic recording medium |
| EP0498421A3 (en) * | 1991-02-07 | 1993-06-02 | Canon Kabushiki Kaisha | Magnetic recording and reproducing methods as well as magnetic recording and reproducing apparatus |
| EP0530379A4 (en) * | 1991-03-22 | 1993-11-03 | Tdk Corporation | Vertical magnetic recording medium and its manufacturing method |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57143730A (en) * | 1981-03-02 | 1982-09-06 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS5819474A (ja) * | 1981-07-27 | 1983-02-04 | Victor Co Of Japan Ltd | 機能性メツキ膜の製法 |
| JPS5961013A (ja) * | 1982-09-29 | 1984-04-07 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS5961014A (ja) * | 1982-09-29 | 1984-04-07 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS59119531A (ja) * | 1982-12-25 | 1984-07-10 | Tdk Corp | 磁気記録媒体 |
| JPS59119532A (ja) * | 1982-12-25 | 1984-07-10 | Tdk Corp | 磁気記録媒体 |
| JPS59119534A (ja) * | 1982-12-26 | 1984-07-10 | Tdk Corp | 磁気記録媒体 |
| JPS60127527A (ja) * | 1983-12-15 | 1985-07-08 | Saiteku Kk | 膜状積重磁気記録媒体およびその製造方法 |
| US4645719A (en) * | 1984-06-18 | 1987-02-24 | Fuji Photo Film Co., Ltd. | Soft magnetic thin film having uniaxial magnetic anisotropy |
| US4587066A (en) * | 1984-07-02 | 1986-05-06 | Polaroid Corporation | Method and apparatus for forming magnetic recording media |
| US5153044A (en) * | 1987-02-25 | 1992-10-06 | Komag, Inc. | Magnetic disk for longitudinal recording comprising an amorphous intermediate layer |
| JPH01205716A (ja) * | 1988-02-12 | 1989-08-18 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
| JP2728498B2 (ja) * | 1988-05-27 | 1998-03-18 | 株式会社日立製作所 | 磁気記録媒体 |
| JPH02141919A (ja) * | 1988-11-22 | 1990-05-31 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
| US5181939A (en) * | 1989-12-20 | 1993-01-26 | Charles Neff | Article and a method for producing an article having a high friction surface |
| US5906880A (en) * | 1990-11-30 | 1999-05-25 | Sony Corporation | Magnetic recording medium |
| JP2700043B2 (ja) * | 1991-04-16 | 1998-01-19 | 沖電気工業株式会社 | 磁気記録媒体 |
| JPH06111267A (ja) * | 1992-09-30 | 1994-04-22 | Kao Corp | 磁気記録媒体 |
| JPH06139541A (ja) * | 1992-10-26 | 1994-05-20 | Kao Corp | 磁気記録媒体 |
| JP2743313B2 (ja) * | 1995-01-25 | 1998-04-22 | 花王株式会社 | 磁気記録媒体 |
| US5876860A (en) * | 1997-12-09 | 1999-03-02 | N.V. Interturbine | Thermal barrier coating ceramic structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3117065A (en) * | 1959-09-02 | 1964-01-07 | Magnetic Film And Tape Company | Method and apparatus for making magnetic recording tape |
| US3342633A (en) * | 1964-08-05 | 1967-09-19 | Ibm | Magnetic coating |
| JPS5162704A (en) * | 1974-10-29 | 1976-05-31 | Fuji Photo Film Co Ltd | Jikikirokutaino seizoho |
| US4153920A (en) * | 1975-08-23 | 1979-05-08 | Fuji Photo Film Co., Ltd. | Recording method employing a magnetic recording medium |
| JPS54141608A (en) * | 1978-04-26 | 1979-11-05 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
-
1980
- 1980-03-25 JP JP3858580A patent/JPS56134317A/ja active Granted
- 1980-12-05 US US06/213,357 patent/US4371590A/en not_active Expired - Lifetime
-
1981
- 1981-01-09 GB GB8100646A patent/GB2072406A/en not_active Withdrawn
- 1981-01-23 NL NL8100308A patent/NL8100308A/nl not_active Application Discontinuation
- 1981-02-16 DE DE19813105634 patent/DE3105634A1/de not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2227116A (en) * | 1988-12-02 | 1990-07-18 | Tdk Corp | Magnetic recording medium |
| GB2227116B (en) * | 1988-12-02 | 1993-01-13 | Tdk Corp | Magnetic recording medium |
| EP0415335A3 (en) * | 1989-08-30 | 1991-07-03 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium and method for producing the same |
| EP0456227A3 (en) * | 1990-05-10 | 1992-03-18 | Tdk Corporation | Magnetic recording medium |
| US5225234A (en) * | 1990-05-10 | 1993-07-06 | Tdk Corporation | Magnetic recording medium comprising multiple thin film magnetic layers each formed within specified maximum and minimum incident angles |
| US5202149A (en) * | 1990-07-25 | 1993-04-13 | Matsushita Electric Industrial Co., Ltd. | Method for making a magnetic recording medium |
| EP0498421A3 (en) * | 1991-02-07 | 1993-06-02 | Canon Kabushiki Kaisha | Magnetic recording and reproducing methods as well as magnetic recording and reproducing apparatus |
| EP0530379A4 (en) * | 1991-03-22 | 1993-11-03 | Tdk Corporation | Vertical magnetic recording medium and its manufacturing method |
| US5525398A (en) * | 1991-03-22 | 1996-06-11 | Tdk Corporation | Perpendicular magnetic recording medium and method for making |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8100308A (nl) | 1981-10-16 |
| JPS56134317A (en) | 1981-10-21 |
| US4371590A (en) | 1983-02-01 |
| DE3105634A1 (de) | 1981-12-03 |
| JPS6321254B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |