JPWO2024053741A5 - - Google Patents
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- JPWO2024053741A5 JPWO2024053741A5 JP2024545730A JP2024545730A JPWO2024053741A5 JP WO2024053741 A5 JPWO2024053741 A5 JP WO2024053741A5 JP 2024545730 A JP2024545730 A JP 2024545730A JP 2024545730 A JP2024545730 A JP 2024545730A JP WO2024053741 A5 JPWO2024053741 A5 JP WO2024053741A5
- Authority
- JP
- Japan
- Prior art keywords
- content
- mol
- less
- magnetic recording
- recording medium
- 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.)
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025180075A JP2026021401A (ja) | 2022-09-08 | 2025-10-27 | 磁気記録媒体基板用ガラス、磁気記録媒体基板および磁気記録再生装置 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022143093 | 2022-09-08 | ||
| JP2022143093 | 2022-09-08 | ||
| PCT/JP2023/032919 WO2024053741A1 (ja) | 2022-09-08 | 2023-09-08 | 磁気記録媒体基板用ガラス、磁気記録媒体基板および磁気記録再生装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025180075A Division JP2026021401A (ja) | 2022-09-08 | 2025-10-27 | 磁気記録媒体基板用ガラス、磁気記録媒体基板および磁気記録再生装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2024053741A1 JPWO2024053741A1 (https=) | 2024-03-14 |
| JPWO2024053741A5 true JPWO2024053741A5 (https=) | 2025-05-02 |
| JP7766206B2 JP7766206B2 (ja) | 2025-11-07 |
Family
ID=90191306
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024545730A Active JP7766206B2 (ja) | 2022-09-08 | 2023-09-08 | 磁気記録媒体基板用ガラス、磁気記録媒体基板および磁気記録再生装置 |
| JP2025180075A Pending JP2026021401A (ja) | 2022-09-08 | 2025-10-27 | 磁気記録媒体基板用ガラス、磁気記録媒体基板および磁気記録再生装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025180075A Pending JP2026021401A (ja) | 2022-09-08 | 2025-10-27 | 磁気記録媒体基板用ガラス、磁気記録媒体基板および磁気記録再生装置 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4585575A1 (https=) |
| JP (2) | JP7766206B2 (https=) |
| CN (1) | CN119836403A (https=) |
| WO (1) | WO2024053741A1 (https=) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000313634A (ja) * | 1999-02-25 | 2000-11-14 | Nippon Sheet Glass Co Ltd | ガラス組成物およびその製造方法、ならびにそれを用いた情報記録媒体用基板、情報記録媒体および情報記録装置 |
| 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 |
| JP5699434B2 (ja) * | 2009-04-02 | 2015-04-08 | 旭硝子株式会社 | 情報記録媒体基板用ガラス、情報記録媒体用ガラス基板および磁気ディスク |
| 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 |
| WO2017204224A1 (ja) * | 2016-05-27 | 2017-11-30 | 旭硝子株式会社 | 磁気記録媒体用ガラス、磁気記録媒体用ガラス基板および磁気ディスク |
| 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 |
| 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 |
| JP7392909B2 (ja) * | 2019-11-25 | 2023-12-06 | 日本電気硝子株式会社 | 磁気記録媒体用ガラス基板及びそれを用いた磁気記録装置 |
| CN114787093A (zh) * | 2019-12-13 | 2022-07-22 | 豪雅株式会社 | 磁记录介质基板用或磁记录再生装置用玻璃间隔物用的玻璃、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 |
-
2023
- 2023-09-08 JP JP2024545730A patent/JP7766206B2/ja active Active
- 2023-09-08 WO PCT/JP2023/032919 patent/WO2024053741A1/ja not_active Ceased
- 2023-09-08 CN CN202380063959.7A patent/CN119836403A/zh active Pending
- 2023-09-08 EP EP23863279.8A patent/EP4585575A1/en active Pending
-
2025
- 2025-10-27 JP JP2025180075A patent/JP2026021401A/ja active Pending
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