CN1385833A - 磁记录介质用玻璃基板及其制造方法 - Google Patents
磁记录介质用玻璃基板及其制造方法 Download PDFInfo
- Publication number
- CN1385833A CN1385833A CN02119938A CN02119938A CN1385833A CN 1385833 A CN1385833 A CN 1385833A CN 02119938 A CN02119938 A CN 02119938A CN 02119938 A CN02119938 A CN 02119938A CN 1385833 A CN1385833 A CN 1385833A
- Authority
- CN
- China
- Prior art keywords
- magnetic recording
- base plate
- glass substrate
- recording carrier
- glass
- 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
- 239000011521 glass Substances 0.000 title claims abstract description 130
- 239000000758 substrate Substances 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims description 24
- 230000002093 peripheral effect Effects 0.000 claims abstract description 61
- 238000000227 grinding Methods 0.000 claims description 59
- 239000002585 base Substances 0.000 claims description 34
- 238000003754 machining Methods 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims description 10
- 150000001340 alkali metals Chemical class 0.000 claims description 10
- 239000005368 silicate glass Substances 0.000 claims description 10
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 8
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 4
- 230000006378 damage Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 description 23
- 238000012360 testing method Methods 0.000 description 12
- 208000037656 Respiratory Sounds Diseases 0.000 description 6
- 238000003475 lamination Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 239000002241 glass-ceramic Substances 0.000 description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 3
- 241000193935 Araneus diadematus Species 0.000 description 2
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005329 float glass Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001414 potassium ion Inorganic materials 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- 239000004317 sodium nitrate Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000662429 Fenerbahce Species 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 1
- 229910001573 adamantine Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 description 1
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73921—Glass or ceramic substrates
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
- Y10T428/219—Edge structure
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001143534A JP4274708B2 (ja) | 2001-05-14 | 2001-05-14 | 磁気記録媒体用ガラス基板及びその製造方法 |
JP143534/2001 | 2001-05-14 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100999990A Division CN100351910C (zh) | 2001-05-14 | 2002-05-14 | 磁记录介质用玻璃基板及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1385833A true CN1385833A (zh) | 2002-12-18 |
CN1240057C CN1240057C (zh) | 2006-02-01 |
Family
ID=18989670
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100999990A Expired - Lifetime CN100351910C (zh) | 2001-05-14 | 2002-05-14 | 磁记录介质用玻璃基板及其制造方法 |
CNB021199388A Expired - Lifetime CN1240057C (zh) | 2001-05-14 | 2002-05-14 | 磁记录介质用玻璃基板及其制造方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100999990A Expired - Lifetime CN100351910C (zh) | 2001-05-14 | 2002-05-14 | 磁记录介质用玻璃基板及其制造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6808784B2 (zh) |
JP (1) | JP4274708B2 (zh) |
CN (2) | CN100351910C (zh) |
MY (1) | MY127597A (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101147193B (zh) * | 2005-03-28 | 2010-11-24 | Hoya株式会社 | 磁盘用玻璃基板及其制造方法、以及磁盘及其制造方法 |
CN102157167A (zh) * | 2009-11-25 | 2011-08-17 | Hoya株式会社 | 玻璃毛坯及其制造方法,磁记录介质和磁记录介质的衬底 |
CN101356575B (zh) * | 2006-09-29 | 2011-09-21 | Hoya株式会社 | 磁盘用玻璃基板的制造方法、磁盘的制造方法及磁盘用玻璃基板研磨装置 |
CN102642161A (zh) * | 2011-02-16 | 2012-08-22 | 昭和电工株式会社 | 磁记录介质用玻璃基板的制造方法 |
CN102947238A (zh) * | 2010-06-21 | 2013-02-27 | 旭硝子株式会社 | 玻璃基板及玻璃基板的制造方法 |
CN103493134A (zh) * | 2011-04-27 | 2014-01-01 | Hoya株式会社 | 磁盘用玻璃毛坯的制造方法以及磁盘用玻璃基板的制造方法 |
CN104603875A (zh) * | 2012-09-28 | 2015-05-06 | Hoya株式会社 | 磁盘用玻璃基板、磁盘 |
CN108177037A (zh) * | 2017-12-15 | 2018-06-19 | 中国科学院上海光学精密机械研究所 | 大尺寸多块钕玻璃元件侧面加工装置检测装置和加工方法 |
CN108198577A (zh) * | 2012-12-29 | 2018-06-22 | Hoya株式会社 | 磁盘用玻璃基板和磁盘 |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002150547A (ja) * | 2000-11-06 | 2002-05-24 | Nippon Sheet Glass Co Ltd | 情報記録媒体用ガラス基板の製造方法 |
JP3516233B2 (ja) * | 2000-11-06 | 2004-04-05 | 日本板硝子株式会社 | 情報記録媒体用ガラス基板の製造方法 |
US20030110803A1 (en) * | 2001-09-04 | 2003-06-19 | Nippon Sheet Glass Co., Ltd. | Method of manufacturing glass substrate for magnetic disks, and glass substrate for magnetic disks |
JP2003146704A (ja) * | 2001-11-09 | 2003-05-21 | Nippon Sheet Glass Co Ltd | 情報記録媒体用ガラス基板の化学強化処理装置 |
US20030232219A1 (en) * | 2002-06-13 | 2003-12-18 | Hiroshi Nishizawa | Magnetic disk, magnetic disk manufacturing method and magnetic disk apparatus |
US7102206B2 (en) * | 2003-01-20 | 2006-09-05 | Matsushita Electric Industrial Co., Ltd. | Semiconductor substrate, method for fabricating the same, and method for fabricating semiconductor device |
WO2005005099A1 (ja) | 2003-07-15 | 2005-01-20 | Hoya Corporation | 磁気ディスク用基板の製造方法、磁気ディスク用基板の製造装置及び磁気ディスクの製造方法 |
WO2006001400A1 (en) * | 2004-06-25 | 2006-01-05 | Showa Denko K.K. | Magnetic recording medium substrate and manufacturing method therefor, magnetic recording medium, and magnetic recording device |
US20060018052A1 (en) * | 2004-07-23 | 2006-01-26 | Konica Minolta Opto, Inc. | Information recording medium glass substrate, information recording medium, information recording apparatus and manufacturing method of information recording medium glass substrate |
JP2006079800A (ja) * | 2004-08-11 | 2006-03-23 | Showa Denko Kk | 磁気記録媒体用シリコン基板及びその製造方法並びに磁気記録媒体 |
JP2006092722A (ja) * | 2004-08-27 | 2006-04-06 | Showa Denko Kk | 磁気ディスク用基板および磁気ディスクの製造方法 |
US20090148724A1 (en) * | 2004-08-30 | 2009-06-11 | Showa Denko K.K. | Glass Substrate for Magnetic Recording Medium and Magnetic Recording Medium |
WO2006025572A1 (en) * | 2004-08-30 | 2006-03-09 | Showa Denko K.K. | Glass substrate for magnetic recording medium and magnetic recording medium |
JP2006114198A (ja) * | 2004-09-17 | 2006-04-27 | Showa Denko Kk | 磁気記録媒体用シリコン基板及び磁気記録媒体 |
JP2006294099A (ja) * | 2005-04-07 | 2006-10-26 | Asahi Glass Co Ltd | 磁気記録媒体用ガラス基板の周面研磨装置及び製造方法 |
KR20090041363A (ko) * | 2006-08-14 | 2009-04-28 | 아사히 가라스 가부시키가이샤 | 내열 강화 유리 및 내열 강화 유리의 제조 방법 |
CN102615588B (zh) * | 2006-09-19 | 2014-12-17 | Hoya株式会社 | 磁盘用玻璃基板的制造方法及磁盘的制造方法 |
US8241768B2 (en) | 2007-02-20 | 2012-08-14 | Hoya Corporation | Magnetic disk substrate, magnetic disk, and magnetic disk device |
CN101611444B (zh) * | 2007-02-20 | 2012-10-10 | Hoya株式会社 | 磁盘用基板、磁盘以及磁盘装置 |
JP2009230812A (ja) * | 2008-03-24 | 2009-10-08 | Furukawa Electric Co Ltd:The | ガラス基板および熱アシスト磁気記録ディスク |
JP5321594B2 (ja) * | 2008-10-17 | 2013-10-23 | コニカミノルタ株式会社 | ガラス基板の製造方法、および磁気記録媒体の製造方法 |
JP4559523B2 (ja) * | 2009-02-24 | 2010-10-06 | 株式会社オハラ | 情報記録媒体用ガラス基板およびその製造方法 |
JP2010211882A (ja) * | 2009-03-11 | 2010-09-24 | Showa Denko Kk | 磁気記録媒体用円盤状基板の研削装置、円盤状基板の製造方法および円盤状基板の研削用砥石 |
JP2012111661A (ja) * | 2010-11-24 | 2012-06-14 | Nippon Electric Glass Co Ltd | ガラス基板およびその製造方法 |
JP2011108355A (ja) * | 2010-12-20 | 2011-06-02 | Hoya Corp | 磁気記録媒体用ガラス基板及びその製造方法 |
JP5731245B2 (ja) * | 2011-03-23 | 2015-06-10 | Hoya株式会社 | 磁気ディスク用ガラス基板の製造方法 |
JPWO2013031547A1 (ja) * | 2011-08-29 | 2015-03-23 | 旭硝子株式会社 | ガラス板、およびガラス板の製造方法 |
SG10201706984QA (en) * | 2012-09-28 | 2017-10-30 | Hoya Corp | Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate |
WO2015099177A1 (ja) * | 2013-12-27 | 2015-07-02 | Hoya株式会社 | 磁気ディスク用基板および磁気ディスク |
CN106030709B (zh) * | 2014-03-31 | 2018-02-23 | Hoya株式会社 | 磁盘用玻璃基板 |
JP6307407B2 (ja) * | 2014-09-30 | 2018-04-04 | Hoya株式会社 | ガラス基板の製造方法 |
JP6384303B2 (ja) * | 2014-12-10 | 2018-09-05 | Agc株式会社 | ガラス基板の研磨方法 |
CN107615381B (zh) | 2015-09-30 | 2019-09-13 | Hoya株式会社 | 磁盘用玻璃基板、磁盘、玻璃基板中间体和磁盘用玻璃基板的制造方法 |
JP6020754B1 (ja) * | 2015-12-25 | 2016-11-02 | 旭硝子株式会社 | 磁気記録媒体用ガラス基板、磁気記録媒体 |
JP7271875B2 (ja) * | 2018-08-29 | 2023-05-12 | 住友金属鉱山株式会社 | 酸化物単結晶基板の製造方法 |
JP7201808B2 (ja) * | 2019-06-28 | 2023-01-10 | Hoya株式会社 | ガラス板の製造方法および磁気ディスクの製造方法 |
JP7567790B2 (ja) * | 2019-07-10 | 2024-10-16 | Agc株式会社 | ガラス基体およびその製造方法 |
CN110948326B (zh) * | 2019-11-29 | 2021-09-17 | 武汉天马微电子有限公司 | 研磨刀具及用于显示面板的研磨方法、显示面板及装置 |
US11664050B2 (en) * | 2021-10-05 | 2023-05-30 | Western Digital Technologies, Inc. | Tuned edge profile of a disk substrate for use in magnetic recording media |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1148727C (zh) * | 1996-09-30 | 2004-05-05 | Hoya株式会社 | 玻璃衬底、磁性载体以及磁性载体的制造方法 |
JPH11265506A (ja) * | 1998-03-17 | 1999-09-28 | Asahi Techno Glass Corp | 磁気ディスク用ガラス基板及び磁気ディスク |
JP2002150547A (ja) * | 2000-11-06 | 2002-05-24 | Nippon Sheet Glass Co Ltd | 情報記録媒体用ガラス基板の製造方法 |
JP3516233B2 (ja) * | 2000-11-06 | 2004-04-05 | 日本板硝子株式会社 | 情報記録媒体用ガラス基板の製造方法 |
US6821893B2 (en) * | 2001-03-26 | 2004-11-23 | Hoya Corporation | Method of manufacturing a substrate for information recording media |
JP4185266B2 (ja) * | 2001-07-25 | 2008-11-26 | Hoya株式会社 | 情報記録媒体用基板の製造方法 |
US20030110803A1 (en) * | 2001-09-04 | 2003-06-19 | Nippon Sheet Glass Co., Ltd. | Method of manufacturing glass substrate for magnetic disks, and glass substrate for magnetic disks |
US6521862B1 (en) * | 2001-10-09 | 2003-02-18 | International Business Machines Corporation | Apparatus and method for improving chamfer quality of disk edge surfaces with laser treatment |
-
2001
- 2001-05-14 JP JP2001143534A patent/JP4274708B2/ja not_active Expired - Lifetime
-
2002
- 2002-05-10 MY MYPI20021689A patent/MY127597A/en unknown
- 2002-05-10 US US10/143,372 patent/US6808784B2/en not_active Expired - Lifetime
- 2002-05-14 CN CNB2005100999990A patent/CN100351910C/zh not_active Expired - Lifetime
- 2002-05-14 CN CNB021199388A patent/CN1240057C/zh not_active Expired - Lifetime
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101147193B (zh) * | 2005-03-28 | 2010-11-24 | Hoya株式会社 | 磁盘用玻璃基板及其制造方法、以及磁盘及其制造方法 |
CN101356575B (zh) * | 2006-09-29 | 2011-09-21 | Hoya株式会社 | 磁盘用玻璃基板的制造方法、磁盘的制造方法及磁盘用玻璃基板研磨装置 |
CN102157167A (zh) * | 2009-11-25 | 2011-08-17 | Hoya株式会社 | 玻璃毛坯及其制造方法,磁记录介质和磁记录介质的衬底 |
CN102157167B (zh) * | 2009-11-25 | 2015-11-25 | Hoya株式会社 | 玻璃毛坯及其制造方法,磁记录介质和磁记录介质的衬底 |
CN102947238A (zh) * | 2010-06-21 | 2013-02-27 | 旭硝子株式会社 | 玻璃基板及玻璃基板的制造方法 |
CN102947238B (zh) * | 2010-06-21 | 2016-01-20 | 旭硝子株式会社 | 玻璃基板及玻璃基板的制造方法 |
CN102642161A (zh) * | 2011-02-16 | 2012-08-22 | 昭和电工株式会社 | 磁记录介质用玻璃基板的制造方法 |
CN103493134B (zh) * | 2011-04-27 | 2017-10-03 | Hoya株式会社 | 磁盘用玻璃毛坯的制造方法以及磁盘用玻璃基板的制造方法 |
CN103493134A (zh) * | 2011-04-27 | 2014-01-01 | Hoya株式会社 | 磁盘用玻璃毛坯的制造方法以及磁盘用玻璃基板的制造方法 |
CN107507632B (zh) * | 2011-04-27 | 2020-03-03 | Hoya株式会社 | 磁盘用玻璃基板的制造方法 |
CN107507632A (zh) * | 2011-04-27 | 2017-12-22 | Hoya株式会社 | 磁盘用玻璃基板的制造方法 |
US9583128B2 (en) | 2012-09-28 | 2017-02-28 | Hoya Corporation | Magnetic-disk glass substrate and magnetic disk |
CN104603875B (zh) * | 2012-09-28 | 2016-07-06 | Hoya株式会社 | 磁盘用玻璃基板、磁盘 |
US10290315B2 (en) | 2012-09-28 | 2019-05-14 | Hoya Corporation | Magnetic-disk substrate and magnetic disk |
CN104603875A (zh) * | 2012-09-28 | 2015-05-06 | Hoya株式会社 | 磁盘用玻璃基板、磁盘 |
US11094344B2 (en) | 2012-09-28 | 2021-08-17 | Hoya Corporation | Hard disk drive with magnetic-disk substrate |
CN108198577A (zh) * | 2012-12-29 | 2018-06-22 | Hoya株式会社 | 磁盘用玻璃基板和磁盘 |
CN108198577B (zh) * | 2012-12-29 | 2019-04-23 | Hoya株式会社 | 磁盘用玻璃基板和磁盘 |
US10553243B2 (en) | 2012-12-29 | 2020-02-04 | Hoya Corporation | Substrate for magnetic disk and magnetic disk |
CN108177037A (zh) * | 2017-12-15 | 2018-06-19 | 中国科学院上海光学精密机械研究所 | 大尺寸多块钕玻璃元件侧面加工装置检测装置和加工方法 |
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CN1240057C (zh) | 2006-02-01 |
MY127597A (en) | 2006-12-29 |
JP2002342915A (ja) | 2002-11-29 |
CN1773611A (zh) | 2006-05-17 |
JP4274708B2 (ja) | 2009-06-10 |
US20020197437A1 (en) | 2002-12-26 |
CN100351910C (zh) | 2007-11-28 |
US6808784B2 (en) | 2004-10-26 |
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