SG11201505070VA - Glass substrate for magnetic disk and magnetic disk - Google Patents
Glass substrate for magnetic disk and magnetic diskInfo
- Publication number
- SG11201505070VA SG11201505070VA SG11201505070VA SG11201505070VA SG11201505070VA SG 11201505070V A SG11201505070V A SG 11201505070VA SG 11201505070V A SG11201505070V A SG 11201505070VA SG 11201505070V A SG11201505070V A SG 11201505070VA SG 11201505070V A SG11201505070V A SG 11201505070VA
- Authority
- SG
- Singapore
- Prior art keywords
- magnetic disk
- glass substrate
- disk
- magnetic
- glass
- Prior art date
Links
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
- G11B5/62—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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012289180 | 2012-12-29 | ||
PCT/JP2013/085270 WO2014104368A1 (en) | 2012-12-29 | 2013-12-27 | Glass substrate for magnetic disk and magnetic disk |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11201505070VA true SG11201505070VA (en) | 2015-08-28 |
Family
ID=51021429
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201705086TA SG10201705086TA (en) | 2012-12-29 | 2013-12-27 | Glass substrate for magnetic disk and magnetic disk |
SG11201505070VA SG11201505070VA (en) | 2012-12-29 | 2013-12-27 | Glass substrate for magnetic disk and magnetic disk |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201705086TA SG10201705086TA (en) | 2012-12-29 | 2013-12-27 | Glass substrate for magnetic disk and magnetic disk |
Country Status (6)
Country | Link |
---|---|
US (2) | US9595283B2 (en) |
JP (2) | JP5860173B2 (en) |
CN (3) | CN107886972B (en) |
MY (1) | MY166438A (en) |
SG (2) | SG10201705086TA (en) |
WO (1) | WO2014104368A1 (en) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104603875B (en) * | 2012-09-28 | 2016-07-06 | Hoya株式会社 | Glass substrate for disc, disk |
WO2014079478A1 (en) | 2012-11-20 | 2014-05-30 | Light In Light Srl | High speed laser processing of transparent materials |
WO2014104368A1 (en) * | 2012-12-29 | 2014-07-03 | Hoya株式会社 | Glass substrate for magnetic disk and magnetic disk |
EP2754524B1 (en) | 2013-01-15 | 2015-11-25 | Corning Laser Technologies GmbH | Method of and apparatus for laser based processing of flat substrates being wafer or glass element using a laser beam line |
JP5703430B2 (en) * | 2013-02-22 | 2015-04-22 | Hoya株式会社 | Glass substrate for magnetic disk, magnetic disk |
US9595286B2 (en) * | 2013-03-01 | 2017-03-14 | Hoya Corporation | Glass substrate for magnetic disk and magnetic disk |
EP2781296B1 (en) | 2013-03-21 | 2020-10-21 | Corning Laser Technologies GmbH | Device and method for cutting out contours from flat substrates using a laser |
US9850160B2 (en) | 2013-12-17 | 2017-12-26 | Corning Incorporated | Laser cutting of display glass compositions |
US10442719B2 (en) * | 2013-12-17 | 2019-10-15 | Corning Incorporated | Edge chamfering methods |
US11556039B2 (en) | 2013-12-17 | 2023-01-17 | Corning Incorporated | Electrochromic coated glass articles and methods for laser processing the same |
US9517963B2 (en) | 2013-12-17 | 2016-12-13 | Corning Incorporated | Method for rapid laser drilling of holes in glass and products made therefrom |
US9815730B2 (en) | 2013-12-17 | 2017-11-14 | Corning Incorporated | Processing 3D shaped transparent brittle substrate |
US20150165560A1 (en) | 2013-12-17 | 2015-06-18 | Corning Incorporated | Laser processing of slots and holes |
JP5860195B1 (en) * | 2014-03-31 | 2016-02-16 | Hoya株式会社 | Glass substrate for magnetic disk |
EP3166895B1 (en) | 2014-07-08 | 2021-11-24 | Corning Incorporated | Methods and apparatuses for laser processing materials |
JP6788571B2 (en) | 2014-07-14 | 2020-11-25 | コーニング インコーポレイテッド | Interface blocks, systems and methods for cutting transparent substrates within a wavelength range using such interface blocks. |
WO2016010943A2 (en) | 2014-07-14 | 2016-01-21 | Corning Incorporated | Method and system for arresting crack propagation |
KR20170028943A (en) * | 2014-07-14 | 2017-03-14 | 코닝 인코포레이티드 | System for and method of processing transparent materials using laser beam focal lines adjustable in length and diameter |
EP3169635B1 (en) | 2014-07-14 | 2022-11-23 | Corning Incorporated | Method and system for forming perforations |
WO2016115017A1 (en) | 2015-01-12 | 2016-07-21 | Corning Incorporated | Laser cutting of thermally tempered substrates using the multi photon absorption method |
EP3274306B1 (en) | 2015-03-24 | 2021-04-14 | Corning Incorporated | Laser cutting and processing of display glass compositions |
US11186060B2 (en) | 2015-07-10 | 2021-11-30 | Corning Incorporated | Methods of continuous fabrication of holes in flexible substrate sheets and products relating to the same |
JP6106813B1 (en) * | 2015-09-30 | 2017-04-05 | Hoya株式会社 | Glass substrate for magnetic disk, magnetic disk, glass substrate intermediate, and method for producing glass substrate for magnetic disk |
MY194570A (en) | 2016-05-06 | 2022-12-02 | Corning Inc | Laser cutting and removal of contoured shapes from transparent substrates |
US10410883B2 (en) | 2016-06-01 | 2019-09-10 | Corning Incorporated | Articles and methods of forming vias in substrates |
US10794679B2 (en) | 2016-06-29 | 2020-10-06 | Corning Incorporated | Method and system for measuring geometric parameters of through holes |
JP7090594B2 (en) | 2016-07-29 | 2022-06-24 | コーニング インコーポレイテッド | Equipment and methods for laser machining |
EP3507057A1 (en) | 2016-08-30 | 2019-07-10 | Corning Incorporated | Laser processing of transparent materials |
KR102078294B1 (en) | 2016-09-30 | 2020-02-17 | 코닝 인코포레이티드 | Apparatus and method for laser machining transparent workpieces using non-axisymmetric beam spots |
WO2018081031A1 (en) | 2016-10-24 | 2018-05-03 | Corning Incorporated | Substrate processing station for laser-based machining of sheet-like glass substrates |
US10752534B2 (en) | 2016-11-01 | 2020-08-25 | Corning Incorporated | Apparatuses and methods for laser processing laminate workpiece stacks |
US10688599B2 (en) | 2017-02-09 | 2020-06-23 | Corning Incorporated | Apparatus and methods for laser processing transparent workpieces using phase shifted focal lines |
MY192572A (en) | 2017-03-31 | 2022-08-29 | Hoya Corp | Non-magnetic substrate for magnetic disk, and magnetic disk |
US11078112B2 (en) | 2017-05-25 | 2021-08-03 | Corning Incorporated | Silica-containing substrates with vias having an axially variable sidewall taper and methods for forming the same |
US10580725B2 (en) | 2017-05-25 | 2020-03-03 | Corning Incorporated | Articles having vias with geometry attributes and methods for fabricating the same |
US10626040B2 (en) | 2017-06-15 | 2020-04-21 | Corning Incorporated | Articles capable of individual singulation |
US11554984B2 (en) | 2018-02-22 | 2023-01-17 | Corning Incorporated | Alkali-free borosilicate glasses with low post-HF etch roughness |
JP6895918B2 (en) * | 2018-03-23 | 2021-06-30 | 古河電気工業株式会社 | Manufacturing method of aluminum alloy substrate for magnetic disk, disk drive, and aluminum alloy substrate for magnetic disk |
CN110517276A (en) * | 2019-07-12 | 2019-11-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of grinding wheel dressing method and device based on machine vision |
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 (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6595028B1 (en) * | 1999-09-30 | 2003-07-22 | Hoya Corporation | Chemical reinforced glass substrate having desirable edge profile and method of manufacturing the same |
JP4274708B2 (en) | 2001-05-14 | 2009-06-10 | Hoya株式会社 | Glass substrate for magnetic recording medium and manufacturing method thereof |
JP4250385B2 (en) | 2002-08-09 | 2009-04-08 | Hoya株式会社 | Manufacturing method of glass substrate for information recording medium and grinding apparatus for glass substrate for information recording medium |
KR20120074328A (en) * | 2004-04-22 | 2012-07-05 | 아사히 가라스 가부시키가이샤 | Low-expansion glass substrate for a reflective mask and reflective mask |
IL161605A0 (en) * | 2004-04-25 | 2004-09-27 | Palziv Ltd | Box divider unit and method for its manufacture |
JP2006092722A (en) * | 2004-08-27 | 2006-04-06 | Showa Denko Kk | Magnetic disk substrate and production method of magnetic disk |
JP2006099936A (en) * | 2004-08-30 | 2006-04-13 | Hoya Corp | Method for manufacturing magnetic disk glass substrate, method for manufacturing magnetic disk, and cylindrical glass base material for glass substrate |
WO2007099646A1 (en) | 2006-02-28 | 2007-09-07 | Canon Kabushiki Kaisha | Circular shape measurement method, cylindrical shape measurement method, and cylindrical shape measurement apparatus |
JP2005293840A (en) * | 2005-05-25 | 2005-10-20 | Hoya Corp | Glass disk substrate, magnetic disk, method for manufacturing glass disk substrate for magnetic disk, and method for manufacturing magnetic disk |
JP5154777B2 (en) * | 2005-09-29 | 2013-02-27 | Hoya株式会社 | Polishing brush, polishing method, polishing apparatus, method for manufacturing glass substrate for magnetic disk, and method for manufacturing magnetic disk |
CN101611444B (en) * | 2007-02-20 | 2012-10-10 | Hoya株式会社 | Magnetic disc substrate, magnetic disc, and magnetic disc device |
MY149130A (en) * | 2007-02-20 | 2013-07-15 | Hoya Corp | Magnetic disk substrate, magnetic disk, and magnetic disk device |
JP2008217918A (en) | 2007-03-06 | 2008-09-18 | Konica Minolta Opto Inc | Glass substrate for magnetic recording medium, and magnetic recording medium |
JP4748115B2 (en) * | 2007-06-12 | 2011-08-17 | コニカミノルタオプト株式会社 | Glass substrate for magnetic recording medium and magnetic recording medium |
JP2011198429A (en) * | 2010-03-23 | 2011-10-06 | Hoya Corp | Glass substrate for magnetic disk and evaluation method thereof |
JP5844610B2 (en) | 2010-11-02 | 2016-01-20 | Hoya株式会社 | Manufacturing method of glass substrate for magnetic disk |
KR102132175B1 (en) * | 2011-08-29 | 2020-07-09 | 에이지씨 가부시키가이샤 | Glass plate |
JP5029777B1 (en) * | 2011-11-22 | 2012-09-19 | 旭硝子株式会社 | GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM USING THE GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM |
CN104603875B (en) * | 2012-09-28 | 2016-07-06 | Hoya株式会社 | Glass substrate for disc, disk |
WO2014104368A1 (en) * | 2012-12-29 | 2014-07-03 | Hoya株式会社 | Glass substrate for magnetic disk and magnetic disk |
JP5703430B2 (en) * | 2013-02-22 | 2015-04-22 | Hoya株式会社 | Glass substrate for magnetic disk, magnetic disk |
US9595286B2 (en) * | 2013-03-01 | 2017-03-14 | Hoya Corporation | Glass substrate for magnetic disk and magnetic disk |
-
2013
- 2013-12-27 WO PCT/JP2013/085270 patent/WO2014104368A1/en active Application Filing
- 2013-12-27 US US14/652,365 patent/US9595283B2/en active Active
- 2013-12-27 SG SG10201705086TA patent/SG10201705086TA/en unknown
- 2013-12-27 CN CN201711156365.3A patent/CN107886972B/en active Active
- 2013-12-27 JP JP2014554624A patent/JP5860173B2/en active Active
- 2013-12-27 CN CN201810223151.1A patent/CN108198577B/en active Active
- 2013-12-27 CN CN201380062197.5A patent/CN104823239B/en active Active
- 2013-12-27 SG SG11201505070VA patent/SG11201505070VA/en unknown
- 2013-12-27 MY MYPI2015702130A patent/MY166438A/en unknown
-
2015
- 2015-12-17 JP JP2015245812A patent/JP6165227B2/en active Active
-
2017
- 2017-02-28 US US15/444,911 patent/US10553243B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN108198577B (en) | 2019-04-23 |
WO2014104368A1 (en) | 2014-07-03 |
JPWO2014104368A1 (en) | 2017-01-19 |
CN104823239A (en) | 2015-08-05 |
CN104823239B (en) | 2018-04-03 |
US20170169847A1 (en) | 2017-06-15 |
JP2016076290A (en) | 2016-05-12 |
CN107886972B (en) | 2019-12-06 |
MY166438A (en) | 2018-06-27 |
JP5860173B2 (en) | 2016-02-16 |
US10553243B2 (en) | 2020-02-04 |
US20150332722A1 (en) | 2015-11-19 |
SG10201705086TA (en) | 2017-07-28 |
CN108198577A (en) | 2018-06-22 |
US9595283B2 (en) | 2017-03-14 |
CN107886972A (en) | 2018-04-06 |
JP6165227B2 (en) | 2017-07-19 |
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