MY168096A - Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate - Google Patents

Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate

Info

Publication number
MY168096A
MY168096A MYPI2017704463A MYPI2017704463A MY168096A MY 168096 A MY168096 A MY 168096A MY PI2017704463 A MYPI2017704463 A MY PI2017704463A MY PI2017704463 A MYPI2017704463 A MY PI2017704463A MY 168096 A MY168096 A MY 168096A
Authority
MY
Malaysia
Prior art keywords
glass substrate
magnetic
disk glass
roughness
manufacturing
Prior art date
Application number
MYPI2017704463A
Other languages
English (en)
Inventor
Shuhei Azuma
Original Assignee
Hoya Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hoya Corp filed Critical Hoya Corp
Publication of MY168096A publication Critical patent/MY168096A/en

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Glass Compositions (AREA)
  • Surface Treatment Of Glass (AREA)
MYPI2017704463A 2015-09-30 2016-09-30 Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate MY168096A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015195128 2015-09-30

Publications (1)

Publication Number Publication Date
MY168096A true MY168096A (en) 2018-10-11

Family

ID=58423694

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2017704463A MY168096A (en) 2015-09-30 2016-09-30 Magnetic-disk glass substrate, magnetic-disk glass substrate intermediate, and method for manufacturing magnetic-disk glass substrate

Country Status (6)

Country Link
US (3) US10720180B2 (enExample)
JP (2) JP6106813B1 (enExample)
CN (2) CN107615381B (enExample)
MY (1) MY168096A (enExample)
SG (1) SG11201709624VA (enExample)
WO (1) WO2017057686A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11201501455YA (en) * 2012-09-28 2015-05-28 Hoya Corp Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
WO2017057686A1 (ja) * 2015-09-30 2017-04-06 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク、ガラス基板中間体、及び磁気ディスク用ガラス基板の製造方法
JP6695318B2 (ja) * 2017-12-27 2020-05-20 Hoya株式会社 円盤状ガラス基板の製造方法、薄板ガラス基板の製造方法、導光板の製造方法及び円盤状ガラス基板
JP7533100B2 (ja) * 2020-10-07 2024-08-14 住友金属鉱山株式会社 ウェハーの汚染検知方法
US12266389B2 (en) * 2021-02-24 2025-04-01 Hoya Corporation Magnetic disk substrate, magnetic disk, annular-shaped substrate, and method for manufacturing magnetic disk substrate
US11270724B1 (en) 2021-03-04 2022-03-08 Western Digital Technologies, Inc. Glass substrates for heat assisted magnetic recording (HAMR) and methods and apparatus for use with the glass substrates
JP7732498B2 (ja) * 2021-03-30 2025-09-02 ソニーグループ株式会社 磁気記録媒体

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0785463A (ja) * 1993-09-20 1995-03-31 A G Technol Kk 磁気ディスク
JPH07244947A (ja) 1994-03-08 1995-09-19 Hitachi Ltd 磁気ディスク装置、磁気ディスクおよび磁気ディスクの製造方法
US6383404B1 (en) 1998-08-19 2002-05-07 Hoya Corporation Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same
JP3359304B2 (ja) * 1998-08-19 2002-12-24 ホーヤ株式会社 磁気記録媒体用ガラス基板、磁気記録媒体及びそれらの製造方法
US6440531B1 (en) * 1999-05-13 2002-08-27 Nippon Sheet Glass Co., Ltd Hydrofluoric acid etched substrate for information recording medium
US6509111B1 (en) * 1999-09-24 2003-01-21 Hitachi, Ltd. Magnetic recording media and magnetic disk apparatus
US6706427B2 (en) * 1999-12-21 2004-03-16 Hoya Corporation Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereof
US6852432B2 (en) * 2000-06-30 2005-02-08 Hitachi, Ltd. Magnetic recording media and magnetic disk apparatus
JP3734745B2 (ja) * 2000-12-18 2006-01-11 Ｈｏｙａ株式会社 磁気記録媒体用ガラス基板の製造方法およびそれを用いて得られる磁気記録媒体用ガラス基板
JP4274708B2 (ja) * 2001-05-14 2009-06-10 Ｈｏｙａ株式会社 磁気記録媒体用ガラス基板及びその製造方法
JP2005078708A (ja) * 2003-08-29 2005-03-24 Toshiba Corp 磁気ディスクおよびこれを備えた磁気ディスク装置
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
JP2006089363A (ja) * 2004-08-27 2006-04-06 Showa Denko Kk 磁気記録媒体用ガラス基板の製造方法、それにより得られる磁気記録媒体用ガラス基板およびこの基板を用いて得られる磁気記録媒体
US7727645B2 (en) * 2005-07-08 2010-06-01 Showa Denko K.K. Substrate for magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
JP4545714B2 (ja) 2005-07-08 2010-09-15 昭和電工株式会社 磁気記録媒体並びに磁気記録再生装置
JP5484649B2 (ja) 2006-01-27 2014-05-07 古河電気工業株式会社 薄板ガラスの製造方法
JP2007272995A (ja) * 2006-03-31 2007-10-18 Hoya Corp 磁気ディスク装置および非磁性基板の良否判定方法、磁気ディスク、並びに磁気ディスク装置
US8241423B2 (en) * 2006-09-29 2012-08-14 Sumco Techxiv Corporation Silicon single crystal substrate and manufacture thereof
CN101977860B (zh) * 2008-03-19 2013-08-21 Hoya株式会社 磁记录介质基板用玻璃、磁记录介质基板、磁记录介质和它们的制造方法
US8734967B2 (en) * 2008-06-30 2014-05-27 Hoya Corporation Substrate for magnetic disk and magnetic disk
JP5035405B2 (ja) 2009-11-26 2012-09-26 旭硝子株式会社 磁気記録媒体用ガラス基板の製造方法
KR101477469B1 (ko) * 2012-03-30 2014-12-29 호야 가부시키가이샤 마스크 블랭크용 기판, 다층 반사막 부착 기판, 투과형 마스크 블랭크, 반사형 마스크 블랭크, 투과형 마스크, 반사형 마스크 및 반도체 장치의 제조 방법
SG11201501455YA (en) * 2012-09-28 2015-05-28 Hoya Corp Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
SG11201505070VA (en) * 2012-12-29 2015-08-28 Hoya Corp Glass substrate for magnetic disk and magnetic disk
SG11201506619TA (en) * 2013-02-22 2015-09-29 Hoya Corp Glass substrate for magnetic disk and magnetic disk
CN105009213B (zh) * 2013-03-01 2018-06-29 Hoya株式会社 磁盘用玻璃基板和磁盘
MY168621A (en) 2014-03-31 2018-11-14 Hoya Corp Magnetic-disk glass substrate
WO2017057686A1 (ja) * 2015-09-30 2017-04-06 Hoya株式会社 磁気ディスク用ガラス基板、磁気ディスク、ガラス基板中間体、及び磁気ディスク用ガラス基板の製造方法

Also Published As

Publication number Publication date
JP6106813B1 (ja) 2017-04-05
JP2017130249A (ja) 2017-07-27
US11211090B2 (en) 2021-12-28
SG11201709624VA (en) 2017-12-28
CN110503983A (zh) 2019-11-26
US20200286516A1 (en) 2020-09-10
CN107615381A (zh) 2018-01-19
US11710505B2 (en) 2023-07-25
CN110503983B (zh) 2021-03-19
WO2017057686A1 (ja) 2017-04-06
JP6577501B2 (ja) 2019-09-18
US10720180B2 (en) 2020-07-21
CN107615381B (zh) 2019-09-13
US20220101877A1 (en) 2022-03-31
US20180174606A1 (en) 2018-06-21
JPWO2017057686A1 (ja) 2017-10-05

Similar Documents

Publication Publication Date Title
MY168621A (en) Magnetic-disk glass substrate
MY169997A (en) Electronic grade glass substrate and making method
MY169200A (en) Magnetic-disk glass substrate, magnetic disk and method for manufacturing magnetic-disk glass substrate
EP4011843A3 (en) Deep non-frangible stress profiles and methods of making
MX2017008159A (es) Composiciones de inhibidor de corrosion para tratamientos de acidificacion.
EP3677558A3 (en) Glasses and glass ceramics including a metal oxide concentration gradient
MX2021012940A (es) Buje resistente a la corrosion.
GB201014966D0 (en) Bore cutting tool and method of making the same
BR112012016440A2 (pt) elemento deslizante, em particular anel de pistão, tendo um revestimento, e processo para produção de um elemento deslizante
CL2017002753A1 (es) Revestimiento texturado de alto rendimiento
WO2017053886A3 (en) Method of screening for agents for differentiating stem cells
UA118205C2 (uk) Спосіб виготовлення деталей з низькою хвилястістю з гальванічно оцинкованого металевого листа та відповідні деталь і транспортний засіб
WO2016084378A8 (ja) 方向性電磁鋼板の製造方法
MY187073A (en) Use of a trichothecene-transforming alcohol dehydrogenase, method for transforming trichothecenes and trichotecene-transforming additive
EA201692158A1 (ru) Конструкция, имеющая жидкую пленку на поверхности
EP3492953A4 (en) LOW-REFLECTION COATING GLASS PLATE, LOW-REFLECTION COATING BASE PRODUCTION METHOD, AND LOW-REFLECTION COATING LIQUID TO FORM A LOW-REFLECTION BASE COATING WITH A LOW REFLECTION COATING
MX2016005564A (es) Capa de carrera contra oxidacion.
MY197469A (en) Magnetic-disk glass substrate and magnetic disk
LT2013053A (lt) Paviršiumi aktyvuotos ramano sklaidos (pars) jutiklis ir jo gamybos būdas
WO2018101743A3 (ko) 적층체
MX2013013411A (es) Parte con revestimiento de dlc y metodo para aplicar el revestimiento de dlc.
MX2016015102A (es) Espejo en color.
TW201612948A (en) Bonded wafer production method
WO2014092865A3 (en) Cleaning composition and method for using the same
PL2089560T3 (pl) Część w kontakcie ślizgowym, w warunkach smarowych, pokryta cienką warstwą