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：US08357459B2

公开(公告)日：2013-01-22

申请号：US13244399

申请日：2011-09-24

申请人： Kazuo Tachiwana ,  Yoichi Hachitani ,  Xuelu Zou ,  Mikio Ikenishi ,  Kinobu Osakabe

发明人： Kazuo Tachiwana ,  Yoichi Hachitani ,  Xuelu Zou ,  Mikio Ikenishi ,  Kinobu Osakabe

IPC分类号： C03C3/097 ,  C03C3/04

CPC分类号： G11B5/735 ,  C03C3/083 ,  C03C3/087 ,  C03C3/095 ,  C03C3/097 ,  C03C15/00 ,  C03C19/00 ,  C03C21/002 ,  C03C23/0075 ,  G11B5/7315 ,  G11B5/82 ,  G11B5/8404 ,  Y10T428/24273 ,  Y10T428/315

摘要： According to one aspect of the present invention, provided is glass for use in substrate for information recording medium, which comprises, denoted as molar percentages, a total of 70 to 85 percent of SiO2 and Al2O3, where SiO2 content is equal to or greater than 50 percent and Al2O3 content is equal to or greater than 3 percent; a total of equal to or greater than 10 percent of Li2O, Na2O and K2O; a total of 1 to 6 percent of CaO and MgO, where CaO content is greater than MgO content; a total of greater than 0 percent but equal to or lower than 4 percent of ZrO2, HfO2, Nb2O5, Ta2O5, La2O3Y2O3 and TiO2; with the molar ratio of the total content of Li2O, Na2O and K2O to the total content of SiO2, Al2O3, ZrO2, HfO2, Nb2O5, Ta2O5, La2O3, Y2O3 and TiO2((Li2O+Na2O+K2O)/(SiO2+Al2O3+ZrO2+HfO2+Nb2O5+Ta2O5+La2O3+Y2O3+TiO2)) being equal to or less than 0.28. Further provided are the substrate for information recording medium, information recording medium and their manufacturing methods according to the present invention.

摘要翻译： 根据本发明的一个方面，提供了一种用于信息记录介质的基板的玻璃，其包括以摩尔百分数表示的总和为70〜85％的SiO 2和Al 2 O 3，其中SiO 2含量等于或大于 50％，Al2O3含量等于或大于3％; 总计等于或大于10％的Li2O，Na2O和K2O; CaO和MgO的总量为1〜6％，其中CaO含量大于MgO含量; 总共大于0％但等于或低于ZrO2，HfO2，Nb2O5，Ta2O5，La2O3Y2O3和TiO2的4％; 其中Li2O，Na2O和K2O的总含量与SiO2，Al2O3，ZrO2，HfO2，Nb2O5，Ta2O5，La2O3，Y2O3和TiO2（（Li2O + Na2O + K2O）/（SiO2 + Al2O3 + ZrO 2 + HfO 2 + Nb 2 O 5 + Ta 2 O 5 + La 2 O 3 + Y 2 O 3 + TiO 2））等于或小于0.28。 还提供了根据本发明的用于信息记录介质的基板，信息记录介质及其制造方法。

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：US08261579B2

公开(公告)日：2012-09-11

申请号：US13351298

申请日：2012-01-17

申请人： Mikio Ikenishi ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Xuelu Zou

IPC分类号： C03C19/00 ,  C03C3/23 ,  C03C3/247 ,  C03C3/17 ,  C03B23/00

CPC分类号： C03B11/122 ,  C03B7/12 ,  C03B17/06 ,  C03B19/02 ,  C03B2215/66 ,  C03C3/247 ,  Y02P40/57

摘要： Provided is an optically uniform and high-quality optical glass that is free from the occurrence of striae when a precision press-molding preform is produced therefrom, and that is a fluorine-containing glass having a refractive index nd(1) wherein the refractive index nd(1) and a refractive index nd(2) are substantially equivalent to each other, said refractive index nd(2) being a refractive index of the fluorine-containing glass after the fluorine-containing glass is re-melted in a nitrogen atmosphere at 900° C. for 1 hour, cooled to its glass transition temperature and then cooled to 25° C. at a temperature decrease rate of 30° C./hour.

公开(公告)号：US20120111062A1

公开(公告)日：2012-05-10

申请号：US13351298

申请日：2012-01-17

申请人： Mikio IKENISHI ,  Xuelu Zou

发明人： Mikio IKENISHI ,  Xuelu Zou

IPC分类号： C03B25/00 ,  C03B23/00

CPC分类号： C03B11/122 ,  C03B7/12 ,  C03B17/06 ,  C03B19/02 ,  C03B2215/66 ,  C03C3/247 ,  Y02P40/57

摘要： Provided is an optically uniform and high-quality optical glass that is free from the occurrence of striae when a precision press-molding preform is produced therefrom, and that is a fluorine-containing glass having a refractive index nd(1) wherein the refractive index nd(1) and a refractive index nd(2) are substantially equivalent to each other, said refractive index nd(2) being a refractive index of the fluorine-containing glass after the fluorine-containing glass is re-melted in a nitrogen atmosphere at 900° C. for 1 hour, cooled to its glass transition temperature and then cooled to 25° C. at a temperature decrease rate of 30° C./hour.

摘要翻译： 本发明提供一种光学均匀且高质量的光学玻璃，其由制造精密加压预成型体时不发生条纹，并且是具有折射率nd（1）的含氟玻璃，其中折射率 nd（1）和折射率nd（2）彼此基本相等，所述折射率nd（2）是在含氮玻璃在氮气气氛中再熔融后的含氟玻璃的折射率 在900℃下搅拌1小时，冷却至其玻璃化转变温度，然后以30℃/小时的降温速率冷却至25℃。

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。

公开(公告)号：US20120021892A1

公开(公告)日：2012-01-26

申请号：US13244399

申请日：2011-09-24

申请人： Kazuo TACHIWANA ,  Yoichi HACHITANI ,  Xuelu ZOU ,  Mikio IKENISHI ,  Kinobu OSAKABE

发明人： Kazuo TACHIWANA ,  Yoichi HACHITANI ,  Xuelu ZOU ,  Mikio IKENISHI ,  Kinobu OSAKABE

IPC分类号： C03C3/097 ,  C03C3/04 ,  C03C3/085 ,  C03C3/087 ,  C03C3/095

CPC分类号： G11B5/735 ,  C03C3/083 ,  C03C3/087 ,  C03C3/095 ,  C03C3/097 ,  C03C15/00 ,  C03C19/00 ,  C03C21/002 ,  C03C23/0075 ,  G11B5/7315 ,  G11B5/82 ,  G11B5/8404 ,  Y10T428/24273 ,  Y10T428/315

摘要： According to one aspect of the present invention, provided is glass for use in substrate for information recording medium, which comprises, denoted as molar percentages, a total of 70 to 85 percent of SiO2 and Al2O3, where SiO2 content is equal to or greater than 50 percent and Al2O3 content is equal to or greater than 3 percent; a total of equal to or greater than 10 percent of Li2O, Na2O and K2O; a total of 1 to 6 percent of CaO and MgO, where CaO content is greater than MgO content; a total of greater than 0 percent but equal to or lower than 4 percent of ZrO2, HfO2, Nb2O5, Ta2O5, La2O3 Y2O3 and TiO2; with the molar ratio of the total content of Li2O, Na2O and K2O to the total content of SiO2, Al2O3, ZrO2, HfO2, Nb2O5, Ta2O5, La2O3, Y2O3 and TiO2 ((Li2O+Na2O+K2O)/(SiO2+Al2O3+ZrO2+HfO2+Nb2O5+Ta2O5+La2O3+Y2O3+TiO2)) being equal to or less than 0.28. Further provided are the substrate for information recording medium, information recording medium and their manufacturing methods according to the present invention.

摘要翻译： 根据本发明的一个方面，提供了一种用于信息记录介质的基板的玻璃，其包括以摩尔百分数表示的总和为70〜85％的SiO 2和Al 2 O 3，其中SiO 2含量等于或大于 50％，Al2O3含量等于或大于3％; 总计等于或大于10％的Li2O，Na2O和K2O; CaO和MgO的总量为1〜6％，其中CaO含量大于MgO含量; 总共大于0％但等于或低于ZrO2，HfO2，Nb2O5，Ta2O5，La2O3 Y2O3和TiO2的4％; 其中Li2O，Na2O和K2O的总含量与SiO2，Al2O3，ZrO2，HfO2，Nb2O5，Ta2O5，La2O3，Y2O3和TiO2（（Li2O + Na2O + K2O）/（SiO2 + Al2O3 + ZrO 2 + HfO 2 + Nb 2 O 5 + Ta 2 O 5 + La 2 O 3 + Y 2 O 3 + TiO 2））等于或小于0.28。 还提供了根据本发明的用于信息记录介质的基板，信息记录介质及其制造方法。

公开(公告)号：US07994082B2

公开(公告)日：2011-08-09

申请号：US10878618

申请日：2004-06-29

申请人： Xuelu Zou ,  Yoshiko Kasuga ,  Yasuhiro Fujiwara

发明人： Xuelu Zou ,  Yoshiko Kasuga ,  Yasuhiro Fujiwara

IPC分类号： C03C3/21 ,  C03C3/16 ,  C03C3/19 ,  C03B11/00 ,  C03B17/00

CPC分类号： C03C3/21 ,  C03C3/062 ,  C03C3/16

摘要： Preforms for precision press molding made of optical glass, optical elements, and methods of manufacturing the same are provided. The preforms are suited to precision press molding having a broad range of dispersion characteristics, a low glass transition temperature, a low sag point, and good resistance to devitrification while containing no PbO. The optical element is obtained by precision press molding the preform. One example of the preform has a refractive index (nd) of greater than or equal to 1.7 and an Abbé number (vd) of less than or equal to 32. The other example of the preform has an Abbé number (vd) exceeding 32.

摘要翻译： 提供了由光学玻璃，光学元件及其制造方法制成的精密压制成型的预制件。 预成型件适合于具有宽范围的分散特性，低玻璃化转变温度，低凹陷点以及良好的耐失透性同时不含PbO的精密压模成型。 光学元件通过精密压模成型而获得。 预成型件的一个实例具有大于或等于1.7的折射率（nd）和小于或等于32的Abbé数（vd）。预成型件的另一个实例具有超过32的Abbé数（vd）。

公开(公告)号：US20110159322A1

公开(公告)日：2011-06-30

申请号：US13022363

申请日：2011-02-07

申请人： Mikio IKENISHI ,  Xuelu ZOU

发明人： Mikio IKENISHI ,  Xuelu ZOU

IPC分类号： G11B5/735 ,  C03C21/00 ,  C03C3/00

CPC分类号： G11B5/7315 ,  C03C3/087 ,  C03C21/002 ,  Y10T428/21

摘要： A glass for use in chemical reinforcement for use in a substrate of an information recording medium, having a composition comprising, denoted as mol %: SiO247 to 70%  Al2O31 to 10% (where the total of SiO2 and Al2O3 is 57 to 80%) CaO2 to 25% BaO1 to 15% Na2O1 to 10% K2O0 to 15% (where the total of Na2O and K2O is 3 to 16%) ZrO21 to 12% MgO0 to 10% SrO0 to 15% (where the ratio of the content of CaO to the total of MgO, CaO, SrO, and BaO is greater than or equal to 0.5) ZnO0 to 10% (where the total of MgO, CaO, SrO, BaO, and ZnO is 3 to 30%) TiO20 to 10% and the total content of the above-stated components is greater than or equal to 95%. A glass for use in chemical reinforcement for use in the substrate of an information recording medium employed in a perpendicular magnetic recording system, in which the glass exhibits the glass transition temperature is greater than or equal to 600° C. A substrate for use in an information recording medium consisting of the above glass and being chemically reinforced. A substrate for an information recording medium consisting of a chemically reinforced glass having a glass transition temperature of greater than or equal to 600° C. and exhibiting a bending strength following heating for two hours at 570° C. of greater than or equal to 15 kgf/mm2. An information recording medium comprising an information recording layer on the above substrate for an information recording medium. The present invention provides glass having both high thermal resistance and high strength, a substrate for use in information recording media comprised of this glass, and an information recording medium employing such a substrate.

摘要翻译： 用于信息记录介质的基板中的化学增强用玻璃，其具有以摩尔％表示的组成：SiO 2 47〜70％Al 2 O 3 1〜10％（SiO 2和Al 2 O 3的总和为57〜80 ％）CaO 2〜25％BaO 1〜15％Na 2 O 1〜10％K2O 0〜15％（Na2O和K2O的总和为3〜16％）ZrO2 1〜12％MgO 0〜10％SrO 0〜15 ％（CaO的含量与MgO，CaO，SrO和BaO的总量的比例大于等于0.5）ZnO 0〜10％（MgO，CaO，SrO，BaO，ZnO的总量 为3〜30％）TiO 2为0〜10％，上述成分的总含量为95％以上。 用于在垂直磁记录系统中使用的信息记录介质的基板中的玻璃，其中所述玻璃呈玻璃化转变温度大于或等于600℃。 信息记录介质，由上述玻璃构成，并被化学强化。 一种用于信息记录介质的基板，由玻璃化转变温度大于或等于600℃的化学强化玻璃组成，并且在570℃下加热2小时后的弯曲强度大于或等于15 kgf / mm2。 一种信息记录介质，包括在上述信息记录介质用基板上的信息记录层。 本发明提供具有高热阻和高强度的玻璃，用于由该玻璃构成的信息记录介质的基板和使用这种基板的信息记录介质。