SG178243A1 - Method for producing magnetic disk and method for producing glass substrate for information recording medium - Google Patents
Method for producing magnetic disk and method for producing glass substrate for information recording medium Download PDFInfo
- Publication number
- SG178243A1 SG178243A1 SG2012007605A SG2012007605A SG178243A1 SG 178243 A1 SG178243 A1 SG 178243A1 SG 2012007605 A SG2012007605 A SG 2012007605A SG 2012007605 A SG2012007605 A SG 2012007605A SG 178243 A1 SG178243 A1 SG 178243A1
- Authority
- SG
- Singapore
- Prior art keywords
- glass substrate
- glass
- total
- sro
- producing
- Prior art date
Links
- 239000011521 glass Substances 0.000 title claims abstract description 178
- 239000000758 substrate Substances 0.000 title claims abstract description 95
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 238000000137 annealing Methods 0.000 claims description 9
- 229910006715 Li—O Inorganic materials 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052681 coesite Inorganic materials 0.000 abstract description 3
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 3
- 229910052682 stishovite Inorganic materials 0.000 abstract description 3
- 229910052905 tridymite Inorganic materials 0.000 abstract description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052593 corundum Inorganic materials 0.000 abstract description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 2
- 238000006748 scratching Methods 0.000 description 21
- 230000002393 scratching effect Effects 0.000 description 21
- 239000010410 layer Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 14
- 238000002844 melting Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- 230000007423 decrease Effects 0.000 description 11
- 238000005336 cracking Methods 0.000 description 10
- 239000002253 acid Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000000280 densification Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 238000003280 down draw process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- 229910005335 FePt Inorganic materials 0.000 description 1
- 241001460678 Napo <wasp> Species 0.000 description 1
- 229910014142 Na—O Inorganic materials 0.000 description 1
- 241000287410 Phylloscopus trochilus Species 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- 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
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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Glass Compositions (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010102092 | 2010-04-27 | ||
| PCT/JP2011/059212 WO2011136027A1 (ja) | 2010-04-27 | 2011-04-13 | 磁気ディスクおよび情報記録媒体用ガラス基板の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG178243A1 true SG178243A1 (en) | 2012-03-29 |
Family
ID=44861338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2012007605A SG178243A1 (en) | 2010-04-27 | 2011-04-13 | Method for producing magnetic disk and method for producing glass substrate for information recording medium |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9023421B2 (enExample) |
| JP (3) | JP5056983B2 (enExample) |
| CN (1) | CN102473426B (enExample) |
| MY (3) | MY156178A (enExample) |
| SG (1) | SG178243A1 (enExample) |
| WO (1) | WO2011136027A1 (enExample) |
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| US9162919B2 (en) | 2012-02-28 | 2015-10-20 | Corning Incorporated | High strain point aluminosilicate glasses |
| TWI614227B (zh) * | 2012-02-29 | 2018-02-11 | 康寧公司 | 低ｃｔｅ之無鹼硼鋁矽酸鹽玻璃組成物及包含其之玻璃物件 |
| WO2013183569A1 (ja) * | 2012-06-05 | 2013-12-12 | 旭硝子株式会社 | 磁気ディスクの製造方法および情報記録媒体用ガラス基板 |
| US9393760B2 (en) | 2013-02-28 | 2016-07-19 | Corning Incorporated | Laminated glass articles with phase-separated claddings and methods for forming the same |
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| CN104230164B (zh) * | 2013-06-21 | 2018-06-19 | 旭硝子株式会社 | 磁记录介质的制造方法及磁记录介质 |
| EP3831785A1 (en) * | 2013-08-15 | 2021-06-09 | Corning Incorporated | Alkali-doped and alkali-free boroaluminosilicate glass |
| KR102255630B1 (ko) | 2013-08-15 | 2021-05-25 | 코닝 인코포레이티드 | 중간 내지 높은 ｃｔｅ 유리 및 이를 포함하는 유리 물품 |
| JP6506835B2 (ja) * | 2014-08-13 | 2019-04-24 | コーニング インコーポレイテッド | Ｃｔｅが中程度のガラスおよびそれから作られたガラス物品 |
| CN107108334A (zh) | 2014-10-31 | 2017-08-29 | 康宁股份有限公司 | 对玻璃进行尺寸稳定的快速蚀刻 |
| JP7060915B2 (ja) * | 2014-12-12 | 2022-04-27 | 日本電気硝子株式会社 | 無アルカリガラス |
| KR20170139680A (ko) | 2015-04-28 | 2017-12-19 | 코닝 인코포레이티드 | 출구 희생 커버 층을 사용하여 기판에 쓰루 홀을 레이저 드릴링하는 방법 및 이에 상응하는 피가공재 |
| CN117865460A (zh) * | 2015-10-02 | 2024-04-12 | Ａｇｃ株式会社 | 玻璃基板、层叠基板和层叠体 |
| JPWO2017061501A1 (ja) * | 2015-10-05 | 2018-07-26 | 旭硝子株式会社 | データ記憶媒体基板用ガラス、データ記憶媒体用ガラス基板および磁気ディスク |
| JP6004129B1 (ja) * | 2016-01-07 | 2016-10-05 | 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 |
| CN114751642B (zh) * | 2016-02-02 | 2024-02-23 | 肖特玻璃科技(苏州)有限公司 | 用于玻璃载体晶片的低cte硼铝硅酸盐玻璃 |
| WO2017204224A1 (ja) * | 2016-05-27 | 2017-11-30 | 旭硝子株式会社 | 磁気記録媒体用ガラス、磁気記録媒体用ガラス基板および磁気ディスク |
| 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 |
| US10134657B2 (en) | 2016-06-29 | 2018-11-20 | Corning Incorporated | Inorganic wafer having through-holes attached to semiconductor wafer |
| KR102610962B1 (ko) * | 2016-08-02 | 2023-12-08 | 삼성디스플레이 주식회사 | 유리 기판의 처리 방법 |
| CN106746601B (zh) * | 2016-12-30 | 2019-06-04 | 东旭集团有限公司 | 用于制备玻璃的组合物、玻璃制品及用途 |
| US10580725B2 (en) | 2017-05-25 | 2020-03-03 | Corning Incorporated | Articles having vias with geometry attributes and methods for fabricating the same |
| 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 |
| US12180108B2 (en) | 2017-12-19 | 2024-12-31 | Corning Incorporated | Methods for etching vias in glass-based articles employing positive charge organic molecules |
| US11554984B2 (en) | 2018-02-22 | 2023-01-17 | Corning Incorporated | Alkali-free borosilicate glasses with low post-HF etch roughness |
| JP6975862B2 (ja) | 2018-08-07 | 2021-12-01 | Hoya株式会社 | 磁気ディスク用基板及び磁気ディスク |
| EP3954663B1 (en) * | 2019-04-12 | 2024-03-13 | Agc Inc. | Alkali-free glass and glass plate |
| JP7184845B2 (ja) * | 2020-05-21 | 2022-12-06 | ショット グラス テクノロジーズ （スゾウ） カンパニー リミテッド | ガラスキャリアウェハー用の低ｃｔｅボロアルミノシリケートガラス |
| KR20240089604A (ko) * | 2021-11-10 | 2024-06-20 | 니폰 덴키 가라스 가부시키가이샤 | 무알칼리 유리판 |
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| JPWO2008038664A1 (ja) * | 2006-09-29 | 2010-01-28 | Hoya株式会社 | 磁気記録媒体 |
| JP5435394B2 (ja) * | 2007-06-08 | 2014-03-05 | 日本電気硝子株式会社 | 強化ガラス基板及びその製造方法 |
| JP5070006B2 (ja) * | 2007-11-02 | 2012-11-07 | 株式会社オハラ | 結晶化ガラス |
| JP5327702B2 (ja) * | 2008-01-21 | 2013-10-30 | 日本電気硝子株式会社 | ガラス基板の製造方法 |
| JP4551459B2 (ja) | 2008-02-19 | 2010-09-29 | 信越化学工業株式会社 | 磁気記録用シリコン基板および磁気記録用媒体の製造方法 |
| RU2010154445A (ru) * | 2008-05-30 | 2012-07-10 | Фостер Вилер Энергия Ой (Fi) | Способ и система для генерации энергии путем сжигания в чистом кислороде |
| JP5614607B2 (ja) * | 2008-08-04 | 2014-10-29 | 日本電気硝子株式会社 | 強化ガラスおよびその製造方法 |
-
2011
- 2011-04-13 MY MYPI2012000544A patent/MY156178A/en unknown
- 2011-04-13 JP JP2011532441A patent/JP5056983B2/ja active Active
- 2011-04-13 MY MYPI2016000163A patent/MY177072A/en unknown
- 2011-04-13 WO PCT/JP2011/059212 patent/WO2011136027A1/ja not_active Ceased
- 2011-04-13 CN CN201180003205.XA patent/CN102473426B/zh active Active
- 2011-04-13 MY MYPI2016000161A patent/MY177073A/en unknown
- 2011-04-13 SG SG2012007605A patent/SG178243A1/en unknown
-
2012
- 2012-02-09 US US13/369,395 patent/US9023421B2/en active Active
- 2012-03-07 JP JP2012050568A patent/JP5585601B2/ja active Active
-
2014
- 2014-02-03 JP JP2014018688A patent/JP5757350B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102473426A (zh) | 2012-05-23 |
| JP5056983B2 (ja) | 2012-10-24 |
| MY177072A (en) | 2020-09-04 |
| US9023421B2 (en) | 2015-05-05 |
| JP5757350B2 (ja) | 2015-07-29 |
| JPWO2011136027A1 (ja) | 2013-07-18 |
| CN102473426B (zh) | 2015-04-15 |
| MY156178A (en) | 2016-01-15 |
| JP5585601B2 (ja) | 2014-09-10 |
| JP2012111692A (ja) | 2012-06-14 |
| MY177073A (en) | 2020-09-04 |
| US20120141668A1 (en) | 2012-06-07 |
| WO2011136027A1 (ja) | 2011-11-03 |
| JP2014088320A (ja) | 2014-05-15 |
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