JPWO2022196314A5 - - Google Patents
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- Publication number
- JPWO2022196314A5 JPWO2022196314A5 JP2023506930A JP2023506930A JPWO2022196314A5 JP WO2022196314 A5 JPWO2022196314 A5 JP WO2022196314A5 JP 2023506930 A JP2023506930 A JP 2023506930A JP 2023506930 A JP2023506930 A JP 2023506930A JP WO2022196314 A5 JPWO2022196314 A5 JP WO2022196314A5
- Authority
- JP
- Japan
- Prior art keywords
- less
- mass
- magnetic disk
- clamp
- disk device
- 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
- 239000012535 impurity Substances 0.000 claims description 6
- 235000013619 trace mineral Nutrition 0.000 claims description 6
- 239000011573 trace mineral Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 239000005354 aluminosilicate glass Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 10
- 238000004519 manufacturing process Methods 0.000 claims 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 1
- 229910018068 Li 2 O Inorganic materials 0.000 claims 1
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021046121 | 2021-03-19 | ||
| JP2021046121 | 2021-03-19 | ||
| PCT/JP2022/008147 WO2022196314A1 (ja) | 2021-03-19 | 2022-02-28 | 磁気ディスク装置および磁気ディスク装置を製造する方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022196314A1 JPWO2022196314A1 (https=) | 2022-09-22 |
| JPWO2022196314A5 true JPWO2022196314A5 (https=) | 2024-02-20 |
| JP7633378B2 JP7633378B2 (ja) | 2025-02-19 |
Family
ID=83321418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023506930A Active JP7633378B2 (ja) | 2021-03-19 | 2022-02-28 | 磁気ディスク装置および磁気ディスク装置を製造する方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12394440B2 (https=) |
| JP (1) | JP7633378B2 (https=) |
| CN (1) | CN117015825A (https=) |
| WO (1) | WO2022196314A1 (https=) |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6368187U (https=) * | 1986-10-22 | 1988-05-09 | ||
| JP2755156B2 (ja) * | 1994-01-31 | 1998-05-20 | 日本電気株式会社 | 磁気ディスク装置 |
| US5982581A (en) * | 1994-04-04 | 1999-11-09 | Seagate Technology, Inc. | Disc clamp with head clearance |
| US5659443A (en) * | 1995-12-01 | 1997-08-19 | International Business Machines Corporation | Split band retainer for radially clamping a disk to a hub in a disk drive |
| KR100251949B1 (ko) * | 1996-03-30 | 2000-04-15 | 윤종용 | 하드디스크 드라이브의 디스크 클램핑 장치 |
| JP2000076762A (ja) * | 1998-08-26 | 2000-03-14 | Mitsubishi Chemicals Corp | 光記録媒体の装着装置 |
| US6255750B1 (en) * | 1999-04-21 | 2001-07-03 | Seagate Technology Llc | Apparatus and method for reducing disc flutter and disc vibration effects in a disc drive |
| JP2001331995A (ja) * | 2000-05-17 | 2001-11-30 | Matsushita Electric Ind Co Ltd | 磁気ディスク装置 |
| JP4031953B2 (ja) * | 2001-06-11 | 2008-01-09 | 株式会社日立グローバルストレージテクノロジーズ | 磁気ディスク装置 |
| US7209320B1 (en) * | 2004-01-16 | 2007-04-24 | Excelstor Technology, Inc. | Offset angle disc clamp |
| JP4801997B2 (ja) * | 2006-01-06 | 2011-10-26 | アルファナテクノロジー株式会社 | ディスク装置 |
| WO2008139537A1 (ja) | 2007-04-27 | 2008-11-20 | Fujitsu Limited | 記憶媒体駆動装置 |
| JP2009054254A (ja) | 2007-08-28 | 2009-03-12 | Konica Minolta Opto Inc | 磁気記録媒体用基板及び磁気記録装置 |
| JP5227711B2 (ja) | 2007-09-28 | 2013-07-03 | Ｈｏｙａ株式会社 | 磁気ディスク用ガラス基板及びその製造方法 |
| JP2008276942A (ja) | 2008-08-19 | 2008-11-13 | Fujitsu Ltd | 密閉型記録ディスク駆動装置並びに記録ディスク駆動装置向けクランプおよびスペーサおよびスピンドルモータ |
| US8077432B2 (en) | 2009-03-11 | 2011-12-13 | Hitachi Global Storage Technologies Netherlands B.V. | Disk stack assembly with spindle motor hub having improved disk-supporting flange |
| KR20100104168A (ko) * | 2009-03-17 | 2010-09-29 | 삼성전자주식회사 | 하드디스크 드라이브의 ｆｏｄ 전압 제어 방법 |
| JPWO2011096310A1 (ja) * | 2010-02-03 | 2013-06-10 | コニカミノルタアドバンストレイヤー株式会社 | 情報記録媒体用ガラス基板、情報記録媒体用ガラス基板の製造方法及び情報記録媒体 |
| JP2013218752A (ja) * | 2012-04-05 | 2013-10-24 | Samsung Electromechanics Japan Advanced Technology Co Ltd | ディスク駆動装置 |
| WO2017188320A1 (ja) | 2016-04-27 | 2017-11-02 | 株式会社Uacj | 磁気ディスク用基板 |
| JP6998305B2 (ja) | 2016-08-01 | 2022-02-04 | 株式会社Uacj | 磁気ディスク基板用アルミニウム合金板及びその製造方法、並びに磁気ディスク |
| MY205265A (en) | 2018-11-30 | 2024-10-10 | Hoya Corp | Method for manufacturing glass plate, method for chamfering glass plate, and method for manufacturing magnetic disk |
| US12051442B2 (en) * | 2020-09-30 | 2024-07-30 | Hoya Corporation | Hard disk drive spacer having chamfered surface and main surface with inclined region |
| US12555601B2 (en) * | 2021-10-01 | 2026-02-17 | Western Digital Technologies, Inc. | Magnetic recording disk with high internal stress to reduce disk deflections from shock forces and methods for use with the disk |
-
2022
- 2022-02-28 CN CN202280022510.1A patent/CN117015825A/zh active Pending
- 2022-02-28 JP JP2023506930A patent/JP7633378B2/ja active Active
- 2022-02-28 WO PCT/JP2022/008147 patent/WO2022196314A1/ja not_active Ceased
- 2022-02-28 US US18/547,728 patent/US12394440B2/en active Active
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