公开(公告)号：US07462411B2

公开(公告)日：2008-12-09

申请号：US10511746

申请日：2003-06-02

申请人： Mikio Ikenishi ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Xuelu Zou

IPC分类号： B32B17/10 ,  G11B5/706 ,  C03C3/091

CPC分类号： G11B5/7315 ,  C03C3/087 ,  G11B5/8404 ,  Y10T428/31

摘要： A substrate for an information recording medium, which substrate is made of a highly heat-resistant and low-alkali-elution glass and is suitable as a substrate for forming a perpendicular-magnetic-recording-mode layers thereon at a high temperature with a sputtering machine, the substrate being made of an alkali-metal-oxide-containing glass having a glass transition temperature (Tg) of 620° C. or higher and satisfying a requirement that the alkali ion elution amount per a unit area when the glass is immersed in water having a temperature of 80° C. for 24 hours is 0.2 μmol/cm2 or less, an information recording medium having an information recording layer formed on the substrate, and a process for producing the information recording medium.

摘要翻译： 用于信息记录介质的衬底，该衬底由高耐热和低碱洗脱玻璃制成，并且适合作为用于在高温下用溅射形成垂直磁记录模式层的衬底 机器，基板由玻璃化转变温度（Tg）为620℃以上的含碱金属氧化物的玻璃制成，满足当玻璃浸渍时每单位面积的碱金属离子溶出量的要求 在温度为80℃，24小时的水中为0.2mumol / cm 2以下，具有在基板上形成的信息记录层的信息记录介质，以及信息记录介质的制造工序。

公开(公告)号：US20080084613A1

公开(公告)日：2008-04-10

申请号：US11902957

申请日：2007-09-26

申请人： Xuelu Zou

发明人： Xuelu Zou

IPC分类号： G02B1/00 ,  C03B11/08 ,  G02B3/00

CPC分类号： C03C3/247 ,  C03B2215/49 ,  G02B3/00 ,  Y02P40/57

摘要： A lens formed of a fluorophosphate glass, which has an optical-function surface and has a positioning reference surface for positioning and fixing the lens in the fixing tool (and also for determining the direction in the direction of the optical axis), so that the above optical-function surface is not damaged, both the optical-function surface and the positioning reference surface being transfer surfaces formed by the transfer of form of a molding surface of a mold according to precision press-molding.

摘要翻译： 由氟磷酸盐玻璃形成的透镜，其具有光学功能表面并且具有用于将透镜定位和固定在定影工具中的定位参考表面（并且还用于确定沿光轴方向的方向），使得 上述光学功能面不受损伤，光学功能面和定位基准面是通过精密加压成型将模具成形面的形状转印而形成的转印面。

公开(公告)号：US20060216552A1

公开(公告)日：2006-09-28

申请号：US10532863

申请日：2003-10-28

申请人： Mikio Ikenishi ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Xuelu Zou

IPC分类号： G11B5/706 ,  C03C3/087

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.

公开(公告)号：US20050202952A1

公开(公告)日：2005-09-15

申请号：US11077360

申请日：2005-03-11

申请人： Yasuhiro Fujiwara ,  Xuelu Zou

发明人： Yasuhiro Fujiwara ,  Xuelu Zou

IPC分类号： G02B1/00 ,  C03B11/00 ,  C03B19/02 ,  C03B23/00 ,  C03C3/04 ,  C03C3/064 ,  C03C3/066 ,  C03C3/097

CPC分类号： C03C3/064 ,  C03C3/066

摘要： Provided are optical glasses having a phosphate-containing composition that can materialize highly useful optical properties including high-refractivity and high-dispersion properties; an optical glass comprising P2O5, SiO2 and Li2O as essential components, comprising Na2O and K2O as optional components, having an Li2O/(Li2O+Na2O+K2O) molar ratio of from 1/3 to 1 and having an Abbe's number (νd) of 30 or less, and an optical glass comprising P2O5, SiO2 and Li2O as essential components, having the property of transmittance that when light is caused to vertically enter one of two plane and mutually parallel optically polished surfaces of a sample of the glass having a thickness of 10.0±0.1 mm and caused to exit from the other surface, the wavelength at which the transmittance represented by the ratio of transmitted light intensity to incidence light intensity (transmitted light intensity/incidence light intensity) comes to be 70% is 510 nm or less, having a refractive index (νd) of 1.80 or more and an Abbe's number (νd) of 30 or less and having a liquidus temperature of less than 1,000° C.

摘要翻译： 本发明提供具有能够实现高折射率和高分散性的高有用光学性能的含磷酸盐组合物的光学玻璃; 包含P 2 O 5，SiO 2和Li 2 O作为必要组分的光学玻璃，其包含Na 2 O 3， 作为任选的组分，具有Li 2 O 2（Li 2 O + Na 2 O）和K 2 O 2 （Nud）为30以下的光学玻璃，包含P _{2 5，SiO 2和Li 2 O作为必要成分，具有当发生光时具有透射性的特性 垂直进入厚度为10.0±0.1mm的玻璃样品的两个平面和相互平行的光学抛光表面中的一个，并使其从另一个表面离开，透射率由透射光强度比 入射光强度（透射光强度/入射光强度）达到70％为510nm以下，折射率（nud）为1.80以上，阿贝数 （nud）为30以下，液相线温度小于1000℃}

公开(公告)号：US20050117438A1

公开(公告)日：2005-06-02

申请号：US10511746

申请日：2003-06-02

申请人： Mikio Ikenishi ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Xuelu Zou

IPC分类号： C03C3/087 ,  G11B5/73 ,  G11B5/84 ,  G11C8/02

CPC分类号： G11B5/7315 ,  C03C3/087 ,  G11B5/8404 ,  Y10T428/31

摘要： A substrate for an information recording medium, which substrate is made of a highly heat-resistant and low-alkali-elution glass and is suitable as a substrate for forming a perpendicular-magnetic-recording-mode layers thereon at a high temperature with a sputtering machine, the substrate being made of an alkali-metal-oxide-containing glass having a glass transition temperature (Tg) of 620° C. or higher and satisfying a requirement that the alkali ion elution amount per a unit area when the glass is immersed in water having a temperature of 80° C. for 24 hours is 0.2 μmol/cm2 or less, an information recording medium having an information recording layer formed on the substrate, and a process for producing the information recording medium.

摘要翻译： 用于信息记录介质的衬底，该衬底由高耐热和低碱洗脱玻璃制成，并且适合作为用于在高温下用溅射形成垂直磁记录模式层的衬底 机器，基板由玻璃化转变温度（Tg）为620℃以上的含碱金属氧化物的玻璃制成，满足当玻璃浸渍时每单位面积的碱金属离子溶出量的要求 在温度为80℃，24小时的水中为0.2mumol / cm 2以下，具有在基板上形成的信息记录层的信息记录介质，以及用于生成信息的处理 记录介质。

公开(公告)号：US20050079391A1

公开(公告)日：2005-04-14

申请号：US10437430

申请日：2003-05-14

申请人： Mikio Ikenishi ,  Xuelu Zou ,  Kenji Yamanaka ,  Junichi Horikawa

发明人： Mikio Ikenishi ,  Xuelu Zou ,  Kenji Yamanaka ,  Junichi Horikawa

IPC分类号： C03C3/062 ,  C03C3/083 ,  C03C3/091 ,  C03C3/093 ,  C03C3/095 ,  C03C3/097 ,  C03C10/04 ,  G11B5/73 ,  G11B5/84 ,  B23K11/24

CPC分类号： C03C3/083 ,  G11B5/7315 ,  G11B5/8404

摘要： A substrate for an information recording medium, which is made of a glass or crystallized glass, (1) which has a region that has a spectral light transmittance of 50% or less converted in terms of a thickness of 2 mm in a wavelength range of 2,750 nm to 3,700 nm, (2) which shows a spectral light transmittance of 70% or less converted in terms of a thickness of 2 mm over whole wavelength range of 2,750 nm to 3,700 nm, (3) which contains an infrared absorbent that is a specific metal oxide and is for use in a perpendicular magnetic recording medium, (4) which is to be heated by irradiation with infrared ray and contains more than 200 ppm of water, or (5) which contains an infrared absorbent that is a specific metal oxide and is used as a substrate to support a multi-layered film including an information recording layer to be formed by sputtering after heating by irradiation with infrared ray, an information recording medium comprising a multi-layered film including an information recording layer formed on any one of the above substrates, and a process for producing an information recording medium.

摘要翻译： 1.一种用玻璃或微晶玻璃制成的信息记录介质用基板，其特征在于，具有在波长范围为2mm的光谱透射率为50％以下的区域 2,750nm至3,700nm的光谱透射率（2），（2）表示在2,750nm至3,700nm的整个波长范围内以2mm的厚度转换70％或更小的光谱透光率，（3）包含红外吸收剂 特定的金属氧化物，用于垂直磁记录介质中，（4）将通过红外线照射加热并含有200ppm以上的水，或（5）其中含有特定的红外线吸收剂 金属氧化物，并且用作基板以支持包含通过用红外线照射加热后通过溅射形成的信息记录层的多层膜，信息记录介质包括包含信息记录的多层膜 形成在上述基板上的任何一个上，以及一种信息记录介质的制造方法。

公开(公告)号：US06599606B1

公开(公告)日：2003-07-29

申请号：US09612629

申请日：2000-07-07

申请人： Xuelu Zou

发明人： Xuelu Zou

IPC分类号： G11B582

CPC分类号： C03B32/02 ,  C03C10/0045 ,  G11B5/8404 ,  Y10S428/90 ,  Y10T428/24355

摘要： Disclosed is a process for preparation of crystallized glass obtained by making a glass containing TiO2 subjected to a phase separation step and a crystallization step, where the phase separation step has heat treatment of the glass at a temperature in a range from a temperature of the glass transition temperature Tg (Tg−30° C.) to a temperature 60° C. higher than the glass transition temperature Tg (Tg+60° C.). There are also disclosed a crystallized glass for information recording disk composed of the crystallized glass obtained by the preparation process, where a mean particle size of the crystal particles is in a range of equal to or less than 100 nm, or where a transparency at a wavelength of 600 nm is 40% or higher; and an information recording disk, composed of the glass, having a polished surface with a surface roughness Ra (JIS B0601) in a range from 0.1 to 0.5 nm.

摘要翻译： 公开了一种制备结晶玻璃的方法，所述结晶玻璃通过制备经过相分离步骤和结晶步骤的含有TiO 2的玻璃而获得，其中相分离步骤在玻璃的温度范围内的温度下对玻璃进行热处理， 转变温度Tg（Tg-30℃）至比玻璃化转变温度Tg（Tg + 60℃）高60℃的温度。 还公开了一种用于信息记录盘的结晶玻璃，其由通过制备方法获得的结晶玻璃构成，其中晶体颗粒的平均粒度在等于或小于100nm的范围内，或者其中透明度为 600nm的波长为40％以上; 以及由具有表面粗糙度Ra（JIS B0601）的抛光面在0.1〜0.5nm范围内的玻璃构成的信息记录盘。

公开(公告)号：US06214429B1

公开(公告)日：2001-04-10

申请号：US09222869

申请日：1998-12-30

申请人： Xuelu Zou ,  Hisayoshi Toratani

发明人： Xuelu Zou ,  Hisayoshi Toratani

IPC分类号： B32B302

CPC分类号： G11B5/7315 ,  C03C3/062 ,  C03C3/083 ,  C03C3/087 ,  C03C3/095 ,  G11B5/7325 ,  Y10S428/913 ,  Y10T428/21

摘要： Disclosed is disc substrate consisting of SiO2—Al2O3—RO (RO=divalent metal) glasses having high specific elastic modulus of 36×106 Nm/kg or more or high Young's modulus of 110 GPa or more, high transition temperature of 700° C. or higher (high heat resistance), excellent surface smoothness (surface roughness Ra

摘要翻译： 公开了具有高比弹性模量为36×10 6 Nm / kg以上或更高的杨氏模量为110GPa以上，高转变温度为700℃以上的SiO 2 -Al 2 O 3 -RO（RO =二价金属） （高耐热性），优异的表面平滑度（表面粗糙度Ra <5）和高强度。 具有高比弹性模量或高杨氏模量和高强度的基材能够实现更薄的磁盘并防止磁盘的破坏。 由于由玻璃构成的玻璃基板具有优异的耐热性和平坦性，所以可以对基板进行热处理，以提高磁性层特性，并实现较小的磁头飞行高度，即较高的记录密度。

公开(公告)号：US08826695B2

公开(公告)日：2014-09-09

申请号：US12295611

申请日：2007-03-28

申请人： Xuelu Zou ,  Yasuhiro Fujiwara

发明人： Xuelu Zou ,  Yasuhiro Fujiwara

IPC分类号： C03B11/00 ,  C03C17/34 ,  C03B25/02 ,  C03C3/068 ,  C03C3/155

CPC分类号： C03C17/3441 ,  C03B25/02 ,  C03C3/068 ,  C03C3/155 ,  C03C2218/154 ,  C03C2218/33 ,  C03C2218/355 ,  Y02P40/57

摘要： A method for manufacturing an optical glass element, comprising: annealing a press-molded product obtained by press molding into a lens shape a glass material comprised of a core portion comprised of an optical glass (first glass) with a transition temperature of 550° C. or higher and a covering portion comprised of a second glass covering the surface of said core portion; and then removing the covering layer from the surface of the press-molded product to obtain an optical glass element. To provide a method for manufacturing high-optical-performance mold-pressed lenses in which the defective external appearance of optical elements comprised of high-temperature glass materials with a Tg of 550° C. or higher is prevented.

摘要翻译： 一种光学玻璃元件的制造方法，其特征在于，包括：将通过冲压成型获得的加压成型品退火成透镜形状的玻璃材料，该玻璃材料由包含550℃的转变温度的光学玻璃（第一玻璃）构成的芯部 覆盖部分由覆盖所述芯部的表面的第二玻璃构成; 然后从压制成型品的表面除去覆盖层，得到光学玻璃元件。 提供一种制造高光学性能的模压透镜的方法，其中防止由Tg为550℃以上的高温玻璃材料构成的光学元件的外观不良。

公开(公告)号：US08697592B2

公开(公告)日：2014-04-15

申请号：US13490511

申请日：2012-06-07

申请人： Mikio Ikenishi ,  Atsuko Morita ,  Xuelu Zou

发明人： Mikio Ikenishi ,  Atsuko Morita ,  Xuelu Zou

IPC分类号： C03C3/085 ,  C03C3/091 ,  G11B7/241

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.

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12μm-1/2或更小，或具有 在露点为-5℃以下的气氛中测定的7μm-1/2以下的脆性指数值，或摩尔％为40〜75％的SiO 2的玻璃基板，2〜 45％的B 2 O 3和/或Al 2 O 3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，B 2 O 3，Al 2 O 3和 R'2O为90摩尔％以上，磁性信息记录媒体包含形成在玻璃基板上的磁记录层。