SG10201601924XA - Magnetic-disk glass substrate and magnetic disk - Google Patents
Magnetic-disk glass substrate and magnetic diskInfo
- Publication number
- SG10201601924XA SG10201601924XA SG10201601924XA SG10201601924XA SG10201601924XA SG 10201601924X A SG10201601924X A SG 10201601924XA SG 10201601924X A SG10201601924X A SG 10201601924XA SG 10201601924X A SG10201601924X A SG 10201601924XA SG 10201601924X A SG10201601924X A SG 10201601924XA
- Authority
- SG
- Singapore
- Prior art keywords
- magnetic
- disk
- glass substrate
- disk glass
- magnetic disk
- Prior art date
Links
- 239000011521 glass Substances 0.000 title 1
- 239000000758 substrate Substances 0.000 title 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
- G11B5/74—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
- G11B5/62—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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261694521P | 2012-08-29 | 2012-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10201601924XA true SG10201601924XA (en) | 2016-04-28 |
Family
ID=50183074
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11201501452QA SG11201501452QA (en) | 2012-08-29 | 2013-06-28 | Magnetic-disk glass substrate and magnetic disk |
SG10201601924XA SG10201601924XA (en) | 2012-08-29 | 2013-06-28 | Magnetic-disk glass substrate and magnetic disk |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11201501452QA SG11201501452QA (en) | 2012-08-29 | 2013-06-28 | Magnetic-disk glass substrate and magnetic disk |
Country Status (6)
Country | Link |
---|---|
US (5) | US9564166B2 (en) |
JP (2) | JP5612235B2 (en) |
CN (2) | CN104603878B (en) |
MY (2) | MY170711A (en) |
SG (2) | SG11201501452QA (en) |
WO (1) | WO2014034251A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104603878B (en) * | 2012-08-29 | 2016-10-12 | Hoya株式会社 | Glass substrate for disc, disk |
SG11201501453WA (en) | 2012-09-28 | 2015-05-28 | Hoya Corp | Magnetic-disk glass substrate and magnetic disk |
SG10201701244VA (en) * | 2013-06-27 | 2017-04-27 | Hoya Corp | Disk-shaped glass substrate, magnetic-disk glass substrate, method for manufacturing magnetic-disk glass substrate, and magnetic disk |
JP2018101451A (en) * | 2015-04-23 | 2018-06-28 | 旭硝子株式会社 | Substrate for magnetic recording medium, magnetic recording medium, and manufacturing method |
US10144850B2 (en) * | 2015-09-25 | 2018-12-04 | Versum Materials Us, Llc | Stop-on silicon containing layer additive |
SG11202001636RA (en) * | 2017-10-31 | 2020-03-30 | Hoya Corp | Polishing liquid, method for manufacturing glass substrate, and method for manufacturing magnetic disk |
JP6999806B2 (en) * | 2018-05-16 | 2022-01-19 | Hoya株式会社 | Magnetic recording medium substrate, magnetic recording medium, glass spacer for magnetic recording / playback device, and magnetic recording / playback device |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0567321A (en) * | 1991-09-09 | 1993-03-19 | Sony Corp | Magnetic recording medium |
JPH07225943A (en) * | 1994-02-15 | 1995-08-22 | Fuji Electric Co Ltd | Magnetic recording medium |
JP2004280961A (en) * | 2003-03-17 | 2004-10-07 | Hitachi Ltd | Disk substrate, its manufacturing method, and magnetic disk |
US7549443B2 (en) * | 2003-12-09 | 2009-06-23 | Illinois Tool Works Inc. | Fuel shut-off valve assembly with associated components and methods of making and assembling the same |
GB2441265B (en) * | 2005-06-16 | 2012-01-11 | Imbera Electronics Oy | Method for manufacturing a circuit board structure, and a circuit board structure |
US7746939B2 (en) * | 2005-07-29 | 2010-06-29 | Itt Manufacturing Enterprises, Inc. | Methods and apparatus for encoding information in a signal by spectral notch modulation |
TWI411667B (en) * | 2006-04-28 | 2013-10-11 | Kao Corp | Polishing composition for magnetic disk substrate |
JP2008293552A (en) * | 2007-05-22 | 2008-12-04 | Fujitsu Ltd | Substrate, magnetic recording medium, its manufacturing method, and magnetic storage device |
JP5004018B2 (en) | 2007-10-31 | 2012-08-22 | 富士電機株式会社 | Magnetic recording medium for heat-assisted recording |
JP4962864B2 (en) * | 2007-12-07 | 2012-06-27 | 富士電機株式会社 | Calculation method of root mean square slope |
WO2009084534A1 (en) * | 2007-12-28 | 2009-07-09 | Hoya Corporation | Magnetic disk glass substrate, magnetic disk, and magnetic disk manufacturing method |
JP2009289370A (en) | 2008-05-30 | 2009-12-10 | Furukawa Electric Co Ltd:The | Glass substrate for magnetic disk |
US7907431B2 (en) * | 2008-07-29 | 2011-03-15 | Infineon Technologies Ag | Devices and methods for converting or buffering a voltage |
WO2010038741A1 (en) | 2008-09-30 | 2010-04-08 | Hoya株式会社 | Magnetic disc glass substrate and magnetic disc |
WO2011125477A1 (en) * | 2010-03-31 | 2011-10-13 | Hoya株式会社 | Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, and method of manufacturing magnetic recording medium |
SG188775A1 (en) * | 2011-09-30 | 2013-04-30 | Hoya Corp | Manufacturing method of glass substrate for magnetic disk, magnetic disk, and magnetic data recording/reproducing device |
CN104603878B (en) * | 2012-08-29 | 2016-10-12 | Hoya株式会社 | Glass substrate for disc, disk |
SG11201501453WA (en) * | 2012-09-28 | 2015-05-28 | Hoya Corp | Magnetic-disk glass substrate and magnetic disk |
-
2013
- 2013-06-28 CN CN201380045657.3A patent/CN104603878B/en active Active
- 2013-06-28 SG SG11201501452QA patent/SG11201501452QA/en unknown
- 2013-06-28 WO PCT/JP2013/067944 patent/WO2014034251A1/en active Application Filing
- 2013-06-28 SG SG10201601924XA patent/SG10201601924XA/en unknown
- 2013-06-28 US US14/424,261 patent/US9564166B2/en active Active
- 2013-06-28 CN CN201610849530.2A patent/CN107093433B/en active Active
- 2013-06-28 JP JP2014510578A patent/JP5612235B2/en active Active
- 2013-06-28 MY MYPI2015700581A patent/MY170711A/en unknown
-
2014
- 2014-07-17 JP JP2014146984A patent/JP6120810B2/en active Active
-
2017
- 2017-01-09 US US15/401,615 patent/US10283156B2/en active Active
-
2019
- 2019-02-12 MY MYPI2019000556A patent/MY197469A/en unknown
- 2019-03-28 US US16/368,046 patent/US11081134B2/en active Active
-
2021
- 2021-06-30 US US17/364,730 patent/US11587585B2/en active Active
-
2023
- 2023-02-06 US US18/165,295 patent/US20230197111A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
SG11201501452QA (en) | 2015-05-28 |
MY197469A (en) | 2023-06-19 |
JP5612235B2 (en) | 2014-10-22 |
WO2014034251A1 (en) | 2014-03-06 |
US20210327464A1 (en) | 2021-10-21 |
US10283156B2 (en) | 2019-05-07 |
JPWO2014034251A1 (en) | 2016-08-08 |
CN107093433A (en) | 2017-08-25 |
CN104603878A (en) | 2015-05-06 |
US20170186459A1 (en) | 2017-06-29 |
CN104603878B (en) | 2016-10-12 |
US20150213826A1 (en) | 2015-07-30 |
MY170711A (en) | 2019-08-27 |
JP2014197449A (en) | 2014-10-16 |
CN107093433B (en) | 2018-10-16 |
US11081134B2 (en) | 2021-08-03 |
US11587585B2 (en) | 2023-02-21 |
US20190228801A1 (en) | 2019-07-25 |
US20230197111A1 (en) | 2023-06-22 |
JP6120810B2 (en) | 2017-04-26 |
US9564166B2 (en) | 2017-02-07 |
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