JP6885496B2 - 磁気記録媒体 - Google Patents

磁気記録媒体 Download PDF

Info

Publication number
JP6885496B2
JP6885496B2 JP2020105555A JP2020105555A JP6885496B2 JP 6885496 B2 JP6885496 B2 JP 6885496B2 JP 2020105555 A JP2020105555 A JP 2020105555A JP 2020105555 A JP2020105555 A JP 2020105555A JP 6885496 B2 JP6885496 B2 JP 6885496B2
Authority
JP
Japan
Prior art keywords
magnetic recording
recording medium
magnetic
layer
average thickness
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.)
Active
Application number
JP2020105555A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020166925A (ja
JP2020166925A5 (enExample
Inventor
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
Original Assignee
Sony Corp
Sony Group Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp, Sony Group Corp filed Critical Sony Corp
Priority to JP2020105555A priority Critical patent/JP6885496B2/ja
Publication of JP2020166925A publication Critical patent/JP2020166925A/ja
Priority to JP2021070350A priority patent/JP7226468B2/ja
Publication of JP2020166925A5 publication Critical patent/JP2020166925A5/ja
Application granted granted Critical
Publication of JP6885496B2 publication Critical patent/JP6885496B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2020105555A 2020-06-18 2020-06-18 磁気記録媒体 Active JP6885496B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020105555A JP6885496B2 (ja) 2020-06-18 2020-06-18 磁気記録媒体
JP2021070350A JP7226468B2 (ja) 2020-06-18 2021-04-19 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020105555A JP6885496B2 (ja) 2020-06-18 2020-06-18 磁気記録媒体

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2019192846A Division JP6733798B1 (ja) 2019-10-23 2019-10-23 磁気記録媒体

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2021070350A Division JP7226468B2 (ja) 2020-06-18 2021-04-19 磁気記録媒体

Publications (3)

Publication Number Publication Date
JP2020166925A JP2020166925A (ja) 2020-10-08
JP2020166925A5 JP2020166925A5 (enExample) 2021-05-06
JP6885496B2 true JP6885496B2 (ja) 2021-06-16

Family

ID=72665931

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2020105555A Active JP6885496B2 (ja) 2020-06-18 2020-06-18 磁気記録媒体
JP2021070350A Active JP7226468B2 (ja) 2020-06-18 2021-04-19 磁気記録媒体

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2021070350A Active JP7226468B2 (ja) 2020-06-18 2021-04-19 磁気記録媒体

Country Status (1)

Country Link
JP (2) JP6885496B2 (enExample)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2004030809A (ja) * 2002-06-27 2004-01-29 Toray Ind Inc 磁気記録媒体用支持体及び磁気記録媒体
JP4543395B2 (ja) * 2003-11-14 2010-09-15 東レ株式会社 フィルム及びそれを用いた磁気記録媒体
JP2005276258A (ja) * 2004-03-23 2005-10-06 Fuji Photo Film Co Ltd 磁気記録媒体
JP2005346865A (ja) * 2004-06-04 2005-12-15 Toray Ind Inc 磁気記録媒体
JP2007226943A (ja) * 2006-01-24 2007-09-06 Toray Ind Inc 磁気記録媒体用支持体および磁気記録媒体
JP2011170944A (ja) * 2010-02-22 2011-09-01 Fujifilm Corp 記録テープカートリッジ
JP6565908B2 (ja) * 2014-06-24 2019-08-28 ソニー株式会社 磁気記録媒体
JP6549528B2 (ja) * 2016-06-23 2019-07-24 富士フイルム株式会社 磁気テープおよび磁気テープ装置

Also Published As

Publication number Publication date
JP7226468B2 (ja) 2023-02-21
JP2020166925A (ja) 2020-10-08
JP2021103607A (ja) 2021-07-15

Similar Documents

Publication Publication Date Title
JP6753549B1 (ja) 磁気記録媒体およびカートリッジ
JP6590102B1 (ja) 磁気記録カートリッジ
JP6590103B1 (ja) 磁気記録媒体
JP6610823B1 (ja) 磁気記録媒体
JP6590104B1 (ja) 磁気記録媒体
JP6610821B1 (ja) 磁気記録媒体
JP6610822B1 (ja) 磁気記録媒体
JP7052903B2 (ja) 磁気記録カートリッジ
JP6662488B1 (ja) 磁気記録カートリッジ
JP7226467B2 (ja) 磁気記録媒体
JP6680396B1 (ja) 磁気記録媒体
JP6733798B1 (ja) 磁気記録媒体
JP6662487B1 (ja) 磁気記録媒体
JP6733794B1 (ja) 磁気記録媒体
JP6885496B2 (ja) 磁気記録媒体
JP6883227B2 (ja) 磁気記録媒体
JP6677339B1 (ja) 磁気記録媒体
JP6677340B1 (ja) 磁気記録媒体
JP7247858B2 (ja) 磁気記録媒体

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210325

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210325

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20210325

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20210330

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210413

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210426

R151 Written notification of patent or utility model registration

Ref document number: 6885496

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151