JP4982810B2 - ガラス基板の製造方法および磁気ディスクの製造方法 - Google Patents
ガラス基板の製造方法および磁気ディスクの製造方法 Download PDFInfo
- Publication number
- JP4982810B2 JP4982810B2 JP2008523652A JP2008523652A JP4982810B2 JP 4982810 B2 JP4982810 B2 JP 4982810B2 JP 2008523652 A JP2008523652 A JP 2008523652A JP 2008523652 A JP2008523652 A JP 2008523652A JP 4982810 B2 JP4982810 B2 JP 4982810B2
- Authority
- JP
- Japan
- Prior art keywords
- glass substrate
- magnetic
- polishing
- binding energy
- manufacturing
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C19/00—Surface treatment of glass, not in the form of fibres or filaments, by mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Surface Treatment Of Glass (AREA)
- Magnetic Record Carriers (AREA)
Description
Spectroscopy)を意味する。Si原子の束縛エネルギーの測定は、VG社製の「ESCALab200R」を用いて行なわれる。測定条件は次の通りである。アノード:Mg(600W)、TOA:90°、レンズモード:Large、PE:100/10eV(サーベイ/状態分析)。また束縛エネルギーの深さ方向の分析には、Arイオンエッチングを併用してもよい。
Claims (8)
- 表面をポリッシュするポリッシング工程と;
ポリッシュしたガラス基板について、最表面部における、XPSによるSi原子の2P軌道占有電子に対する束縛エネルギーのある特性が、ある特定値以下であるかどうか検査する工程とを含む、SiO 2 を主成分とするガラス基板の製造方法。 - 該ある特性が該束縛エネルギーのシフト量であり、該特定値が0.10eVである、請求項1に記載のガラス基板の製造方法。
- 該ある特性が該束縛エネルギー分布の半値巾であり、該特定値が2.15eVである、請求項1に記載のガラス基板の製造方法。
- 該ポリッシング工程の後、該検査工程の前に、該ガラス基板表面をエッチング作用のある洗浄液により洗浄する工程をさらに含む、請求項1に記載のガラス基板の製造方法。
- 該洗浄液はフッ化水素酸である、請求項4に記載のガラス基板の製造方法。
- 該検査に合格したガラス基板について、超精密研磨加工を施す超精密研磨工程をさらに含む、請求項1に記載のガラス基板の製造方法。
- 超精密研磨加工後の最表面部の表面粗さRaが0.3nm以下である、請求項6記載のガラス基板の製造方法。
- 請求項1乃至7のいずれか一つに記載の製造方法により製造されたガラス基板上に、磁気記録層を形成する工程を含む、磁気ディスクの製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008523652A JP4982810B2 (ja) | 2006-07-03 | 2007-06-27 | ガラス基板の製造方法および磁気ディスクの製造方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006183093 | 2006-07-03 | ||
JP2006183093 | 2006-07-03 | ||
PCT/JP2007/062867 WO2008004471A1 (fr) | 2006-07-03 | 2007-06-27 | Procédé de fabrication d'un substrat de verre, disque magnétique et son procédé de fabrication |
JP2008523652A JP4982810B2 (ja) | 2006-07-03 | 2007-06-27 | ガラス基板の製造方法および磁気ディスクの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008004471A1 JPWO2008004471A1 (ja) | 2009-12-03 |
JP4982810B2 true JP4982810B2 (ja) | 2012-07-25 |
Family
ID=38894442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008523652A Expired - Fee Related JP4982810B2 (ja) | 2006-07-03 | 2007-06-27 | ガラス基板の製造方法および磁気ディスクの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8096148B2 (ja) |
JP (1) | JP4982810B2 (ja) |
MY (1) | MY149133A (ja) |
WO (1) | WO2008004471A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8673163B2 (en) | 2008-06-27 | 2014-03-18 | Apple Inc. | Method for fabricating thin sheets of glass |
US7810355B2 (en) | 2008-06-30 | 2010-10-12 | Apple Inc. | Full perimeter chemical strengthening of substrates |
EP2395944B1 (de) * | 2009-02-11 | 2020-09-23 | Georg Lutter | Kathetersystem zur Rekonstruktion einer anatomischen Struktur |
CN102388003B (zh) | 2009-03-02 | 2014-11-19 | 苹果公司 | 用于强化用于便携式电子设备的玻璃盖的技术 |
US20110019354A1 (en) * | 2009-03-02 | 2011-01-27 | Christopher Prest | Techniques for Strengthening Glass Covers for Portable Electronic Devices |
US9778685B2 (en) | 2011-05-04 | 2017-10-03 | Apple Inc. | Housing for portable electronic device with reduced border region |
US9213451B2 (en) | 2010-06-04 | 2015-12-15 | Apple Inc. | Thin glass for touch panel sensors and methods therefor |
US10189743B2 (en) | 2010-08-18 | 2019-01-29 | Apple Inc. | Enhanced strengthening of glass |
US8824140B2 (en) | 2010-09-17 | 2014-09-02 | Apple Inc. | Glass enclosure |
US8950215B2 (en) * | 2010-10-06 | 2015-02-10 | Apple Inc. | Non-contact polishing techniques for reducing roughness on glass surfaces |
US9725359B2 (en) | 2011-03-16 | 2017-08-08 | Apple Inc. | Electronic device having selectively strengthened glass |
US10781135B2 (en) | 2011-03-16 | 2020-09-22 | Apple Inc. | Strengthening variable thickness glass |
US9128666B2 (en) | 2011-05-04 | 2015-09-08 | Apple Inc. | Housing for portable electronic device with reduced border region |
US9944554B2 (en) | 2011-09-15 | 2018-04-17 | Apple Inc. | Perforated mother sheet for partial edge chemical strengthening and method therefor |
US9516149B2 (en) | 2011-09-29 | 2016-12-06 | Apple Inc. | Multi-layer transparent structures for electronic device housings |
US10144669B2 (en) | 2011-11-21 | 2018-12-04 | Apple Inc. | Self-optimizing chemical strengthening bath for glass |
US10133156B2 (en) | 2012-01-10 | 2018-11-20 | Apple Inc. | Fused opaque and clear glass for camera or display window |
US8773848B2 (en) | 2012-01-25 | 2014-07-08 | Apple Inc. | Fused glass device housings |
US9946302B2 (en) | 2012-09-19 | 2018-04-17 | Apple Inc. | Exposed glass article with inner recessed area for portable electronic device housing |
US9459661B2 (en) | 2013-06-19 | 2016-10-04 | Apple Inc. | Camouflaged openings in electronic device housings |
US9886062B2 (en) | 2014-02-28 | 2018-02-06 | Apple Inc. | Exposed glass article with enhanced stiffness for portable electronic device housing |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001312817A (ja) * | 2000-04-26 | 2001-11-09 | Fuji Electric Co Ltd | 磁気記録媒体用ガラス基板の洗浄方法、該洗浄方法により洗浄された磁気記録媒体用ガラス基板、および該基板を使用した磁気記録媒体 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG84541A1 (en) * | 1998-08-19 | 2001-11-20 | Hoya Corp | Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same |
US6553788B1 (en) * | 1999-02-23 | 2003-04-29 | Nippon Sheet Glass Co., Ltd. | Glass substrate for magnetic disk and method for manufacturing |
JP2001027623A (ja) * | 1999-07-14 | 2001-01-30 | Canon Inc | 電子分光装置及びそれを用いた測定方法 |
KR20010048192A (ko) * | 1999-11-25 | 2001-06-15 | 황정남 | 유리에서 나트륨 원소 제거 방법 |
JP2001281180A (ja) * | 2000-03-30 | 2001-10-10 | Canon Inc | 光電子分光装置を用いた測定方法及び試料前処理方法 |
EP1307919A4 (en) * | 2000-07-12 | 2009-04-15 | California Inst Of Techn | ELECTRICAL PASSIVATION OF SILIC-SIZED SURFACES USING ORGANIC LAYERS |
JP2002030275A (ja) * | 2000-07-17 | 2002-01-31 | Nihon Micro Coating Co Ltd | テクスチャ加工液及び方法 |
US20020090521A1 (en) * | 2000-09-29 | 2002-07-11 | Tatsuji Nakajima | Silica layers and antireflection film using same |
TWI243264B (en) * | 2000-12-04 | 2005-11-11 | Fuji Photo Film Co Ltd | Optical compensating sheet and process for producing it, polarizing plate and liquid crystal display device |
JP4785274B2 (ja) * | 2001-05-29 | 2011-10-05 | 日本板硝子株式会社 | ガラス物品およびそれを用いた磁気記録媒体用ガラス基板 |
US6689476B2 (en) * | 2001-06-27 | 2004-02-10 | Guardian Industries Corp. | Hydrophobic coating including oxide of Ni and/or Cr |
JP3962241B2 (ja) * | 2001-11-12 | 2007-08-22 | 株式会社日立グローバルストレージテクノロジーズ | 平滑面磁気ディスク対応ヘッドスライダ、ヘッドスライダアッセンブリ、および磁気ディスク装置、ならびに磁気ディスクの検査・製造方法、および磁気ディスク装置の組み立て方法 |
US7006328B2 (en) * | 2002-08-22 | 2006-02-28 | Showa Denko Kabushiki Kaisha | Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus |
US6972135B2 (en) * | 2002-11-18 | 2005-12-06 | Komag, Inc. | Texturing of magnetic disk substrates |
US7255943B2 (en) * | 2003-05-14 | 2007-08-14 | Hoya Corporation | Glass substrate for a magnetic disk, magnetic disk, and methods of producing the glass substrate and the magnetic disk |
JP2007505749A (ja) * | 2003-09-15 | 2007-03-15 | サイロクエスト インコーポレーテッド | 化学的機械的研磨用の研磨パッド |
JP2005129163A (ja) | 2003-10-24 | 2005-05-19 | Toyo Glass Co Ltd | 情報記録ガラス基板、情報記録ガラス基板の製造方法、情報記録ディスク及びハードディスク装置 |
US7566673B2 (en) * | 2003-10-31 | 2009-07-28 | Konica Minolta Opto, Inc. | Glass substrate for an information recording medium and information recording medium employing it |
JP4039381B2 (ja) * | 2004-03-25 | 2008-01-30 | コニカミノルタオプト株式会社 | ガラス組成物を用いた情報記録媒体用ガラス基板及びこれを用いた情報記録媒体 |
US7829150B2 (en) * | 2004-06-17 | 2010-11-09 | Cornell Research Foundation, Inc. | Growth of inorganic thin films using self-assembled monolayers as nucleation sites |
-
2007
- 2007-06-27 MY MYPI20085269A patent/MY149133A/en unknown
- 2007-06-27 JP JP2008523652A patent/JP4982810B2/ja not_active Expired - Fee Related
- 2007-06-27 WO PCT/JP2007/062867 patent/WO2008004471A1/ja active Application Filing
- 2007-07-02 US US11/824,767 patent/US8096148B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001312817A (ja) * | 2000-04-26 | 2001-11-09 | Fuji Electric Co Ltd | 磁気記録媒体用ガラス基板の洗浄方法、該洗浄方法により洗浄された磁気記録媒体用ガラス基板、および該基板を使用した磁気記録媒体 |
Also Published As
Publication number | Publication date |
---|---|
MY149133A (en) | 2013-07-15 |
US8096148B2 (en) | 2012-01-17 |
JPWO2008004471A1 (ja) | 2009-12-03 |
US20080026260A1 (en) | 2008-01-31 |
WO2008004471A1 (fr) | 2008-01-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4982810B2 (ja) | ガラス基板の製造方法および磁気ディスクの製造方法 | |
WO2014050241A1 (ja) | 磁気ディスク用ガラス基板、磁気ディスク、磁気ディスク用ガラス基板の製造方法 | |
JP5321594B2 (ja) | ガラス基板の製造方法、および磁気記録媒体の製造方法 | |
WO2011033948A1 (ja) | 情報記録媒体用ガラス基板、情報記録媒体及び情報記録媒体用ガラス基板の製造方法 | |
JP2009076167A (ja) | 情報記録媒体用ガラス基板の製造方法、情報記録媒体用ガラス基板及び磁気記録媒体 | |
JP2008287779A (ja) | 情報記録媒体用ガラス基板の製造方法、情報記録媒体用ガラス基板及び磁気記録媒体 | |
JP2011060416A (ja) | 情報記録媒体用ガラス基板の製造方法 | |
JP4623211B2 (ja) | 情報記録媒体用ガラス基板の製造方法およびそれを用いる磁気ディスク | |
WO2010041536A1 (ja) | ガラス基板の製造方法、および磁気記録媒体の製造方法 | |
JP4631971B2 (ja) | ガラス基板の製造方法および磁気ディスクの製造方法 | |
WO2010041537A1 (ja) | ガラス基板の製造方法、および磁気記録媒体の製造方法 | |
JP2009087483A (ja) | 情報記録媒体用ガラス基板の製造方法、情報記録媒体用ガラス基板及び磁気記録媒体 | |
WO2011021478A1 (ja) | ガラス基板の製造方法、ガラス基板、磁気記録媒体の製造方法および磁気記録媒体 | |
JP5636243B2 (ja) | 情報記録媒体用ガラス基板の製造方法 | |
JP5859757B2 (ja) | Hdd用ガラス基板の製造方法 | |
JP5706250B2 (ja) | Hdd用ガラス基板 | |
JP2012079365A (ja) | 情報記録媒体用ガラス基板の製造方法 | |
JP2012203960A (ja) | 磁気情報記録媒体用ガラス基板の製造方法 | |
WO2012042735A1 (ja) | 情報記録媒体用ガラス基板の製造方法 | |
US20080014469A1 (en) | Method for cleaning a glass substrate, method for fabricating a glass substrate, and magnetic disk using the same | |
JP5360331B2 (ja) | Hdd用ガラス基板の製造方法 | |
JP5722618B2 (ja) | 磁気情報記録媒体用ガラス基板の製造方法 | |
JP2012203959A (ja) | 磁気情報記録媒体用ガラス基板の製造方法 | |
JP2013012282A (ja) | Hdd用ガラス基板の製造方法 | |
WO2014156114A1 (ja) | 情報記録媒体用ガラス基板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120117 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120222 |
|
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: 20120321 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120403 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150511 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150511 Year of fee payment: 3 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |