JPWO2022209935A1 - - Google Patents
Info
- Publication number
- JPWO2022209935A1 JPWO2022209935A1 JP2023510930A JP2023510930A JPWO2022209935A1 JP WO2022209935 A1 JPWO2022209935 A1 JP WO2022209935A1 JP 2023510930 A JP2023510930 A JP 2023510930A JP 2023510930 A JP2023510930 A JP 2023510930A JP WO2022209935 A1 JPWO2022209935 A1 JP WO2022209935A1
- Authority
- JP
- Japan
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/78—Tape carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/04—Magazines; Cassettes for webs or filaments
- G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
- G11B23/107—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using one reel or core, one end of the record carrier coming out of the magazine or cassette
-
- 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
-
- 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
-
- 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
- G11B5/706—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 the composition of the magnetic material
- G11B5/70626—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 the composition of the magnetic material containing non-metallic substances
- G11B5/70642—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 the composition of the magnetic material containing non-metallic substances iron oxides
-
- 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
- G11B5/706—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 the composition of the magnetic material
- G11B5/70626—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 the composition of the magnetic material containing non-metallic substances
- G11B5/70642—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 the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
-
- 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
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
- G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata
- G11B2220/652—Solid state media wherein solid state memory is used for storing indexing information or metadata said memory being attached to the recording medium
- G11B2220/655—Memory in cassette [MIC]
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021061963 | 2021-03-31 | ||
| JP2021061963 | 2021-03-31 | ||
| PCT/JP2022/012167 WO2022209935A1 (ja) | 2021-03-31 | 2022-03-17 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022209935A1 true JPWO2022209935A1 (https=) | 2022-10-06 |
| JP7782549B2 JP7782549B2 (ja) | 2025-12-09 |
Family
ID=83459115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023510930A Active JP7782549B2 (ja) | 2021-03-31 | 2022-03-17 | 磁気記録媒体 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US12243571B2 (https=) |
| JP (1) | JP7782549B2 (https=) |
| WO (1) | WO2022209935A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2024090340A1 (https=) * | 2022-10-26 | 2024-05-02 | ||
| JPWO2024161957A1 (https=) * | 2023-01-31 | 2024-08-08 | ||
| WO2025173638A1 (ja) * | 2024-02-14 | 2025-08-21 | ソニーグループ株式会社 | 磁気記録媒体およびカートリッジ |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0696434A (ja) * | 1992-07-31 | 1994-04-08 | Sony Corp | 磁気記録媒体及び磁気記録媒体の評価方法 |
| JPH11203657A (ja) * | 1998-01-19 | 1999-07-30 | Mitsubishi Chemical Corp | 磁気記録媒体 |
| JP2000348325A (ja) * | 1999-06-04 | 2000-12-15 | Sony Corp | 磁気記録媒体 |
| JP2001160214A (ja) * | 1999-09-24 | 2001-06-12 | Hitachi Ltd | 磁気記録媒体及び磁気ディスク装置 |
| WO2010001843A1 (ja) * | 2008-06-30 | 2010-01-07 | Hoya株式会社 | 磁気ディスク用基板及び磁気ディスク |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0696434B2 (ja) | 1987-06-10 | 1994-11-30 | 三菱電機株式会社 | エレベ−タの運転制御装置 |
| US6852432B2 (en) | 2000-06-30 | 2005-02-08 | Hitachi, Ltd. | Magnetic recording media and magnetic disk apparatus |
| JP2008159259A (ja) | 2008-02-13 | 2008-07-10 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JP6590105B1 (ja) * | 2019-05-08 | 2019-10-16 | ソニー株式会社 | 磁気記録媒体およびカートリッジ |
-
2022
- 2022-03-17 WO PCT/JP2022/012167 patent/WO2022209935A1/ja not_active Ceased
- 2022-03-17 JP JP2023510930A patent/JP7782549B2/ja active Active
- 2022-03-17 US US18/284,215 patent/US12243571B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0696434A (ja) * | 1992-07-31 | 1994-04-08 | Sony Corp | 磁気記録媒体及び磁気記録媒体の評価方法 |
| JPH11203657A (ja) * | 1998-01-19 | 1999-07-30 | Mitsubishi Chemical Corp | 磁気記録媒体 |
| JP2000348325A (ja) * | 1999-06-04 | 2000-12-15 | Sony Corp | 磁気記録媒体 |
| JP2001160214A (ja) * | 1999-09-24 | 2001-06-12 | Hitachi Ltd | 磁気記録媒体及び磁気ディスク装置 |
| WO2010001843A1 (ja) * | 2008-06-30 | 2010-01-07 | Hoya株式会社 | 磁気ディスク用基板及び磁気ディスク |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022209935A1 (ja) | 2022-10-06 |
| US20240371405A1 (en) | 2024-11-07 |
| JP7782549B2 (ja) | 2025-12-09 |
| US12243571B2 (en) | 2025-03-04 |
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