JPWO2022186393A5 - - Google Patents

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Publication number
JPWO2022186393A5
JPWO2022186393A5 JP2023503983A JP2023503983A JPWO2022186393A5 JP WO2022186393 A5 JPWO2022186393 A5 JP WO2022186393A5 JP 2023503983 A JP2023503983 A JP 2023503983A JP 2023503983 A JP2023503983 A JP 2023503983A JP WO2022186393 A5 JPWO2022186393 A5 JP WO2022186393A5
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Japan
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mol
magnetic recording
glass
content
less
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JP2023503983A
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English (en)
Japanese (ja)
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JP7488416B2 (ja
JPWO2022186393A1 (https=
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Priority claimed from PCT/JP2022/009537 external-priority patent/WO2022186393A1/ja
Publication of JPWO2022186393A1 publication Critical patent/JPWO2022186393A1/ja
Publication of JPWO2022186393A5 publication Critical patent/JPWO2022186393A5/ja
Priority to JP2024076770A priority Critical patent/JP2024102290A/ja
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Publication of JP7488416B2 publication Critical patent/JP7488416B2/ja
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JP2023503983A 2021-03-05 2022-03-04 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置 Active JP7488416B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024076770A JP2024102290A (ja) 2021-03-05 2024-05-09 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163157134P 2021-03-05 2021-03-05
US63/157,134 2021-03-05
JP2021160707 2021-09-30
JP2021160707 2021-09-30
PCT/JP2022/009537 WO2022186393A1 (ja) 2021-03-05 2022-03-04 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024076770A Division JP2024102290A (ja) 2021-03-05 2024-05-09 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置

Publications (3)

Publication Number Publication Date
JPWO2022186393A1 JPWO2022186393A1 (https=) 2022-09-09
JPWO2022186393A5 true JPWO2022186393A5 (https=) 2023-11-08
JP7488416B2 JP7488416B2 (ja) 2024-05-21

Family

ID=83154536

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023503983A Active JP7488416B2 (ja) 2021-03-05 2022-03-04 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置
JP2024076770A Pending JP2024102290A (ja) 2021-03-05 2024-05-09 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2024076770A Pending JP2024102290A (ja) 2021-03-05 2024-05-09 磁気記録媒体基板用または磁気記録再生装置用ガラススペーサ用のガラス、磁気記録媒体基板、磁気記録媒体、磁気記録再生装置用ガラススペーサおよび磁気記録再生装置

Country Status (4)

Country Link
US (1) US20240158281A1 (https=)
EP (1) EP4303197A4 (https=)
JP (2) JP7488416B2 (https=)
WO (1) WO2022186393A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY204452A (en) * 2018-05-16 2024-08-29 Hoya Corp Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium, glass spacer for magnetic recording and reproducing apparatus, and magnetic recording and reproducing apparatus
WO2024219379A1 (ja) * 2023-04-17 2024-10-24 Ａｇｃ株式会社 ガラス

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY118912A (en) * 1996-09-04 2005-02-28 Hoya Corp Glass for information recording medium substrate and glass substrate
JP2000063144A (ja) * 1998-08-11 2000-02-29 Asahi Glass Co Ltd 情報記録媒体基板用ガラス
JP3995902B2 (ja) 2001-05-31 2007-10-24 Ｈｏｙａ株式会社 情報記録媒体用ガラス基板及びそれを用いた磁気情報記録媒体
EP2465828A4 (en) 2009-08-10 2014-03-26 Hoya Corp GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM SUBSTRATE AND METHOD FOR PRODUCING THE SAME, AND MAGNETIC RECORDING MEDIUM
JP5837492B2 (ja) * 2010-06-30 2015-12-24 Hoya株式会社 情報記録媒体用ガラス基板
US8885447B2 (en) * 2012-03-29 2014-11-11 Hoya Corporation Glass for magnetic recording medium substrate, glass substrate for magnetic recording medium, and their use
SG10201605515PA (en) * 2012-05-16 2016-09-29 Hoya Corp Glass for magnetic recording medium substrate and usage thereof
WO2015029902A1 (ja) * 2013-08-30 2015-03-05 Hoya株式会社 情報記録媒体用ガラス基板
JP5900560B2 (ja) * 2014-09-01 2016-04-06 旭硝子株式会社 基板用ガラスおよびガラス基板
US11081133B2 (en) * 2016-11-14 2021-08-03 Hoya Corporation Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium and glass spacer for magnetic recording and reproducing apparatus
WO2018225725A1 (ja) * 2017-06-09 2018-12-13 Hoya株式会社 情報記録媒体基板用ガラス、情報記録媒体基板、情報記録媒体および記録再生装置用ガラススペーサ
MY204452A (en) * 2018-05-16 2024-08-29 Hoya Corp Glass for magnetic recording medium substrate, magnetic recording medium substrate, magnetic recording medium, glass spacer for magnetic recording and reproducing apparatus, and magnetic recording and reproducing apparatus
CN120441191A (zh) * 2019-07-22 2025-08-08 Hoya株式会社 玻璃、磁记录介质基板、磁记录介质、磁记录再生装置用玻璃间隔物和磁记录再生装置

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