JP6885495B2 - 磁気記録媒体 - Google Patents

磁気記録媒体 Download PDF

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Publication number
JP6885495B2
JP6885495B2 JP2020104582A JP2020104582A JP6885495B2 JP 6885495 B2 JP6885495 B2 JP 6885495B2 JP 2020104582 A JP2020104582 A JP 2020104582A JP 2020104582 A JP2020104582 A JP 2020104582A JP 6885495 B2 JP6885495 B2 JP 6885495B2
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Japan
Prior art keywords
magnetic
recording medium
magnetic recording
layer
ppm
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JP2020104582A
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English (en)
Japanese (ja)
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JP2020184400A5 (enExample
JP2020184400A (ja
Inventor
泰啓 榎本
泰啓 榎本
潤 寺川
潤 寺川
山鹿　実
実 山鹿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Sony Group Corp
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Sony Corp
Sony Group Corp
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Publication date
Application filed by Sony Corp, Sony Group Corp filed Critical Sony Corp
Priority to JP2020104582A priority Critical patent/JP6885495B2/ja
Publication of JP2020184400A publication Critical patent/JP2020184400A/ja
Priority to JP2021070256A priority patent/JP7226467B2/ja
Publication of JP2020184400A5 publication Critical patent/JP2020184400A5/ja
Application granted granted Critical
Publication of JP6885495B2 publication Critical patent/JP6885495B2/ja
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  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2020104582A 2020-06-17 2020-06-17 磁気記録媒体 Active JP6885495B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020104582A JP6885495B2 (ja) 2020-06-17 2020-06-17 磁気記録媒体
JP2021070256A JP7226467B2 (ja) 2020-06-17 2021-04-19 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020104582A JP6885495B2 (ja) 2020-06-17 2020-06-17 磁気記録媒体

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2019169036A Division JP6733794B1 (ja) 2019-09-18 2019-09-18 磁気記録媒体

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2021070256A Division JP7226467B2 (ja) 2020-06-17 2021-04-19 磁気記録媒体

Publications (3)

Publication Number Publication Date
JP2020184400A JP2020184400A (ja) 2020-11-12
JP2020184400A5 JP2020184400A5 (enExample) 2021-05-06
JP6885495B2 true JP6885495B2 (ja) 2021-06-16

Family

ID=73045215

Family Applications (2)

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JP2020104582A Active JP6885495B2 (ja) 2020-06-17 2020-06-17 磁気記録媒体
JP2021070256A Active JP7226467B2 (ja) 2020-06-17 2021-04-19 磁気記録媒体

Family Applications After (1)

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JP2021070256A Active JP7226467B2 (ja) 2020-06-17 2021-04-19 磁気記録媒体

Country Status (1)

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JP (2) JP6885495B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024070719A1 (ja) * 2022-09-29 2024-04-04 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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12198743B2 (en) 2021-03-31 2025-01-14 Sony Group Corporation Magnetic recording medium having controlled change in average width and cartridge
JP7702324B2 (ja) * 2021-09-29 2025-07-03 富士フイルム株式会社 磁気テープ、磁気テープカートリッジおよび磁気テープ装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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
JP3706947B2 (ja) * 2001-03-12 2005-10-19 日立マクセル株式会社 磁気テープカートリッジ
JP2005276258A (ja) * 2004-03-23 2005-10-06 Fuji Photo Film Co Ltd 磁気記録媒体
JP2005346865A (ja) * 2004-06-04 2005-12-15 Toray Ind Inc 磁気記録媒体
JP2007250078A (ja) * 2006-03-15 2007-09-27 Fujifilm Corp 磁気記録媒体
JP2007294079A (ja) * 2006-03-29 2007-11-08 Fujifilm Corp 磁気テープ
JP2007287215A (ja) * 2006-04-14 2007-11-01 Toray Ind Inc 磁気記録媒体用支持体および磁気記録媒体
JP2009087471A (ja) * 2007-09-28 2009-04-23 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024070719A1 (ja) * 2022-09-29 2024-04-04 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

Also Published As

Publication number Publication date
JP7226467B2 (ja) 2023-02-21
JP2021106070A (ja) 2021-07-26
JP2020184400A (ja) 2020-11-12

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