JP2021106071A5 - - Google Patents
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- Publication number
- JP2021106071A5 JP2021106071A5 JP2021073276A JP2021073276A JP2021106071A5 JP 2021106071 A5 JP2021106071 A5 JP 2021106071A5 JP 2021073276 A JP2021073276 A JP 2021073276A JP 2021073276 A JP2021073276 A JP 2021073276A JP 2021106071 A5 JP2021106071 A5 JP 2021106071A5
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- magnetic recording
- magnetic
- medium according
- 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.)
- Granted
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- 239000006247 magnetic powder Substances 0.000 claims description 22
- 230000003746 surface roughness Effects 0.000 claims description 10
- 229910000704 hexaferrum Inorganic materials 0.000 claims description 6
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229920001225 polyester resin Polymers 0.000 claims description 2
- 239000004645 polyester resin Substances 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021073276A JP7226469B2 (ja) | 2019-10-23 | 2021-04-23 | 磁気記録媒体 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019192900A JP6883227B2 (ja) | 2019-10-23 | 2019-10-23 | 磁気記録媒体 |
JP2021073276A JP7226469B2 (ja) | 2019-10-23 | 2021-04-23 | 磁気記録媒体 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019192900A Division JP6883227B2 (ja) | 2019-10-23 | 2019-10-23 | 磁気記録媒体 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021106071A JP2021106071A (ja) | 2021-07-26 |
JP2021106071A5 true JP2021106071A5 (enrdf_load_stackoverflow) | 2022-03-10 |
JP7226469B2 JP7226469B2 (ja) | 2023-02-21 |
Family
ID=72717552
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019192900A Active JP6883227B2 (ja) | 2019-10-23 | 2019-10-23 | 磁気記録媒体 |
JP2021073276A Active JP7226469B2 (ja) | 2019-10-23 | 2021-04-23 | 磁気記録媒体 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019192900A Active JP6883227B2 (ja) | 2019-10-23 | 2019-10-23 | 磁気記録媒体 |
Country Status (1)
Country | Link |
---|---|
JP (2) | JP6883227B2 (enrdf_load_stackoverflow) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03185623A (ja) * | 1989-12-13 | 1991-08-13 | Matsushita Electric Ind Co Ltd | 蒸着磁気記録媒体 |
JPH04255910A (ja) * | 1991-02-08 | 1992-09-10 | Matsushita Electric Ind Co Ltd | 磁気記録テープ |
JP2005199724A (ja) * | 2000-12-05 | 2005-07-28 | Teijin Ltd | 二軸配向積層ポリエステルフィルムおよび磁気記録媒体 |
JP4210608B2 (ja) * | 2004-02-06 | 2009-01-21 | 富士フイルム株式会社 | 磁気記録媒体 |
JP2005276258A (ja) * | 2004-03-23 | 2005-10-06 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JP2006228311A (ja) * | 2005-02-16 | 2006-08-31 | Sony Corp | 磁気記録媒体 |
JP2007042214A (ja) * | 2005-08-03 | 2007-02-15 | Toyobo Co Ltd | 磁気記録媒体 |
US20100167092A1 (en) * | 2006-02-09 | 2010-07-01 | Teijin Dupont Films Japan Limited | Biaxially oriented polyester film and magnetic recording tape |
JP2007250078A (ja) * | 2006-03-15 | 2007-09-27 | Fujifilm Corp | 磁気記録媒体 |
JP2008159259A (ja) * | 2008-02-13 | 2008-07-10 | Hitachi Maxell Ltd | 磁気記録媒体 |
JP6565908B2 (ja) * | 2014-06-24 | 2019-08-28 | ソニー株式会社 | 磁気記録媒体 |
JP6465823B2 (ja) * | 2016-02-03 | 2019-02-06 | 富士フイルム株式会社 | 磁気テープおよびその製造方法 |
-
2019
- 2019-10-23 JP JP2019192900A patent/JP6883227B2/ja active Active
-
2021
- 2021-04-23 JP JP2021073276A patent/JP7226469B2/ja active Active
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