JPWO2024053740A5 - - Google Patents
Download PDFInfo
- Publication number
- JPWO2024053740A5 JPWO2024053740A5 JP2024545729A JP2024545729A JPWO2024053740A5 JP WO2024053740 A5 JPWO2024053740 A5 JP WO2024053740A5 JP 2024545729 A JP2024545729 A JP 2024545729A JP 2024545729 A JP2024545729 A JP 2024545729A JP WO2024053740 A5 JPWO2024053740 A5 JP WO2024053740A5
- Authority
- JP
- Japan
- Prior art keywords
- content
- mol
- glass
- na2o
- less
- 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
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025113805A JP2025143430A (ja) | 2022-09-08 | 2025-07-04 | 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 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2022/033744 WO2024053056A1 (ja) | 2022-09-08 | 2022-09-08 | 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 |
| JPPCT/JP2022/033744 | 2022-09-08 | ||
| PCT/JP2023/032918 WO2024053740A1 (ja) | 2022-09-08 | 2023-09-08 | 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 |
|---|---|---|---|
| JP2025113805A Division JP2025143430A (ja) | 2022-09-08 | 2025-07-04 | 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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2024053740A1 JPWO2024053740A1 (https=) | 2024-03-14 |
| JPWO2024053740A5 true JPWO2024053740A5 (https=) | 2025-04-24 |
| JP7709621B2 JP7709621B2 (ja) | 2025-07-16 |
Family
ID=90191340
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024545729A Active JP7709621B2 (ja) | 2022-09-08 | 2023-09-08 | 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 |
| JP2025113805A Pending JP2025143430A (ja) | 2022-09-08 | 2025-07-04 | 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 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025113805A Pending JP2025143430A (ja) | 2022-09-08 | 2025-07-04 | 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 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20260080900A1 (https=) |
| EP (1) | EP4586250A1 (https=) |
| JP (2) | JP7709621B2 (https=) |
| CN (1) | CN119856222A (https=) |
| WO (2) | WO2024053056A1 (https=) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP5734189B2 (ja) | 2009-08-10 | 2015-06-17 | Hoya株式会社 | 磁気記録媒体基板用ガラス、磁気記録媒体基板およびその製造方法、ならびに磁気記録媒体 |
| JP6131154B2 (ja) * | 2013-09-11 | 2017-05-17 | Hoya株式会社 | 磁気記録媒体基板用ガラスおよび磁気記録媒体基板 |
| 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 |
| JP5947364B2 (ja) * | 2014-12-17 | 2016-07-06 | Hoya株式会社 | ガラス基板 |
| 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 |
-
2022
- 2022-09-08 WO PCT/JP2022/033744 patent/WO2024053056A1/ja not_active Ceased
-
2023
- 2023-09-08 WO PCT/JP2023/032918 patent/WO2024053740A1/ja not_active Ceased
- 2023-09-08 CN CN202380063968.6A patent/CN119856222A/zh active Pending
- 2023-09-08 US US19/109,973 patent/US20260080900A1/en active Pending
- 2023-09-08 JP JP2024545729A patent/JP7709621B2/ja active Active
- 2023-09-08 EP EP23863278.0A patent/EP4586250A1/en active Pending
-
2025
- 2025-07-04 JP JP2025113805A patent/JP2025143430A/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPWO2021015240A5 (ja) | 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 | |
| JPWO2021117897A5 (https=) | ||
| JP2023065457A5 (https=) | ||
| JP2020121920A5 (https=) | ||
| JP2024102290A5 (https=) | ||
| JP2016155750A5 (https=) | ||
| MY208742A (en) | Glass for magnetic recording medium substrate or for glass spacer to be used in magnetic recording/reproducing device, magnetic recording medium substrate, magnetic recording medium, glass spacer to be used in magnetic recording/reproducing device, and magnetic recording/reproducing device | |
| JP2024083508A5 (https=) | ||
| JP2021138614A5 (https=) | ||
| JP2015054794A5 (https=) | ||
| MY156178A (en) | Method for producing magnetic disk, and glass substrate for information recording medium | |
| MY176222A (en) | Glass for magnetic recording medium substrate and magnetic recording medium substrate | |
| JPH1171134A5 (https=) | ||
| CZ20001826A3 (cs) | Minerální vlna a její složení | |
| RU2008119422A (ru) | Составы стекла | |
| JPH11322362A5 (https=) | ||
| CA2153132A1 (en) | Zro2-containing glass-ceramic | |
| MY152135A (en) | Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method | |
| SG97155A1 (en) | Substrate for information recording medium and magnetic recording medium composed of crystallized glass | |
| JPWO2022186393A5 (https=) | ||
| JPWO2024053740A5 (https=) | ||
| JP2005247602A5 (https=) | ||
| JP2024019356A5 (https=) | ||
| JPH11322363A5 (https=) | ||
| JPWO2023145956A5 (https=) |