SG10201502549PA - Manufacturing method of glass substrate for magnetic disk, manufacturing method of glassblank, glass substrate for magnetic disk, and glass blank - Google Patents
Manufacturing method of glass substrate for magnetic disk, manufacturing method of glassblank, glass substrate for magnetic disk, and glass blankInfo
- Publication number
- SG10201502549PA SG10201502549PA SG10201502549PA SG10201502549PA SG10201502549PA SG 10201502549P A SG10201502549P A SG 10201502549PA SG 10201502549P A SG10201502549P A SG 10201502549PA SG 10201502549P A SG10201502549P A SG 10201502549PA SG 10201502549P A SG10201502549P A SG 10201502549PA
- Authority
- SG
- Singapore
- Prior art keywords
- manufacturing
- magnetic disk
- glass substrate
- glass
- glassblank
- 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
- G11B5/84—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
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/05—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing in machines with reciprocating moulds
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
- C03B11/088—Flat discs
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/122—Heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/10—Cutting-off or severing the glass flow with the aid of knives or scissors or non-contacting cutting means, e.g. a gas jet; Construction of the blades used
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/02—Press-mould materials
- C03B2215/05—Press-mould die materials
- C03B2215/06—Metals or alloys
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/70—Horizontal or inclined press axis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Surface Treatment Of Glass (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010082750 | 2010-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG10201502549PA true SG10201502549PA (en) | 2015-05-28 |
Family
ID=44711808
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG10201502549PA SG10201502549PA (en) | 2010-03-31 | 2011-03-31 | Manufacturing method of glass substrate for magnetic disk, manufacturing method of glassblank, glass substrate for magnetic disk, and glass blank |
SG2011095726A SG176974A1 (en) | 2010-03-31 | 2011-03-31 | Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG2011095726A SG176974A1 (en) | 2010-03-31 | 2011-03-31 | Manufacturing method of glass substrate for magnetic disk, manufacturing method of glass blank, glass substrate for magnetic disk, and glass blank |
Country Status (6)
Country | Link |
---|---|
US (1) | US8973404B2 (en) |
JP (3) | JP5431574B2 (en) |
CN (2) | CN102859595B (en) |
MY (1) | MY163806A (en) |
SG (2) | SG10201502549PA (en) |
WO (1) | WO2011122054A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8806895B2 (en) * | 2010-12-09 | 2014-08-19 | Hoya Corporation | Manufacturing method for a glass substrate for magnetic disk |
MY186189A (en) * | 2011-04-21 | 2021-06-30 | Hoya Corp | Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk, glass substrate for magnetic disk and magnetic disk |
JP6000240B2 (en) * | 2011-04-27 | 2016-09-28 | Hoya株式会社 | Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, glass blank for magnetic disk |
JP2013140649A (en) * | 2011-12-29 | 2013-07-18 | Hoya Corp | Method for manufacturing glass substrate for magnetic disk, glass substrate for magnetic disk and basket for chemical strengthening |
JPWO2014051053A1 (en) * | 2012-09-28 | 2016-08-22 | Hoya株式会社 | Method for manufacturing glass blank for magnetic disk, method for manufacturing glass substrate for magnetic disk, and glass blank for magnetic disk |
WO2019066086A1 (en) * | 2017-09-29 | 2019-04-04 | Hoya株式会社 | Glass spacer and hard disc drive device |
CN114296494B (en) * | 2022-01-05 | 2023-01-10 | 信义玻璃工程(东莞)有限公司 | Temperature control method, device, equipment and storage medium |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63248727A (en) | 1987-04-02 | 1988-10-17 | Olympus Optical Co Ltd | Production of glass molded article |
JPH01133948A (en) | 1987-11-18 | 1989-05-26 | Canon Inc | Manufacture of optical element |
JPH01164738A (en) | 1987-12-22 | 1989-06-28 | Canon Inc | Device for forming optical element |
JPH06171959A (en) | 1992-12-10 | 1994-06-21 | Olympus Optical Co Ltd | Production of optical element |
JP3148641B2 (en) | 1996-06-26 | 2001-03-19 | 日本碍子株式会社 | Blank material of crystallized glass substrate for magnetic disk and method of manufacturing the same |
US6442975B1 (en) * | 1996-12-26 | 2002-09-03 | Hoya Corporation | Method of manufacturing thin-plate glass article, method of manufacturing glass substrate for information recording medium, and method of manufacturing magnetic recording medium |
JP3709033B2 (en) | 1996-12-27 | 2005-10-19 | Hoya株式会社 | Manufacturing method of glass products |
JPH11228150A (en) | 1998-02-16 | 1999-08-24 | Ngk Insulators Ltd | Manufacture of glass substrate |
JP3420192B2 (en) | 2000-02-01 | 2003-06-23 | 株式会社オハラ | Glass ceramics |
US20020009602A1 (en) * | 2000-03-13 | 2002-01-24 | Hoya Corporation | Method and apparatus of fabricating glass molded article, method of fabricating glass substrate, and information recording medium |
JP4127974B2 (en) * | 2001-01-29 | 2008-07-30 | Hoya株式会社 | Substrate blank, substrate, and information recording medium manufacturing method |
MY129886A (en) * | 2001-05-09 | 2007-05-31 | Matsushita Electric Ind Co Ltd | Molding process of disk with shaft shaped portion |
JP2003030822A (en) | 2001-07-13 | 2003-01-31 | Fuji Electric Co Ltd | Method for processing magnetic disk substrate |
JP2003054965A (en) | 2001-08-08 | 2003-02-26 | Minolta Co Ltd | Method for press-molding glass and method for manufacturing glass substrate for hard disk using the same method |
US20030134734A1 (en) * | 2001-08-08 | 2003-07-17 | Shiro Nishimoto | Press molding method for glass and manufacturing method for glass substrate using this method |
JP3982229B2 (en) * | 2001-10-17 | 2007-09-26 | 富士電機デバイステクノロジー株式会社 | Glass substrate press molding apparatus and press molding method |
JP2004196651A (en) | 2002-12-04 | 2004-07-15 | Fuji Electric Device Technology Co Ltd | Method and apparatus for manufacturing glass substrate for storage medium, and glass substrate for storage medium, and storage medium |
JP4380379B2 (en) * | 2004-03-19 | 2009-12-09 | コニカミノルタオプト株式会社 | Manufacturing method of glass substrate for information recording medium |
US7395679B2 (en) * | 2004-03-19 | 2008-07-08 | Konica Minolta Opto, Inc. | Method of manufacturing glass substrate for information recording medium |
JPWO2005093720A1 (en) * | 2004-03-25 | 2008-02-14 | Hoya株式会社 | Glass substrate for magnetic disk |
US20080020238A1 (en) * | 2004-03-31 | 2008-01-24 | Hirotaka Tanaka | Magentic Disk and Glass Substrate for Magnetic Disk |
WO2006088079A1 (en) * | 2005-02-18 | 2006-08-24 | Nippon Soda Co., Ltd. | Organic-inorganic composite body |
JP2006282400A (en) | 2005-03-31 | 2006-10-19 | Nippon Electric Glass Co Ltd | Forming method for glass article, and forming device therefor |
JP4696935B2 (en) * | 2006-01-27 | 2011-06-08 | 日立電線株式会社 | III-V nitride semiconductor substrate and III-V nitride light emitting device |
JP2008105894A (en) | 2006-10-25 | 2008-05-08 | Fuji Electric Device Technology Co Ltd | Forming die, intermediate member and method of manufacturing substrate |
JP2008174402A (en) | 2007-01-16 | 2008-07-31 | Konica Minolta Opto Inc | Die for molding glass substrate, method of manufacturing glass substrate, method of manufacturing glass substrate for information recording medium, and method of manufacturing information recording medium |
JP2008174401A (en) * | 2007-01-16 | 2008-07-31 | Konica Minolta Opto Inc | Die for molding glass substrate, method of manufacturing glass substrate, method of manufacturing glass substrate for information recording medium, and method of manufacturing information recording medium |
JP5305698B2 (en) | 2007-03-09 | 2013-10-02 | Hoya株式会社 | Method for manufacturing glass substrate for magnetic disk, method for manufacturing magnetic disk, and glass substrate for magnetic disk |
JP4755135B2 (en) | 2007-04-27 | 2011-08-24 | 株式会社オハラ | Crystallized glass |
JP5005645B2 (en) | 2007-09-27 | 2012-08-22 | Hoya株式会社 | Manufacturing method of glass substrate for magnetic disk and manufacturing method of magnetic disk |
JP5170877B2 (en) | 2008-03-05 | 2013-03-27 | 古河電気工業株式会社 | Manufacturing method of glass substrate |
JP2009269762A (en) | 2008-04-30 | 2009-11-19 | Fuji Electric Device Technology Co Ltd | Glass raw material, molding die for the same, and method for manufacturing glass substrate for magnetic disk |
US8806895B2 (en) * | 2010-12-09 | 2014-08-19 | Hoya Corporation | Manufacturing method for a glass substrate for magnetic disk |
US20120247155A1 (en) * | 2011-03-30 | 2012-10-04 | Hoya Corporation | Method of manufacturing glass blank for magnetic recording medium glass substrate, method of manufacturing magnetic recording medium glass substrate, method of manufacturing magnetic recording medium, and apparatus for manufacturing glass blank for magnetic recording medium glass substrate |
-
2011
- 2011-03-31 JP JP2012508106A patent/JP5431574B2/en not_active Expired - Fee Related
- 2011-03-31 CN CN201180002677.3A patent/CN102859595B/en not_active Expired - Fee Related
- 2011-03-31 US US13/379,803 patent/US8973404B2/en not_active Expired - Fee Related
- 2011-03-31 SG SG10201502549PA patent/SG10201502549PA/en unknown
- 2011-03-31 MY MYPI2011006190A patent/MY163806A/en unknown
- 2011-03-31 CN CN201510845654.9A patent/CN105355216B/en active Active
- 2011-03-31 WO PCT/JP2011/001974 patent/WO2011122054A1/en active Application Filing
- 2011-03-31 SG SG2011095726A patent/SG176974A1/en unknown
-
2012
- 2012-08-20 JP JP2012181867A patent/JP5666524B2/en active Active
-
2013
- 2013-02-20 JP JP2013030970A patent/JP5632027B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN105355216A (en) | 2016-02-24 |
SG176974A1 (en) | 2012-02-28 |
JP2013136513A (en) | 2013-07-11 |
US20120151967A1 (en) | 2012-06-21 |
CN102859595B (en) | 2016-01-20 |
US8973404B2 (en) | 2015-03-10 |
CN102859595A (en) | 2013-01-02 |
WO2011122054A1 (en) | 2011-10-06 |
CN105355216B (en) | 2017-10-03 |
MY163806A (en) | 2017-10-31 |
JP2012232899A (en) | 2012-11-29 |
JP5666524B2 (en) | 2015-02-12 |
JP5431574B2 (en) | 2014-03-05 |
JP5632027B2 (en) | 2014-11-26 |
JPWO2011122054A1 (en) | 2013-07-08 |
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