公开(公告)号：US20060040142A1

公开(公告)日：2006-02-23

申请号：US11219913

申请日：2005-09-07

申请人： Xuelu Zou ,  Kouji Azegami

发明人： Xuelu Zou ,  Kouji Azegami

IPC分类号： G11B5/706 ,  C03C10/04 ,  C03C10/14

CPC分类号： G11B5/7315 ,  C03C10/0045

摘要： Enclosed are crystallized glasses suitable for a substrate for an information recording medium such as a magnetic disc, optical disc, or optomagnetic disc, a substrate for information recording medium using such a crystallized glass substrate, and an information recording medium using such a substrate for information recording medium. The crystallized glasses are capable of providing a glass substrate having a high Young's modulus, as well as excellent mechanical strength, surface flatness, and heat resistance and having an excellent surface smoothness upon polishing. Glass substrate having an excellent surface smoothness using such a crystallized glass are also disclosed.

公开(公告)号：US06977232B2

公开(公告)日：2005-12-20

申请号：US10270720

申请日：2002-10-16

申请人： Kazutaka Hayashi ,  Xuelu Zou

发明人： Kazutaka Hayashi ,  Xuelu Zou

IPC分类号： C03B7/12 ,  C03B11/00 ,  C03B11/12 ,  C03B40/04 ,  C03C3/068 ,  C03C3/066 ,  C03C3/095 ,  C03C3/155

CPC分类号： C03B11/005 ,  C03B7/12 ,  C03B11/122 ,  C03B40/04 ,  C03B2215/66 ,  C03B2215/72 ,  C03C3/068

摘要： Provided is an optical glass that has high-refractivity and high-dispersion properties and can give preforms for press-molding, which are excellent in shapability at high temperatures and suitable for precision press-molding.The optical contains, as essential components, 25 to 45 mol % of B2O3, 2 to 20 mol % of SiO2, 5 to 22 mol % of La2O3, 2 to 20 mol % of Gd2O3, 15 to 29 mol % of ZnO, 1 to 10 mol % of Li2O and 0.5 to 8 mol % of ZrO2, the optical glass having a B2O3/SiO2 molar ratio of from 2 to 5.5 and having an La2O3 and Gd2O3 total content of 12 to 24 mol % and a ZnO and Li2O total content of 25 to 30 mol %, the optical glass having a refractive index (nd) of 1.75 to 1.85 and an Abbe's number (νd) of 40 to 55, or the optical glass contains, as essential components, B2O3, SiO2, La2O3, Gd2O3, ZnO, Li2O and ZrO2 and has a viscosity of at least 6 dPa·s at a liquidus temperature thereof, a glass transition temperature (Tg) of 600° C. or lower, a refractive index (nd) of 1.75 to 1.85 and Abbe's number (νd) of 40 to 55.

摘要翻译： 提供了具有高折射率和高分散性的光学玻璃，并且能够提供在高温下成形性优异并适用于精密加压成型的压制成形用预成型体。 光学元件作为必要成分含有25〜45摩尔％的B 2 O 3 3，2〜20摩尔％的SiO 2，5 至22mol％的La 2 O 3 3，2至20mol％的Gd 2 O 3 3，15 至29mol％的ZnO，1至10mol％的Li 2 O和0.5至8mol％的ZrO 2 2，光学玻璃具有B 2 具有2至5.5并具有La 2 O 3 3/3的氧化亚烷基二氧化硅/ SiO 2摩尔比 和Gd 2 O 3总含量为12〜24摩尔％，ZnO和Li 2 O 2总含量为25〜30摩尔％ ，折射率（nd）为1.75〜1.85，阿贝数（nud）为40〜55的光学玻璃，或者光学玻璃作为必要成分含有B 2 O 2， 3，SiO 2，2，3，3，3，3，3 <3， ZnO，Li 2 O和ZrO 2，并且在液相线温度下具有至少6dPa.s的粘度，玻璃化转变温度（Tg） 的 600℃以下，折射率（nd）为1.75〜1.85，阿贝数（nud）为40〜55。

公开(公告)号：US06905988B2

公开(公告)日：2005-06-14

申请号：US10612015

申请日：2003-07-03

申请人： Xuelu Zou

发明人： Xuelu Zou

IPC分类号： C03C10/00 ,  C03C10/04 ,  G11B5/73

CPC分类号： G11B5/7315 ,  C03C10/0045 ,  G11B5/7325

摘要： Provided is a substrate for information recording medium composed of such a crystallized glass as having high Young's modulus, strength and heat resistance, being excellent in surface smoothness, surface homogeneity and surface processability, as well as having a relatively low temperature of glass liquid phase and being capable of producing cheaply, and an information recording medium using this substrate.The crystallized glass substrate for information recording medium comprising 35-65 mol % of SiO2, 5-25 mol % of Al2O3, 10-40 mol % of MgO and 5-15 mol % of TiO2, in which the total amount of aforementioned composition is at least equal to or higher than 92 mol % and the main crystals are enstatite and/or its solid solution. The information recording medium having this substrate and a recording layer formed on said substrate.

摘要翻译： 本发明提供一种信息记录介质用基板，其由具有高杨氏模量，强度和耐热性的结晶玻璃构成，表面平滑性，表面均匀性和表面加工性优异，玻璃液相温度较低， 能够廉价地制造的信息记录介质，以及使用该基板的信息记录介质。 用于信息记录介质的结晶玻璃基板包括35-65mol％的SiO 2，5-25mol％的Al 2 O 3 3， 10-40摩尔％的MgO和5-15摩尔％的TiO 2，其中上述组合物的总量至少等于或高于92摩尔％，并且主晶体是顽辉石，和 /或其固体溶液。 具有该基板的信息记录介质和形成在所述基板上的记录层。

公开(公告)号：US5997977A

公开(公告)日：1999-12-07

申请号：US90157

申请日：1998-06-04

申请人： Xuelu Zou ,  Kazuaki Hashimoto

发明人： Xuelu Zou ,  Kazuaki Hashimoto

IPC分类号： C03C3/078 ,  C03C3/087 ,  C03C3/095 ,  G11B5/60 ,  G11B5/73 ,  G11B5/82 ,  G11B23/00 ,  B32B3/00

CPC分类号： G11B5/7315 ,  C03C3/078 ,  C03C3/087 ,  C03C3/095 ,  G11B23/0028 ,  G11B5/6011 ,  G11B5/82 ,  Y10S428/913 ,  Y10T428/21

摘要： A substrate for an information recording medium is prepared from a glass substance having a Young's modulus not smaller than 100 GPa and a liquidus temperature not higher than 1350.degree. C.

摘要翻译： 用于信息记录介质的基材由杨氏模量不小于100GPa，液相线温度不高于1350℃的玻璃物质制备。

公开(公告)号：US5981015A

公开(公告)日：1999-11-09

申请号：US923143

申请日：1997-09-04

申请人： Xuelu Zou ,  Hisayoshi Toratani

发明人： Xuelu Zou ,  Hisayoshi Toratani

IPC分类号： C03C4/00 ,  G11B5/62 ,  G11B5/73 ,  G11B5/84 ,  G11B7/24 ,  G11B7/26 ,  G11B5/66

CPC分类号： G11B5/7315 ,  G11B5/8404 ,  Y10S428/90 ,  Y10T428/265

摘要： A method for seeking, from an outer circle radius a, an inner circle radius b, and a thickness h of a disc substrate and a deflection Wmax permissive at a time of rotation, a specific elastic modulus G that a material forming the substrate has, ##EQU1## The material for providing a substrate for information recording media having a thickness h of 0.6 millimeter and a deflection Wmax of 1.4 micrometer has a specific elastic modulus G satisfying above Formula (1).

摘要翻译： 从盘的外圆半径a，内圆半径b和厚度h以及旋转时允许的偏转Wmax求出形成基板的材料的比弹性模量G， 用于提供具有0.6毫米的厚度h和1.4微米的偏转Wmax的用于信息记录介质的基板的材料具有满足上述式（1）的比弹性模量G.

公开(公告)号：US08785011B2

公开(公告)日：2014-07-22

申请号：US13605006

申请日：2012-09-06

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： G11B5/84 ,  G11B5/667 ,  C03B37/00 ,  C03C3/095 ,  C03C3/083

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：US08206830B2

公开(公告)日：2012-06-26

申请号：US12295620

申请日：2007-03-28

申请人： Xuelu Zou ,  Yasuhiro Fujiwara

发明人： Xuelu Zou ,  Yasuhiro Fujiwara

IPC分类号： B32B17/06 ,  C03B23/02

CPC分类号： C03C17/02 ,  C03C3/062 ,  C03C3/064 ,  C03C3/066 ,  C03C3/068 ,  C03C3/089 ,  C03C3/091 ,  C03C3/093 ,  C03C3/095 ,  C03C3/155 ,  C03C3/16 ,  C03C3/17 ,  C03C3/19 ,  C03C3/21 ,  C03C3/247

摘要： A glass material for mold pressing, comprising a core portion comprised of an optical glass with a degree of abrasion FA of 200 or higher and a covering portion comprised of a second glass covering at least a portion of the surface of said core portion. A method for manufacturing an optical glass element, wherein a glass material that has been preformed to a prescribed shape is heat softened and press molded with a pressing mold and the outer perimeter portion of the molded product obtained is removed by mechanical processing. The above-mentioned glass material for mold pressing is used as the glass material. To provide a means whereby an optical element does not bear scratches on optically functional surfaces through contact during handling after the press molding of press molded glass products despite being comprised of a glass material with a high degree of abrasion, and a means whereby even when scratched, the function of the optical element finally obtained is unaffected.

摘要翻译： 一种用于模压的玻璃材料，包括由磨损度为200以上的光学玻璃构成的芯部和由覆盖所述芯部的表面的至少一部分的第二玻璃构成的覆盖部。 一种制造光学玻璃元件的方法，其中已经预成形为规定形状的玻璃材料被热软化并用压模模压，并且通过机械加工除去所获得的模制产品的外周部分。 将上述用于模压的玻璃材料用作玻璃材料。 为了提供一种装置，其中光学元件在加压成型玻璃制品的加压成形之后的处理过程中通过接触而不会在光学功能表面上产生刮痕，尽管由具有高磨损性的玻璃材料组成， 最终获得的光学元件的功能不受影响。

公开(公告)号：US20120151964A1

公开(公告)日：2012-06-21

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： C03B32/00 ,  C03B11/00

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 and 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： 提供一种具有高透射率的精密压模制品的制造方法和玻璃的处理方法以使玻璃着色或脱色，该方法包括热处理含有选自WO 3中的至少一种的加压成型制品 ，Nb 2 O 5或TiO 2在氧化气氛中制造玻璃成形体，所述方法包括在氧化气氛中对含有至少一种WO 3和Nb 2 O 5的氧化物的着色玻璃进行热处理，以使所述玻璃脱色或热处理含有 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：US20120134027A1

公开(公告)日：2012-05-31

申请号：US13320466

申请日：2010-05-14

申请人： Xuelu Zou ,  Hiroshi Kouno ,  Kouichiroh Shiraishi

发明人： Xuelu Zou ,  Hiroshi Kouno ,  Kouichiroh Shiraishi

IPC分类号： G02B1/11 ,  C03B11/00 ,  C03B40/00 ,  B32B17/00

CPC分类号： G02B1/113 ,  C03B11/08 ,  C03B40/02 ,  C03B2215/24 ,  C03C3/068 ,  C03C3/21 ,  C03C17/02 ,  C03C2217/213 ,  G02B1/10 ,  G02B1/11 ,  Y10T428/24521 ,  Y10T428/265

摘要： Disclosed is a glass material for press forming providing an optical element having a sufficient optical performance without surface cracks, cloudiness, scratches, and the like even when the glass material contains a highly reactive component. Also disclosed are an optical element having a sufficient optical performance without surface cracks, cloudiness, scratches, and the like and a method for manufacturing the same. Specifically disclosed is a glass material for press forming which comprises a core portion composed of multicomponent optical glass and a surface glass layer covering at least a region serving as an optical functional surface of the core portion. The surface glass layer contains more than 90 mass % of SiO2, and the thickness of the layer is less than five nanometers. Also specifically disclosed is a method for manufacturing a glass optical element by heating the glass material and by press forming the softened glass material using a forming die. Yet also specifically disclosed is a press formed glass optical element having a core portion composed of multicomponent optical glass and a surface glass layer covering at least an optical functional surface of the core portion. The surface glass layer contains more than 90 mass % of SiO2, and the thickness of the layer is less than five nanometers.

摘要翻译： 公开了一种用于压制成形的玻璃材料，即使当玻璃材料含有高反应性组分时，也提供具有足够光学性能的光学元件，而没有表面裂纹，浑浊，划痕等。 还公开了具有足够的光学性能而没有表面裂纹，浑浊，划痕等的光学元件及其制造方法。 具体公开了一种用于压制成形的玻璃材料，其包括由多组分光学玻璃构成的芯部和至少覆盖用作芯部的光学功能表面的区域的表面玻璃层。 表面玻璃层含有超过90质量％的SiO 2，层的厚度小于5纳米。 还具体公开了一种通过加热玻璃材料并通过使用成形模冲压成形软化玻璃材料来制造玻璃光学元件的方法。 还具体公开了一种压制成型玻璃光学元件，其具有由多组分光学玻璃构成的芯部和至少覆盖芯部的光学功能表面的表面玻璃层。 表面玻璃层含有超过90质量％的SiO 2，层的厚度小于5纳米。

公开(公告)号：US08158541B2

公开(公告)日：2012-04-17

申请号：US11516670

申请日：2006-09-07

申请人： Mikio Ikenishi ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Xuelu Zou

IPC分类号： C03C3/23 ,  C03C3/247 ,  C03C3/17

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℃。