JPH0470262B2 - - Google Patents

Info

Publication number
JPH0470262B2
JPH0470262B2 JP63062970A JP6297088A JPH0470262B2 JP H0470262 B2 JPH0470262 B2 JP H0470262B2 JP 63062970 A JP63062970 A JP 63062970A JP 6297088 A JP6297088 A JP 6297088A JP H0470262 B2 JPH0470262 B2 JP H0470262B2
Authority
JP
Japan
Prior art keywords
glass
strength
alkali
substrate
disks
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
JP63062970A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01239036A (ja
Inventor
Toshitomo Morisane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EFU JII KEE KK
Original Assignee
EFU JII KEE KK
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 EFU JII KEE KK filed Critical EFU JII KEE KK
Priority to JP6297088A priority Critical patent/JPH01239036A/ja
Publication of JPH01239036A publication Critical patent/JPH01239036A/ja
Publication of JPH0470262B2 publication Critical patent/JPH0470262B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
  • Magnetic Record Carriers (AREA)
JP6297088A 1988-03-16 1988-03-16 高強度ガラス Granted JPH01239036A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6297088A JPH01239036A (ja) 1988-03-16 1988-03-16 高強度ガラス

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6297088A JPH01239036A (ja) 1988-03-16 1988-03-16 高強度ガラス

Publications (2)

Publication Number Publication Date
JPH01239036A JPH01239036A (ja) 1989-09-25
JPH0470262B2 true JPH0470262B2 (enrdf_load_stackoverflow) 1992-11-10

Family

ID=13215711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6297088A Granted JPH01239036A (ja) 1988-03-16 1988-03-16 高強度ガラス

Country Status (1)

Country Link
JP (1) JPH01239036A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001049620A2 (en) 2000-01-05 2001-07-12 Schott Glass Technologies, Inc. Alkaline-earth-free boroalkali silicate glass

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2837005B2 (ja) * 1991-05-20 1998-12-14 ホーヤ株式会社 化学強化用ガラス
JP3169056B2 (ja) * 1991-05-20 2001-05-21 ホーヤ株式会社 情報記録媒体用ガラス基板の製造方法
JP2837134B2 (ja) * 1991-05-20 1998-12-14 ホーヤ株式会社 情報記録用基板および情報記録媒体
JP2977068B2 (ja) * 1994-08-05 1999-11-10 日本板硝子株式会社 化学強化用ガラス
JPH09197124A (ja) * 1996-01-23 1997-07-31 Nippon Electric Glass Co Ltd ダイクロイックミラー
HUP9600148A3 (en) * 1996-01-24 1999-01-28 Gen Electric Company Cleveland Glass composition
FR2744440B1 (fr) * 1996-02-07 1998-03-20 Saint Gobain Vitrage Procede de traitement de substrats en verre
JPH1079122A (ja) * 1996-09-04 1998-03-24 Hoya Corp 情報記録媒体用基板に適した材料の選定方法、この方法を用いて選定した材料、この材料を用いた基板及び磁気ディスク
JP3989988B2 (ja) * 1996-09-04 2007-10-10 Ｈｏｙａ株式会社 情報記録媒体用基板及び磁気ディスク、並びにその製造方法
US6214429B1 (en) 1996-09-04 2001-04-10 Hoya Corporation Disc substrates for information recording discs and magnetic discs
DE19650692C2 (de) * 1996-12-06 1999-01-14 Schott Glas Bleifreie Krongläser
JPH10241134A (ja) * 1996-12-26 1998-09-11 Hoya Corp 情報記録媒体用ガラス基板及びこれを用いた磁気記録媒体
US6187441B1 (en) 1996-12-26 2001-02-13 Hoya Corporation Glass substrate for information recording medium and magnetic recording medium having the substrate
JP3412804B2 (ja) * 1996-12-26 2003-06-03 Ｈｏｙａ株式会社 情報記録媒体用基板
JP2001523208A (ja) * 1997-05-07 2001-11-20 コーニング ソシエテ アノニム 無機ガラスで構成された有機レンズ用金型および新規な無機ガラス
KR100402450B1 (ko) 1997-07-30 2003-10-22 호야 가부시키가이샤 정보기록 매체용 유리기판의 제조방법
JPH11191212A (ja) * 1997-12-25 1999-07-13 Toshitomo Morisane 高強度スムーズガラス基板
EP0941973B1 (en) 1998-03-13 2005-11-30 Hoya Corporation Crystallized glass substrate, and information recording medium using the crystallized glass substrate
US7264894B2 (en) 1998-03-13 2007-09-04 Hoya Corporation Crystallized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass substrate
WO2000009456A1 (en) * 1998-08-14 2000-02-24 Corning Incorporated Lead-free glasses
JP3657453B2 (ja) * 1999-02-04 2005-06-08 日本板硝子株式会社 情報処理記録媒体
JP2000322731A (ja) * 1999-05-07 2000-11-24 Ishizuka Glass Co Ltd 情報記録媒体用ガラス基板
SG97155A1 (en) 1999-07-07 2003-07-18 Hoya Corp Substrate for information recording medium and magnetic recording medium composed of crystallized glass
JP2001180969A (ja) * 1999-12-28 2001-07-03 Central Glass Co Ltd リチウム含有高ヤング率ガラスおよびガラス物品
JP2002174810A (ja) * 2000-12-08 2002-06-21 Hoya Corp ディスプレイ用ガラス基板及びその製造方法並びにこれを用いたディスプレイ
DE10064808B4 (de) * 2000-12-22 2005-09-01 Schott Ag Zinkoxidhaltiges Borosilicatglas und dessen Verwendungen
JP3995902B2 (ja) 2001-05-31 2007-10-24 Ｈｏｙａ株式会社 情報記録媒体用ガラス基板及びそれを用いた磁気情報記録媒体
DE10141666A1 (de) * 2001-08-25 2003-03-13 Schott Glas Zinkhaltiges Alkalialuminosilicatglas und seine Verwendungen
KR20050009703A (ko) 2002-06-03 2005-01-25 호야 가부시키가이샤 정보기록 매체용 기판, 정보기록 매체 및 그 제조방법
CN100482606C (zh) 2002-11-07 2009-04-29 Hoya株式会社 信息记录介质用基板和信息记录介质及其制备方法
JP4793756B2 (ja) * 2005-10-03 2011-10-12 日本電気硝子株式会社 携帯機器表示装置用保護板
JP2011141568A (ja) * 2005-10-03 2011-07-21 Nippon Electric Glass Co Ltd 携帯機器表示装置用保護板
JP5605736B2 (ja) * 2006-05-25 2014-10-15 日本電気硝子株式会社 強化ガラス及びその製造方法
CN102898023B (zh) 2006-05-25 2016-11-23 日本电气硝子株式会社 强化玻璃及其制造方法
WO2008050500A1 (fr) * 2006-09-29 2008-05-02 Nippon Electric Glass Co., Ltd. Plaque protectrice pour dispositif d'affichage d'équipement portable
JP5875133B2 (ja) * 2006-10-10 2016-03-02 日本電気硝子株式会社 強化ガラス基板
JP5589252B2 (ja) * 2006-10-10 2014-09-17 日本電気硝子株式会社 強化ガラス基板
TWI394731B (zh) * 2007-03-02 2013-05-01 Nippon Electric Glass Co 強化板玻璃及其製造方法
JP5467490B2 (ja) * 2007-08-03 2014-04-09 日本電気硝子株式会社 強化ガラス基板の製造方法及び強化ガラス基板
SG178243A1 (en) * 2010-04-27 2012-03-29 Asahi Glass Co Ltd Method for producing magnetic disk and method for producing glass substrate for information recording medium
US20120052271A1 (en) * 2010-08-26 2012-03-01 Sinue Gomez Two-step method for strengthening glass
CN102417301A (zh) * 2011-08-22 2012-04-18 河南国控宇飞电子玻璃有限公司 一种玻璃组合物及由其制成的玻璃、制法和用途
US20130136909A1 (en) * 2011-11-30 2013-05-30 John Christopher Mauro Colored alkali aluminosilicate glass articles
JP2015094785A (ja) * 2013-11-08 2015-05-18 旭硝子株式会社 光学素子
CN111348835A (zh) * 2014-11-19 2020-06-30 成都光明光电股份有限公司 高硬度透明微晶玻璃及其制备方法
US10407339B2 (en) * 2015-02-26 2019-09-10 Corning Incorporated Ion exchangeable soft glasses for three-dimensional shapes
JP6709501B2 (ja) * 2016-06-09 2020-06-17 日本電気硝子株式会社 医薬品容器用ガラス及び医薬品容器用ガラス管
JP7086339B2 (ja) * 2017-06-27 2022-06-20 日本電気硝子株式会社 光学ガラスレンズ及び光学ガラスレンズの製造方法
US20200407266A1 (en) * 2018-02-20 2020-12-31 Nippon Electric Glass Co., Ltd. Glass
CN112041278A (zh) * 2018-04-20 2020-12-04 株式会社小原 具有曲面形状的结晶化玻璃部件的制造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS496012A (enrdf_load_stackoverflow) * 1972-05-10 1974-01-19
JPS5536609A (en) * 1978-09-02 1980-03-14 Junpei Kuno Dual stop water supply faucet
JPS5851900B2 (ja) * 1978-10-06 1983-11-18 日本板硝子株式会社 高耐水性の光伝送体用ガラス
JPS57129839A (en) * 1981-02-02 1982-08-12 Seiko Epson Corp Cover glass for watch
JPS60260443A (ja) * 1984-06-07 1985-12-23 Nippon Sheet Glass Co Ltd アルカリ溶出の少いガラス組成物
JPS6168349A (ja) * 1984-09-07 1986-04-08 Toshiba Glass Co Ltd 耐摩耗性ガラスビ−ズ
JPS6265954A (ja) * 1985-09-18 1987-03-25 Nippon Electric Glass Co Ltd アルミナ封着用硼珪酸ガラス

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001049620A2 (en) 2000-01-05 2001-07-12 Schott Glass Technologies, Inc. Alkaline-earth-free boroalkali silicate glass

Also Published As

Publication number Publication date
JPH01239036A (ja) 1989-09-25

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