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
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- 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
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- glass substrate
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- 239000000758 substrate Substances 0.000 title claims description 135
- 239000011521 glass Substances 0.000 title claims description 125
- 238000004519 manufacturing process Methods 0.000 title claims description 34
- 238000005498 polishing Methods 0.000 claims description 33
- 238000009826 distribution Methods 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000007517 polishing process Methods 0.000 claims description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 16
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 239000011241 protective layer Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000006061 abrasive grain Substances 0.000 description 6
- 229910001149 41xx steel Inorganic materials 0.000 description 5
- 239000006249 magnetic particle Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910000943 NiAl Inorganic materials 0.000 description 3
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 3
- 239000005354 aluminosilicate glass Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 238000007772 electroless plating Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000005361 soda-lime glass Substances 0.000 description 3
- 229910000599 Cr alloy Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000010702 perfluoropolyether Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910002441 CoNi Inorganic materials 0.000 description 1
- 229910018979 CoPt Inorganic materials 0.000 description 1
- 229910000684 Cobalt-chrome Inorganic materials 0.000 description 1
- 229910002546 FeCo Inorganic materials 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XTEOTKRLHMVSEO-UHFFFAOYSA-N [Si](=O)=O.[O-2].[Al+3].[O-2].[Li+] Chemical compound [Si](=O)=O.[O-2].[Al+3].[O-2].[Li+] XTEOTKRLHMVSEO-UHFFFAOYSA-N 0.000 description 1
- YRLSDFLDWGBBGW-UHFFFAOYSA-N [Si](=O)=O.[O-2].[Li+].[Li+] Chemical compound [Si](=O)=O.[O-2].[Li+].[Li+] YRLSDFLDWGBBGW-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000005407 aluminoborosilicate glass Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 239000010952 cobalt-chrome Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000003280 down draw process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- -1 glycol compound Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (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 (en) | 2006-07-03 | 2007-06-27 | Process for producing glass substrate, magnetic disc and process for manufacturing the same |
| 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)
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| 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 |
| US10258471B2 (en) * | 2009-02-11 | 2019-04-16 | Vdyne, Llc | Catheter |
| US20110019354A1 (en) * | 2009-03-02 | 2011-01-27 | Christopher Prest | Techniques for Strengthening Glass Covers for Portable Electronic Devices |
| JP5616907B2 (ja) | 2009-03-02 | 2014-10-29 | アップル インコーポレイテッド | ポータブル電子デバイスのガラスカバーを強化する技術 |
| 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 |
| US10781135B2 (en) | 2011-03-16 | 2020-09-22 | Apple Inc. | Strengthening variable thickness glass |
| US9725359B2 (en) | 2011-03-16 | 2017-08-08 | Apple Inc. | Electronic device having selectively strengthened 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 |
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| US6383404B1 (en) * | 1998-08-19 | 2002-05-07 | Hoya Corporation | 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 |
| US7491642B2 (en) * | 2000-07-12 | 2009-02-17 | The California Institute Of Technology | Electrical passivation of silicon-containing 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 |
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-
2007
- 2007-06-27 WO PCT/JP2007/062867 patent/WO2008004471A1/ja not_active Ceased
- 2007-06-27 JP JP2008523652A patent/JP4982810B2/ja not_active Expired - Fee Related
- 2007-06-27 MY MYPI20085269A patent/MY149133A/en unknown
- 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 |
| JPWO2008004471A1 (ja) | 2009-12-03 |
| WO2008004471A1 (en) | 2008-01-10 |
| US20080026260A1 (en) | 2008-01-31 |
| US8096148B2 (en) | 2012-01-17 |
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