ATE160044T1 - Magnetischer aufzeichnungsträger - Google Patents
Magnetischer aufzeichnungsträgerInfo
- Publication number
- ATE160044T1 ATE160044T1 AT92108953T AT92108953T ATE160044T1 AT E160044 T1 ATE160044 T1 AT E160044T1 AT 92108953 T AT92108953 T AT 92108953T AT 92108953 T AT92108953 T AT 92108953T AT E160044 T1 ATE160044 T1 AT E160044T1
- Authority
- AT
- Austria
- Prior art keywords
- thin film
- metal thin
- ferromagnetic metal
- magnetic recording
- recording medium
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title abstract 9
- 230000005294 ferromagnetic effect Effects 0.000 abstract 6
- 239000002184 metal Substances 0.000 abstract 6
- 239000010409 thin film Substances 0.000 abstract 6
- 239000000758 substrate Substances 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 1
- 230000003746 surface roughness Effects 0.000 abstract 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
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
-
- 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
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15575391A JPH04353622A (ja) | 1991-05-30 | 1991-05-30 | 磁気記録媒体 |
JP15575291A JPH04353621A (ja) | 1991-05-30 | 1991-05-30 | 磁気記録媒体 |
JP15575491 | 1991-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE160044T1 true ATE160044T1 (de) | 1997-11-15 |
Family
ID=27320882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT92108953T ATE160044T1 (de) | 1991-05-30 | 1992-05-27 | Magnetischer aufzeichnungsträger |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0516086B1 (de) |
KR (1) | KR100263020B1 (de) |
AT (1) | ATE160044T1 (de) |
CA (1) | CA2070070C (de) |
DE (1) | DE69222975T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60308300T2 (de) * | 2002-12-25 | 2007-08-30 | Sony Corp. | Magnetisches Aufzeichnungsmittel |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5733432A (en) * | 1980-08-01 | 1982-02-23 | Sekisui Chem Co Ltd | Magnetic recording medium and its production |
JPS57143731A (en) * | 1981-03-02 | 1982-09-06 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS58171717A (ja) * | 1982-04-02 | 1983-10-08 | Dainippon Printing Co Ltd | 磁気記録媒体 |
JPH07101495B2 (ja) * | 1985-07-03 | 1995-11-01 | 株式会社日立製作所 | 磁気記録媒体 |
JPS63113928A (ja) * | 1986-10-31 | 1988-05-18 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPS63304423A (ja) * | 1987-06-04 | 1988-12-12 | Hitachi Maxell Ltd | 磁気記録媒体 |
-
1992
- 1992-05-27 DE DE69222975T patent/DE69222975T2/de not_active Expired - Fee Related
- 1992-05-27 AT AT92108953T patent/ATE160044T1/de not_active IP Right Cessation
- 1992-05-27 EP EP92108953A patent/EP0516086B1/de not_active Expired - Lifetime
- 1992-05-29 CA CA002070070A patent/CA2070070C/en not_active Expired - Fee Related
- 1992-05-29 KR KR1019920009307A patent/KR100263020B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69222975T2 (de) | 1998-05-28 |
CA2070070A1 (en) | 1992-12-01 |
DE69222975D1 (de) | 1997-12-11 |
EP0516086A3 (en) | 1993-05-19 |
EP0516086B1 (de) | 1997-11-05 |
KR100263020B1 (ko) | 2000-08-01 |
KR920022216A (ko) | 1992-12-19 |
EP0516086A2 (de) | 1992-12-02 |
CA2070070C (en) | 2002-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |