JPS56163524A - Magnetic thin film recording medium and method of producing same - Google Patents
Magnetic thin film recording medium and method of producing sameInfo
- Publication number
- JPS56163524A JPS56163524A JP5638181A JP5638181A JPS56163524A JP S56163524 A JPS56163524 A JP S56163524A JP 5638181 A JP5638181 A JP 5638181A JP 5638181 A JP5638181 A JP 5638181A JP S56163524 A JPS56163524 A JP S56163524A
- Authority
- JP
- Japan
- Prior art keywords
- thin film
- recording medium
- magnetic thin
- producing same
- film 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
- H01F10/30—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the intermediate layers, e.g. seed, buffer, template, diffusion preventing, cap layers
-
- 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
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
- G11B5/73919—Aluminium or titanium elemental or alloy substrates
-
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base 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
- Y10S205/00—Electrolysis: processes, compositions used therein, and methods of preparing the compositions
- Y10S205/922—Electrolytic coating of magnetic storage medium, other than selected area coating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803014718 DE3014718A1 (de) | 1980-04-17 | 1980-04-17 | Mehrschichtige magnetische duennfilmplatte mit kunstharzschicht sowie verfahren zur herstellung derselben |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56163524A true JPS56163524A (en) | 1981-12-16 |
JPS6211408B2 JPS6211408B2 (ja) | 1987-03-12 |
Family
ID=6100241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5638181A Granted JPS56163524A (en) | 1980-04-17 | 1981-04-16 | Magnetic thin film recording medium and method of producing same |
Country Status (5)
Country | Link |
---|---|
US (1) | US4356066A (ja) |
EP (1) | EP0038419B1 (ja) |
JP (1) | JPS56163524A (ja) |
CA (1) | CA1175774A (ja) |
DE (2) | DE3014718A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5671821A (en) | 1979-11-14 | 1981-06-15 | Hitachi Ltd | Substrate for magnetic disc and its manufacture |
CA1188796A (en) * | 1981-04-14 | 1985-06-11 | Kenji Yazawa | Magnetic recording medium |
US4517616A (en) * | 1982-04-12 | 1985-05-14 | Memorex Corporation | Thin film magnetic recording transducer having embedded pole piece design |
JPS59177726A (ja) * | 1983-03-28 | 1984-10-08 | Toshiba Corp | 垂直磁気デイスク記録媒体 |
DE3664540D1 (en) * | 1985-03-29 | 1989-08-24 | Siemens Ag | Perpendicular magnetic-recording medium and process for its production |
GB2231200A (en) * | 1989-04-28 | 1990-11-07 | Philips Electronic Associated | Mim devices, their method of fabrication and display devices incorporating such devices |
DE69203029T2 (de) * | 1991-04-24 | 1995-11-30 | Nippon Electric Co | Magnetische Struktur. |
US6632890B1 (en) | 1999-03-19 | 2003-10-14 | Dow Global Technologies Inc. | Hydrogenated block copolymer compositions |
AU5008800A (en) | 1999-06-11 | 2001-01-02 | Dow Chemical Company, The | Hydrogenated block copolymers and optical media discs produced therefrom |
EP1196456B1 (en) | 1999-06-11 | 2006-06-28 | Dow Global Technologies Inc. | Hydrogenated block copolymers and optical media discs produced therefrom |
JP2003507500A (ja) | 1999-08-16 | 2003-02-25 | ザ ダウ ケミカル カンパニー | 水素添加ブロック共重合体および光媒体ディスク |
US6429260B1 (en) | 2000-05-31 | 2002-08-06 | The Dow Chemical Company | Olefinic polymer compositions |
AU2001249807A1 (en) * | 2000-08-30 | 2002-03-13 | The Dow Chemical Company | Compositions for flexible optical media discs |
EP1207220B1 (en) * | 2000-10-25 | 2008-01-16 | GHA Corporation | Method for surface treatment of aluminum or aluminum alloy |
GB0107708D0 (en) | 2001-03-28 | 2001-05-16 | Imp College Innovations Ltd | Bone fixated,articulated joint load control device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5168209A (ja) * | 1974-12-11 | 1976-06-12 | Matsushita Electric Ind Co Ltd | Jikishiito |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3886052A (en) * | 1970-07-20 | 1975-05-27 | Digital Equipment Corp | Method of making a magnetic recording disc |
JPS4722076U (ja) * | 1971-03-10 | 1972-11-11 | ||
JPS5812065B1 (ja) * | 1971-06-29 | 1983-03-05 | Nikkei Riken Kk | |
US3721613A (en) * | 1971-12-06 | 1973-03-20 | Sperry Rand Corp | Article having an electroless deposition and method of producing such article |
JPS5337203B2 (ja) * | 1974-10-24 | 1978-10-07 | ||
DE2451232C2 (de) * | 1974-10-29 | 1983-10-20 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung starrer magnetischer Aufzeichnungsträger |
DE2556755C2 (de) * | 1975-12-17 | 1982-04-15 | Ibm Deutschland Gmbh, 7000 Stuttgart | Mehrschichtiger magnetischer Aufzeichnungsträger |
-
1980
- 1980-04-17 DE DE19803014718 patent/DE3014718A1/de not_active Withdrawn
-
1981
- 1981-03-12 CA CA000372914A patent/CA1175774A/en not_active Expired
- 1981-03-12 DE DE8181101821T patent/DE3162204D1/de not_active Expired
- 1981-03-12 EP EP81101821A patent/EP0038419B1/de not_active Expired
- 1981-03-30 US US06/248,141 patent/US4356066A/en not_active Expired - Fee Related
- 1981-04-16 JP JP5638181A patent/JPS56163524A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5168209A (ja) * | 1974-12-11 | 1976-06-12 | Matsushita Electric Ind Co Ltd | Jikishiito |
Also Published As
Publication number | Publication date |
---|---|
CA1175774A (en) | 1984-10-09 |
JPS6211408B2 (ja) | 1987-03-12 |
EP0038419B1 (de) | 1984-02-15 |
DE3162204D1 (en) | 1984-03-22 |
EP0038419A1 (de) | 1981-10-28 |
US4356066A (en) | 1982-10-26 |
DE3014718A1 (de) | 1981-10-22 |
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