公开(公告)号：US20080206494A1

公开(公告)日：2008-08-28

申请号：US12071063

申请日：2008-02-14

申请人： Junji Kurachi ,  Akihiro Koyama ,  Yoichi Hachitani

发明人： Junji Kurachi ,  Akihiro Koyama ,  Yoichi Hachitani

IPC分类号： C09K19/00 ,  C03C3/091

CPC分类号： C03C3/091 ,  Y10T428/1095

摘要： A glass substrate for a display, which is formed of a glass having a light weight and having high refinability with decreasing environmental burdens, the glass comprising, by mass %, 50 to 70% of SiO2, 5 to 18% of B2O3, 10 to 25% of Al2O3, 0 to 10% of MgO, 0 to 20% of CaO, 0 to 20% of SrO, 0 to 10% of BaO, 5 to 20% of RO (in which R is at least one member selected from the group consisting of Mg, Ca, Sr and Ba), and over 0.20% but not more than 2.0% of R′2O (in which R′ is at least one member selected from the group consisting of Li, Na and K), and containing, by mass %, 0.05 to 1.5% of oxide of metal that changes in valence number in a molten glass, and substantially containing none of As2O3, Sb2O3 and PbO.

摘要翻译： 一种显示器用玻璃基板，由玻璃构成，重量轻且环境负荷降低，具有高的可熔性，玻璃的质量百分比为50〜70％的SiO 2，5 至18％的B 2 O 3，10至25％的Al 2 O 3 3，0至10 MgO的％，CaO的0〜20％，SrO 0〜20％，BaO 0〜10％，RO的5〜20％（其中R为选自Mg，Ca， Sr和Ba）和超过0.20％但不超过2.0％的R'2 O（其中R'是选自Li，Na和K中的至少一种）， 并且以质量％计含有熔融玻璃中价数变化的金属氧化物的0.05〜1.5％，并且基本上不含有As 2 O 3 S 3，Sb 2 O 3和PbO。

公开(公告)号：US20100298112A1

公开(公告)日：2010-11-25

申请号：US12801570

申请日：2010-06-15

申请人： Junji Kurachi ,  Akihiro Koyama ,  Yoichi Hachitani

发明人： Junji Kurachi ,  Akihiro Koyama ,  Yoichi Hachitani

IPC分类号： C03C3/091 ,  C03B17/06

CPC分类号： C03C3/091 ,  Y10T428/1095

摘要： A glass substrate for a display, which is formed of a glass having a light weight and having high refinability with decreasing environmental burdens, the glass comprising, by mass %, 50 to 70% of SiO2, 5 to 18% of B2O3, 10 to 25% of Al2O3, 0 to 10% of MgO, 0 to 20% of CaO, 0 to 20% of SrO, 0 to 10% of BaO, 5 to 20% of RO (in which R is at least one member selected from the group consisting of Mg, Ca, Sr and Ba), and over 0.20% but not more than 2.0% of R′2O (in which R′ is at least one member selected from the group consisting of Li, Na and K), and containing, by mass %, 0.05 to 1.5% of oxide of metal that changes in valence number in a molten glass, and substantially containing none of As2O3, Sb2O3 and PbO.

摘要翻译： 一种显示器用玻璃基板，其由重量轻且具有降低的环境负荷的高可熔性的玻璃形成，所述玻璃以质量％计含有50〜70％的SiO 2，5〜18％的B 2 O 3，10〜 25％的Al 2 O 3，0〜10％的MgO，0〜20％的CaO，0〜20％的SrO，0〜10％的BaO，5〜20％的RO（其中R为选自 由Mg，Ca，Sr和Ba组成的组）和超过0.20％但不超过2.0％的R'2O（其中R'为选自Li，Na和K中的至少一种）， 并且以质量％计含有熔融玻璃中价数变化的金属氧化物的0.05〜1.5％，并且基本上不含有As 2 O 3，Sb 2 O 3和PbO。

公开(公告)号：US07763559B2

公开(公告)日：2010-07-27

申请号：US12071063

申请日：2008-02-14

申请人： Junji Kurachi ,  Akihiro Koyama ,  Yoichi Hachitani

发明人： Junji Kurachi ,  Akihiro Koyama ,  Yoichi Hachitani

IPC分类号： C03C3/091 ,  C03C3/093

CPC分类号： C03C3/091 ,  Y10T428/1095

摘要： A glass substrate for a display, which is formed of a glass having a light weight and having high refinability with decreasing environmental burdens, the glass comprising, by mass %, 50 to 70% of SiO2, 5 to 18% of B2O3, 10 to 25% of Al2O3, 0 to 10% of MgO, 0 to 20% of CaO, 0 to 20% of SrO, 0 to 10% of BaO, 5 to 20% of RO (in which R is at least one member selected from the group consisting of Mg, Ca, Sr and Ba), and over 0.20% but not more than 2.0% of R′2O (in which R′ is at least one member selected from the group consisting of Li, Na and K), and containing, by mass %, 0.05 to 1.5% of oxide of metal that changes in valence number in a molten glass, and substantially containing none of As2O3, Sb2O3 and PbO.

公开(公告)号：US08383530B2

公开(公告)日：2013-02-26

申请号：US12801570

申请日：2010-06-15

申请人： Junji Kurachi ,  Akihiro Koyama ,  Yoichi Hachitani

发明人： Junji Kurachi ,  Akihiro Koyama ,  Yoichi Hachitani

IPC分类号： C03C3/091 ,  C03C3/093 ,  C03B17/00 ,  C03B5/225

CPC分类号： C03C3/091 ,  Y10T428/1095

摘要： A glass substrate for a display, which is formed of a glass having a light weight and having high refinability with decreasing environmental burdens, the glass comprising, by mass %, 50 to 70% of SiO2, 5 to 18% of B2O3, 10 to 25% of Al2O3, 0 to 10% of MgO, 0 to 20% of CaO, 0 to 20% of SrO, 0 to 10% of BaO, 5 to 20% of RO (in which R is at least one member selected from the group consisting of Mg, Ca, Sr and Ba), and over 0.20% but not more than 2.0% of R′2O (in which R′ is at least one member selected from the group consisting of Li, Na and K), and containing, by mass %, 0.05 to 1.5% of oxide of metal that changes in valence number in a molten glass, and substantially containing none of As2O3, Sb2O3 and PbO.

摘要翻译： 一种显示器用玻璃基板，其由重量轻且具有降低的环境负荷的高可熔性的玻璃形成，所述玻璃以质量％计含有50〜70％的SiO 2，5〜18％的B 2 O 3，10〜 25％的Al 2 O 3，0〜10％的MgO，0〜20％的CaO，0〜20％的SrO，0〜10％的BaO，5〜20％的RO（其中R为选自 由Mg，Ca，Sr和Ba组成的组）和超过0.20％但不超过2.0％的R'2O（其中R'为选自Li，Na和K中的至少一种）， 并且以质量％计含有熔融玻璃中价数变化的金属氧化物的0.05〜1.5％，并且基本上不含有As 2 O 3，Sb 2 O 3和PbO。

公开(公告)号：US20090075805A1

公开(公告)日：2009-03-19

申请号：US11887848

申请日：2006-04-05

申请人： Junji Kurachi ,  Koji Fujita ,  Haruki Niida ,  Akihiro Koyama

发明人： Junji Kurachi ,  Koji Fujita ,  Haruki Niida ,  Akihiro Koyama

IPC分类号： C03C3/118 ,  C03C3/091 ,  C03C3/087 ,  C03C3/11 ,  C03C3/112 ,  C03C3/085

CPC分类号： B01L3/5085 ,  B01L2200/12 ,  B01L2300/0819 ,  B01L2300/0822 ,  B01L2300/0829 ,  B01L2300/12 ,  B01L2300/168 ,  C03C3/083 ,  C03C4/0085 ,  G01N21/33

摘要： An ultraviolet ray transmitting glass composition including the following components, in terms of mass % or mass ppm: 60 to 79% SiO2; 0 to 1% B2O3; exceeded 0% but not more than 20% Al2O3; 0 to 10% Li2O; 5 to 20% Na2O; 0 to 15% K2O; 0 to 10% MgO; 0 to 10% CaO; 0 to 15% SrO; 0 to 2% refining agent; 2 to 20 ppm T-Fe2O3 (in which T-Fe2O3 denotes a total iron oxide content obtained by converting all of iron compounds into Fe2O3); and 0 to 200 ppm TiO2. The ultraviolet ray transmitting glass composition is suitable for a glass article, such as a bioanalytical device that is used for analysis using ultraviolet rays.

摘要翻译： 以质量％或质量ppm计的包含以下组分的紫外线透射玻璃组合物：60至79％SiO 2; 0〜1％B2O3; 超过0％但不大于20％的Al2O3; 0〜10％Li2O; 5〜20％Na2O; 0〜15％K2O; 0〜10％MgO; 0〜10％CaO; 0〜15％SrO; 0〜2％精制剂; 2〜20ppm T-Fe 2 O 3（其中T-Fe 2 O 3表示通过将所有铁化合物转化为Fe 2 O 3而获得的总氧化铁含量）; 和0〜200ppm的TiO 2。 紫外线透射玻璃组合物适用于玻璃制品，例如用于使用紫外线进行分析的生物分析装置。

公开(公告)号：US20050003136A1

公开(公告)日：2005-01-06

申请号：US10860713

申请日：2004-06-03

申请人： Junji Kurachi ,  Akihiro Koyama

发明人： Junji Kurachi ,  Akihiro Koyama

IPC分类号： C03C3/085 ,  B32B3/02

CPC分类号： C03C3/085

摘要： The present invention provides a glass composition that has excellent heat resistance and ion exchange ability and can be provided with high strength by a chemical strengthening treatment through an ion exchange. This glass composition includes, in terms of mass %: 59 to 68% of SiO2; 9.5 to 15% of Al2O3; 0 to 1% of Li2O; 3 to 18% of Na2O; 0 to 3.5% of K2O; 0 to 15% of MgO; 1 to 15% of CaO; 0 to 4.5% of SrO; 0 to 1% of BaO; 0 to 2% of TiO2; and 1 to 10% of ZrO2. The glass composition of the present invention is suitable for a glass substrate for magnetic recording media and also can be formed as a chemically strengthened glass article through an ion-exchange treatment.

摘要翻译： 本发明提供了具有优异的耐热性和离子交换能力的玻璃组合物，并且可以通过离子交换通过化学强化处理而具有高强度。 该玻璃组合物以质量％计含有：59〜68％的SiO 2; 9.5〜15％的Al2O3; 0〜1％的Li2O; 3〜18％的Na2O; 0〜3.5％K2O; 0〜15％的MgO; 1〜15％的CaO; 0〜4.5％的SrO; 0〜1％的BaO; 0〜2％的TiO2; 和1〜10％的ZrO 2。 本发明的玻璃组合物适用于磁记录介质用玻璃基板，也可以通过离子交换处理形成为化学强化玻璃制品。

公开(公告)号：US06576353B1

公开(公告)日：2003-06-10

申请号：US09526583

申请日：2000-03-16

申请人： Kazuishi Mitani ,  Yasuhiro Saito ,  Koichi Ataka ,  Akihiro Koyama ,  Junji Kurachi ,  Nobuyuki Yamamoto ,  Yoshihiro Matsuno

发明人： Kazuishi Mitani ,  Yasuhiro Saito ,  Koichi Ataka ,  Akihiro Koyama ,  Junji Kurachi ,  Nobuyuki Yamamoto ,  Yoshihiro Matsuno

IPC分类号： B32B1706

CPC分类号： G11B5/7315 ,  C03C3/083 ,  C03C15/00 ,  C03C21/002 ,  G11B5/8404 ,  Y10T428/315

摘要： A glass substrate for use as an information recording medium has an average surface roughness (Ra) in the range of 0.3 nm≦Ra

摘要翻译： 用作信息记录介质的玻璃基板的平均表面粗糙度（Ra）在0.3nm <= Ra <3.0nm的范围内，并且包括各向同性地分布成形并分布大致连续布置的表面凹凸。 在50mum×50μm的面积内，表面凹凸包括高度至少为3nm的5〜50,000个凸部，高度为15nm以下的凸部。 如果用碱性溶液过度蚀刻，则通过在玻璃基板中的酸处理工艺制造的多孔区域将被完全去除。 然而，通过控制酸碱处理工艺的条件，可以在多孔区域中的孔扩大的阶段停止使用碱性溶液的蚀刻工艺。

公开(公告)号：US06399527B1

公开(公告)日：2002-06-04

申请号：US09401126

申请日：1999-09-22

申请人： Shoichi Kishimoto ,  Akihiro Koyama ,  Junji Kurachi ,  Nobuyuki Yamamoto

发明人： Shoichi Kishimoto ,  Akihiro Koyama ,  Junji Kurachi ,  Nobuyuki Yamamoto

IPC分类号： C03C3085

CPC分类号： C03C3/085 ,  C03C3/087

摘要： A glass composition having a high Young's modulus and a low density is disclosed which can be mass-produced by a continuous process and easily made to have high surface smoothness. Also disclosed are a substrate including the glass composition and reduced in bending and resonance even upon high-speed rotation, a recording medium usable at a lower flying height, and an information recording device having a higher recording capacity and a shorter access time. The glass composition includes, in terms of mol %, 40 to 55% silicon dioxide (SiO2), 0.5 to 6% aluminum oxide (Al2O3), 2 to 20% lithium oxide (Li2O), 0 to 10% sodium monoxide ((Na2O), 2 to 30% R2O (R2O=Li2O+Na2O), 5 to 25% magnesium oxide (MgO), 0 to 25% calcium oxide (CaO), 0 to 10% strontium oxide (SrO), 10 to 40% RO (RO=MgO+CaO+SrO), 0 to 10% titanium dioxide (TiO2), and 0 to 5% zirconium oxide (ZrO2).

摘要翻译： 公开了具有高杨氏模量和低密度的玻璃组合物，其可以通过连续工艺大量生产并且易于制成具有高表面平滑度。 还公开了包括玻璃组合物的基底，即使在高速旋转时减少弯曲和共振，可以在较低飞行高度下使用的记录介质，以及具有较高记录容量和较短访问时间的信息记录装置。 玻璃组合物以摩尔％计包含40至55％的二氧化硅（SiO 2），0.5至6％的氧化铝（Al 2 O 3），2至20％的氧化锂（Li 2 O），0至10％的一氧化钠（（Na 2 O） ），2〜30％的R2O（R2O = Li2O + Na2O），5〜25％的氧化镁（MgO），0〜25％的氧化钙（CaO），0〜10％的氧化锶（SrO），10〜40％的RO （RO = MgO + CaO + SrO），0〜10％的二氧化钛（TiO 2）和0〜5％的氧化锆（ZrO 2）。

公开(公告)号：US06306786B1

公开(公告)日：2001-10-23

申请号：US09293991

申请日：1999-04-19

申请人： Akihiro Koyama ,  Shoichi Kishimoto ,  Junji Kurachi ,  Nobuyuki Yamamoto

发明人： Akihiro Koyama ,  Shoichi Kishimoto ,  Junji Kurachi ,  Nobuyuki Yamamoto

IPC分类号： C03C3062

CPC分类号： C03C3/062 ,  C03C3/085 ,  C03C3/087 ,  C03C21/002 ,  Y10T428/315

摘要： A glass composition is disclosed which has a high modulus elasticity (Young's modulus) and a high rigidity (modulus of elasticity/specific gravity) and is capable of being effectively inhibited from bending or vibrating. Also disclosed is a process for producing the glass composition. The glass composition comprises, in terms of mol %, 40 to 65% SiO2, 5 to 25% Al2O3, 2 to 20% Li2O, 0 to 9% Na2O, 0 to 10% TiO2, 0 to 10% ZrO2, 0 to 25% MgO, 0 to 25% CaO, and 0 to 10% SrO, provided that the content of RO (RO=MgO+CaO+SrO) is from 2 to 40% and the sum of (Li2O)/2 and Na2O is from 1 to 10 mol %, said glass composition further containing, as clarifiers, from 0.01 to 5 mol % SnO2 and up to 0.1 mol % sulfur (S) in terms of the amount of SO3.

摘要翻译： 公开了具有高模量弹性（杨氏模量）和高刚性（弹性/比重）的玻璃组合物，能够有效地抑制弯曲或振动。 还公开了一种玻璃组合物的制造方法。 该玻璃组合物以摩尔％计含有40至65％的SiO 2，5至25％的Al 2 O 3，2至20％的Li 2 O，0至9％的Na 2 O，0至10的TiO 2，0至10的ZrO 2，0至25 （MgO），0〜25％的CaO和0〜10％的SrO，条件是RO（RO = MgO + CaO + SrO）的含量为2〜40％，（Li 2 O）/ 2和Na 2 O的总和来自 1〜10摩尔％，所述玻璃组合物还含有以SO 3量计的0.01〜5摩尔％的SnO 2和0.1摩尔％的硫（S）作为澄清剂。

公开(公告)号：US07767607B2

公开(公告)日：2010-08-03

申请号：US11933581

申请日：2007-11-01

申请人： Junji Kurachi ,  Akihiro Koyama ,  Nobuyuki Yamamoto

发明人： Junji Kurachi ,  Akihiro Koyama ,  Nobuyuki Yamamoto

IPC分类号： C03C3/087 ,  G11B5/706

CPC分类号： C03C21/002 ,  C03C3/087 ,  Y10T428/315

摘要： A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass composition essentially comprising 60 to 70 wt % SiO2, 5 to 20 wt % Al2O3, 0 to 1 wt % Li2O, 3 to 18 wt % Na2O, 0 to 9 wt % K2O, 0 to 10 wt % MgO, 1 to 15 wt % CaO, 0 to 4.5 wt % SrO, 0 to 1 wt % BaO, 0 to 1 wt % TiO2 and 0 to 1 wt % ZrO2, wherein the sum of Li2O, Na2O and K2O is from 5 to 25 wt %, and the sum of MgO, CaO, SrO and BaO is from 5 to 20 wt %.

摘要翻译： 本发明的用于具有高耐热性和易于化学强化能力的磁记录介质的本发明的玻璃基板尚未得到，其为基本上包含60至70重量％的SiO 2，5至20重量％的Al 2 O 3，0至 1重量％Li 2 O，3〜18重量％Na 2 O，0〜9重量％K 2 O，0〜10重量％MgO，1〜15重量％CaO，0〜4.5重量％SrO，0〜1重量％BaO，0〜1 重量％TiO 2和0〜1重量％的ZrO 2，其中Li 2 O，Na 2 O和K 2 O的总和为5〜25重量％，MgO，CaO，SrO和BaO的总和为5〜20重量％。