公开(公告)号：US20070032366A1

公开(公告)日：2007-02-08

申请号：US11494506

申请日：2006-07-28

申请人： Yoshiko Kasuga ,  Mikio Ikenishi ,  Xuelu Zou

发明人： Yoshiko Kasuga ,  Mikio Ikenishi ,  Xuelu Zou

IPC分类号： C03C3/095 ,  C03C3/089 ,  C03B11/00 ,  C03C3/078 ,  C03B23/00 ,  C03B13/00

CPC分类号： C03C3/068 ,  C03B11/122 ,  Y02P40/57

摘要： The optical glass has a refractive index of equal to or greater than 1.65 and an Abbé number ranging from 50 to 60. In the optical glass, as molar basis, a ratio of SiO2 content to B2O3 content is greater than 0.5 and equal to or less than 0.90; a total content of SiO2 and B2O3 ranges from 50 to 70 percent; Li2O content ranges from 5 to 20 percent; La2O3 content ranges from 0.5 to 22 percent; a ratio of ZnO content to RO (MgO, CaO, SrO and BaO) is equal to or greater than 0.5; a total content of Gd2O3, Y2O3 and Yb2O3 ranges from 1 to 15 percent; Sb2O3 content ranges from 0 to 1 percent; and no BaO is comprised, or a ratio of the total content of La2O3, Gd2O3, Y2O3 and Yb2O3 to the content of BaO is equal to or greater than 10.

摘要翻译： 光学玻璃具有等于或大于1.65的折射率和从50至60的Abbé数。在光学玻璃中，以摩尔计，SiO 2含量与B _{2 <3 O 3含量大于0.5且等于或小于0.90; SiO 2和B 2 O 3 3的总含量在50-70％的范围内; Li 2 O 2含量范围为5％至20％; La 2 O 3 3含量范围为0.5％至22％; ZnO含量与RO（MgO，CaO，SrO和BaO）的比例等于或大于0.5; Gd 2 N 3 O 3，Y 2 O 3和Y b 2的总含量 O 3范围为1至15％; Sb 2 O 3 3含量为0至1％; 并且不包含BaO，或者La 2 O 3 O 3的总含量，Gd 2 O 3 3 / >，Y 2 O 3 3和Y b 2 O 3 3相对于BaO的含量等于或大于 10。}

公开(公告)号：US20060205584A1

公开(公告)日：2006-09-14

申请号：US11434147

申请日：2006-05-16

申请人： Mikio Ikenishi ,  Atsuko Morita ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Atsuko Morita ,  Xuelu Zou

IPC分类号： C03C3/091

CPC分类号： G11B5/7315 ,  B24B37/042 ,  C03C3/064 ,  C03C3/083 ,  C03C3/085 ,  C03C3/089 ,  C03C3/091 ,  C03C3/093 ,  C03C19/00 ,  C03C21/00

摘要： Disclosed are a glass substrate for an information recording medium, having excellent scratch resistance and a light weight and having high fracture toughness, the glass substrate having a fragility index value, measured in water, of 12 μm−1/2 or less or having a fragility index value, measured in an atmosphere having a dew point of −5° C. or lower, of 7 μm−1/2 or less, or the glass substrate comprising, by mol %, 40 to 75% of SiO2, 2 to 45% of B2O3 and/or Al2O3 and 0 to 40% of R′2O in which R′ is at least one member selected from the group consisting of Li, Na and K), wherein the total content of SiO2, B2O3, Al2O3 and R′2O is at least 90 mol %, and a magnetic information recording medium comprising a magnetic recording layer formed on the glass substrate.

公开(公告)号：US20050244656A1

公开(公告)日：2005-11-03

申请号：US11111987

申请日：2005-04-22

申请人： Mikio Ikenishi ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Xuelu Zou

IPC分类号： C03C3/087 ,  C03C17/00 ,  C03C21/00 ,  G11B5/73 ,  G11B5/84

CPC分类号： C03C3/087 ,  C03C17/00 ,  C03C21/00 ,  G11B5/7315

摘要： A glass substrate for an information recording medium, which has high heat resistance, has such high thermal shock resistance that it does not break when exposed to a sharp change in temperature and has high strength against scratching, and which is formed of a glass comprising SiO2, Al2O3, ZrO2, CaO, BaO, Li2O and Na2O as essential components and comprises, by mold %, 50 to 70% of SiO2, 1 to 10% of Al2O3, over 0% but not more than 12% of ZrO2, 2 to 24% of CaO, over 0% but not more than 15% of BaO, 0 to 10% of MgO, 0 to 15% of SrO, provided that the content of CaO+BaO+MgO+SrO is over 10% but less than 25%, over 0% but not more than 6% of Li2O, over 0% but not more than 10% of Na2O, 0 to 5% of K2O, and 0 to 10% of TiO2.

摘要翻译： 用于具有高耐热性的信息记录介质的玻璃基板具有如此高的耐热冲击性，即使在暴露于急剧变化的温度下也不会破裂，并且具有高的抗刮擦强度，并且由包含SiO 2，2 3，3，2，3，3，3，3，3，3，3， > O和Na 2 O作为必要组分，并且通过模具％包含50至70％的SiO 2，1至10％的Al 2， 超过0％但不超过12％的ZrO 2，2〜24％的CaO，超过0％但不超过15％的BaO ，0〜10％的MgO，0〜15％的SrO，条件是CaO + BaO + MgO + SrO的含量超过10％但小于25％，超过0％但不超过6％的Li _{2 O，超过0％但不超过10％的Na 2 O，0至5％的K 2 O和0至10％ 的TiO 2。}

公开(公告)号：US20050181218A1

公开(公告)日：2005-08-18

申请号：US10510446

申请日：2003-06-02

申请人： Kouichiro Shiraishi ,  Mikio Ikenishi ,  Xuelu Zou

发明人： Kouichiro Shiraishi ,  Mikio Ikenishi ,  Xuelu Zou

IPC分类号： G11B5/73 ,  B32B17/06 ,  C03C3/076 ,  C03C3/085

CPC分类号： C03C3/087 ,  G11B5/7315

摘要： A glass substrate having a high Young's modulus and high rigidity and being suitable particularly as a substrate that is required to have excellent surface smoothness, a high elastic modulus and a high expansion coefficient and which is for an information recording medium, the glass substrate having a surface having a center-line average roughness ratio, Rab/Raf, of 0.8 to 1, in which Raf is a center-line average roughness measured after the glass substrate is held in water having a temperature of 80° C. for 24 hours and Rab is a center-line average roughness Rab measured before the holding, and having a Young's modulus of 90 GPa or more, and an information recording medium having the glass substrate and having an information recording layer formed on the glass substrate.

摘要翻译： 具有高杨氏模量和高刚性的玻璃基板，特别适用于要求具有优异的表面光滑度，高弹性模量和高膨胀系数的基底，并且其用于信息记录介质，玻璃基板具有 中心线平均粗糙比Rab / Raf为0.8〜1的表面，其中，Raf是将玻璃基板保持在温度为80℃的水中24小时后测定的中心线平均粗糙度， Rab是在保持之前测量的杨氏模量为90GPa或更大的中心线平均粗糙度Rab，以及具有玻璃基板并且具有形成在玻璃基板上的信息记录层的信息记录介质。

公开(公告)号：US20050162956A1

公开(公告)日：2005-07-28

申请号：US10505282

申请日：2003-10-29

申请人： Mikio Ikenishi ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Xuelu Zou

IPC分类号： C03C3/085 ,  G11B5/73 ,  G11B5/84 ,  G11C7/00

CPC分类号： G11B5/7315 ,  C03C3/085 ,  C03C15/00 ,  C03C21/002 ,  G11B5/8404

摘要： A substrate for an information recording medium, which has high heat resistance and high acid resistance and is formed of a glass having a glass transition temperature (Tg) of 600° C. or higher and having an etching rate of 0.1 μm/minute or less with regard to a hydrosilicofluoric acid aqueous solution that is maintained at a temperature of 45° C. and has a hydrosilicofluoric acid concentration of 1.72% by weight, and an information recording medium having an information recording layer formed on the above substrate.

摘要翻译： 一种用于信息记录介质的基板，其具有高耐热性和高耐酸性，并且由玻璃化转变温度（Tg）为600℃以上并且蚀刻速率为0.1mum /分钟以下的玻璃形成 关于保持在45℃的温度，氢硅氟酸浓度为1.72重量％的氢硅氟酸水溶液，以及在上述基板上形成有信息记录层的信息记录介质。

公开(公告)号：US06818576B2

公开(公告)日：2004-11-16

申请号：US10156659

申请日：2002-05-29

申请人： Mikio Ikenishi ,  Atsuko Morita ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Atsuko Morita ,  Xuelu Zou

IPC分类号： C04B3089

CPC分类号： G11B5/7315 ,  B24B37/042 ,  C03C3/064 ,  C03C3/083 ,  C03C3/085 ,  C03C3/089 ,  C03C3/091 ,  C03C3/093 ,  C03C19/00 ,  C03C21/00

摘要： Disclosed are a glass substrate for an information recording medium, having excellent scratch resistance and a light weight and having high fracture toughness, the glass substrate having a fragility index value, measured in water, of 12 &mgr;m−1/2 or less or having a fragility index value, measured in an atmosphere having a dew point of −5° C. or lower, of 7 &mgr;m−1/2 or less, or the glass substrate comprising, by mol %, 40 to 75% of SiO2, 2 to 45% of B2O3 and/or Al2O3 and 0 to 40% of R′2O in which R′ is at least one member selected from the group consisting of Li, Na and K), wherein the total content of SiO2, B2O3, Al2O3 and R′2O is at least 90 mol %, and a magnetic information recording medium comprising a magnetic recording layer formed on the glass substrate.

摘要翻译： 公开了一种用于信息记录介质的玻璃基板，具有优异的耐擦伤性和重量轻并且具有高断裂韧性，玻璃基板在水中测得的脆性指数值为12mum -1/2以下， 在露点为-5℃以下的气氛中测定的具有7mum -1/2以下的脆性指数值，或者摩尔％含有40〜75％的摩尔％ SiO2，2〜45％的B2O3和/或Al2O3和0〜40％的R'2O，其中R'为选自Li，Na和K中的至少一种），其中SiO 2的总含量， B 2 O 3，Al 2 O 3和R'2O为至少90摩尔％，磁性信息记录介质包含形成在玻璃基板上的磁记录层。

公开(公告)号：US08424344B2

公开(公告)日：2013-04-23

申请号：US12865574

申请日：2009-01-22

申请人： Xuelu Zou ,  Yunoshin Kanayama ,  Tomoaki Negishi

发明人： Xuelu Zou ,  Yunoshin Kanayama ,  Tomoaki Negishi

IPC分类号： C03C19/00 ,  C03C3/066 ,  C03B17/00

CPC分类号： C03C3/068 ,  C03B17/062 ,  C03B40/02 ,  C03B40/04

摘要： An optical glass comprising, by mol %, 0.1 to 40% of SiO2, 10 to 50% of B2O3, 0 to 10% of total of Li2O, Na2O and K2O, 0 to 10% of total of MgO, CaO, SrO and BaO, 0.5 to 22% of ZnO, 5 to 50% of La2O3, 0.1 to 25% of Gd2O3, 0.1 to 20% of Y2O3, 0 to 20% of Yb2O3, 0 to 25% of ZrO2, 0 to 25% of TiO2, 0 to 20% of Nb2O5, 0 to 10% of Ta2O5, over 0.1% but not more than 20% of WO3, 0 to less than 3% of GeO2, 0 to 10% of Bi2O3, and 0 to 10% of Al2O3, the mass ratio of the content of SiO2 to the content of B2O3, SiO2/B2O3, being 1 or less, the optical glass having a refractive index nd of 1.86 to 1.95 and an Abbe's number νd of (2.36−nd)/0.014 or more but less than 38.

摘要翻译： 一种光学玻璃，其中，SiO 2为0.1〜40％，B 2 O为10〜50％，Li 2 O，Na 2 O，K 2 O为0〜10％，MgO，CaO，SrO和BaO为0〜10％ ，0.5〜22％的ZnO，5〜50％的La2O3，0.1〜25％的Gd2O3，0.1〜20％的Y2O3，0〜20％的Yb2O3，0〜25％的ZrO2，0〜25％的TiO2， 0〜20％的Nb 2 O 5，0〜10％的Ta 2 O 5，超过0.1％但不超过20％的WO 3，0〜小于3％的GeO 2，0〜10％的Bi 2 O 3，0〜10的Al 2 O 3， SiO 2含量与B 2 O 3，SiO 2 / B 2 O 3的含量的质量比为1以下，折射率nd为1.86〜1.95的光学玻璃和（2.36-nd）/ 0.014以上的阿贝数nud 但不到38。

公开(公告)号：US08410008B2

公开(公告)日：2013-04-02

申请号：US13339397

申请日：2011-12-29

申请人： Tomoaki Negishi ,  Xuelu Zou

发明人： Tomoaki Negishi ,  Xuelu Zou

IPC分类号： C03C3/155 ,  C03C3/15 ,  C03C3/066

CPC分类号： C03C3/068 ,  C03C4/02

摘要： An optical glass that is an oxide glass having a very high refractive index in spite of its low-dispersion property, having excellent glass stability and having less susceptibility to coloring.

摘要翻译： 作为折射率非常高的氧化物玻璃的光学玻璃，尽管其分散性低，玻璃稳定性好，着色敏感性低。

公开(公告)号：US08336332B2

公开(公告)日：2012-12-25

申请号：US13409376

申请日：2012-03-01

申请人： Kazutaka Hayashi ,  Hiromasa Tawarayama ,  Xuelu Zou ,  Hiroshi Kawazoe

发明人： Kazutaka Hayashi ,  Hiromasa Tawarayama ,  Xuelu Zou ,  Hiroshi Kawazoe

IPC分类号： C03C15/00 ,  C03B23/00

CPC分类号： C03B32/00 ,  C03B11/005 ,  C03B11/08 ,  C03B2215/66 ,  C03C1/10 ,  C03C3/16 ,  C03C3/21 ,  C03C4/02

摘要： Provided are a process for the production of a precision press-molded article having a high transmittance a method of treating a glass to color or decolor the glass, the process comprising heat-treating a press-molded article containing at least one selected from WO3, Nb2O5 or TiO2 in an oxidizing atmosphere to produce a glass molded article, and the method comprising heat-treating a colored glass containing at least one oxide of WO3 and Nb2O5 in an oxidizing atmosphere to decolor the glass, or heat-treating a glass containing at least one oxide selected from WO3, Nb2O5 or TiO2 in a non-oxidizing atmosphere to color the glass.

摘要翻译： 提供一种制造具有高透射率的精密压制成型制品的方法，该方法包括热处理包含至少一种选自WO 3， Nb 2 O 5或TiO 2在氧化气氛中制造玻璃成形品，所述方法包括在氧化气氛中热处理含有WO 3和Nb 2 O 5的至少一种氧化物的着色玻璃，使玻璃脱色，或者热处理含有 在非氧化气氛中选自WO 3，Nb 2 O 5或TiO 2中的至少一种氧化物以使玻璃着色。

公开(公告)号：US20120100981A1

公开(公告)日：2012-04-26

申请号：US13339397

申请日：2011-12-29

申请人： Tomoaki NEGISHI ,  Xuelu Zou

发明人： Tomoaki NEGISHI ,  Xuelu Zou

IPC分类号： C03C3/068 ,  C03C3/155 ,  C03B11/00 ,  C03C3/253

CPC分类号： C03C3/068 ,  C03C4/02

摘要： An optical glass that is an oxide glass having a very high refractive index in spite of its low-dispersion property, having excellent glass stability and having less susceptibility to coloring.

摘要翻译： 作为折射率非常高的氧化物玻璃的光学玻璃，尽管其分散性低，玻璃稳定性好，着色敏感性低。