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1. 发明授权

US09868661B2 Glass lens blank for polishing, manufacturing method therefore, and optical lens manufacturing method 有权
公开(公告)号：US09868661B2
公开(公告)日：2018-01-16
申请号：US14768161
申请日：2014-02-25
申请人： Mikio Ikenishi , Akihiro Shoji , Yoshitake Tanno , Isao Tanaka
发明人： Mikio Ikenishi , Akihiro Shoji , Yoshitake Tanno , Isao Tanaka
IPC分类号： C03B11/08 , B24B13/00 , C03B19/02
CPC分类号： C03B11/08 , B24B13/00 , B24B13/0037 , C03B19/02 , C03B2215/03 , C03B2215/46 , C03B2215/47 , C03B2215/61 , C03B2215/68 , C03B2215/72 , Y02P40/57
摘要： A glass lens blank for polishing in which a thickness of a defect-containing layer is suppressed to a minimum and thus it is possible to shorten the processing time required for grinding and polishing the glass lens blank for polishing after press-molding, a method of manufacturing the same, and a method of manufacturing an optical lens. A glass lens blank for polishing of which at least a main surface is a press-molding surface, wherein a defect-containing layer formed on the main surface has a thickness of 50 μm or less.

2. 发明授权

US08697592B2 Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is applied 有权
标题翻译：用于信息记录介质的玻璃基板和应用玻璃基板的磁信息记录介质
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。

3. 发明授权

US08642490B2 Fluorophosphate glass, precision press molding preform, optical element blank, optical element and method of manufacturing the same 有权
标题翻译：氟磷酸盐玻璃，精密压模成型预制件，光学元件坯料，光学元件及其制造方法
公开(公告)号：US08642490B2
公开(公告)日：2014-02-04
申请号：US12412716
申请日：2009-03-27
申请人： Mikio Ikenishi
发明人： Mikio Ikenishi
IPC分类号： C03C3/247 , C03C3/16 , C03C3/17
CPC分类号： C03C3/247 , C03C4/082
摘要： The present invention provides a fluorophosphate glass containing more than 3 cationic % and 30 cationic % or less of a phosphorus ingredient in terms of P5+, the glass having a ratio I(1)/I(0) of equal to or less than 0.08 in which I(0) is a strength of a resonance peak generated near a reference frequency of 31P in a nuclear magnetic resonance spectrum and I(1) is a strength of a first-order side band peak of the resonance peak. The glass of the invention is reduced in volatility and erosiveness.
摘要翻译：本发明提供一种氟化磷酸盐玻璃，其中含有多于3个阳离子％和30个阳离子％以下的磷成分按P5 +计算，所述玻璃的比例I（1）/ I（0）等于或小于0.08，其中I（0）是在核磁共振谱中在31P的参考频率附近产生的共振峰的强度，I（1）是共振峰的一阶侧谱峰的强度。本发明的玻璃的挥发性和侵蚀性降低。

4. 发明授权

US08637415B2 Fluorophosphate glass, precision press molding preform, optical element blank, optical element and methods of manufacturing the same 有权
标题翻译：氟磷酸盐玻璃，精密压制成型预成型件，光学元件坯料，光学元件及其制造方法
公开(公告)号：US08637415B2
公开(公告)日：2014-01-28
申请号：US12412807
申请日：2009-03-27
申请人： Mikio Ikenishi
发明人： Mikio Ikenishi
IPC分类号： C03C3/247 , C03C3/16 , C03C3/17
CPC分类号： C03C3/247
摘要： The present invention provides a fluorophosphate glass containing 30 to 50 cationic % of a phosphorus ingredient in terms of P5+, the glass having, in a nuclear magnetic resonance spectrum, a resonance spectrum which is generated near a reference frequency of 31P and has a shape of Gaussian function. The glass of the invention is reduced in volatility and erosiveness.
摘要翻译：本发明提供一种氟磷酸盐玻璃，含有以P5 +计含有30〜50个阳离子％磷成分的氟磷酸盐玻璃，所述玻璃在核磁共振谱中具有在31P的参考频率附近产生的共振谱，高斯函数。本发明的玻璃的挥发性和侵蚀性降低。

5. 发明申请

US20130040169A1 GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND MAGNETIC INFORMATION RECORDING MEDIUM TO WHICH THE GLASS SUBSTRATE IS APPLIED 有权
标题翻译：用于记录玻璃基板的信息记录介质和磁信息记录介质的玻璃基板
公开(公告)号：US20130040169A1
公开(公告)日：2013-02-14
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： C03C3/00 , C03C3/083 , C03C3/085 , G11B5/73 , C03C3/091 , C03C3/062 , C03C3/064 , C03C3/089 , C03C3/087
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。

6. 发明授权

US07601446B2 Substrate for information recording medium, information recording medium and method for manufacturing same 有权
标题翻译：信息记录介质用基板，信息记录介质及其制造方法
公开(公告)号：US07601446B2
公开(公告)日：2009-10-13
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： G11B5/65 , C03C3/17 , C03C3/21 , C03C19/00
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。

7. 发明申请

US20090247387A1 FLUOROPHOSPHATE GLASS, PRECISION PRESS MOLDING PREFORM, OPTICAL ELEMENT BLANK, OPTICAL ELEMENT AND METHODS OF MANUFACTURING THE SAME 有权
标题翻译：氟磷酸盐玻璃，精密压模成型，光学元件空白，光学元件及其制造方法
公开(公告)号：US20090247387A1
公开(公告)日：2009-10-01
申请号：US12412807
申请日：2009-03-27
申请人： Mikio IKENISHI
发明人： Mikio IKENISHI
IPC分类号： C03C3/247 , G02B1/00 , B29D11/00
CPC分类号： C03C3/247
摘要： The present invention provides a fluorophosphate glass containing 30 to 50 cationic % of a phosphorus ingredient in terms of P5+, the glass having, in a nuclear magnetic resonance spectrum, a resonance spectrum which is generated near a reference frequency of 31P and has a shape of Gaussian function. The glass of the invention is reduced in volatility and erosiveness.
摘要翻译：本发明提供一种氟磷酸盐玻璃，含有以P5 +计含有30〜50个阳离子％磷成分的氟磷酸盐玻璃，所述玻璃在核磁共振谱中具有在31P的参考频率附近产生的共振谱，高斯函数。本发明的玻璃的挥发性和侵蚀性降低。

8. 发明申请

US20060223689A1 Optical glass, press-molding preform, process for the production thereof, optical element and process for the production thereof 有权
标题翻译：光学玻璃，压制成型预成型件，其制造方法，光学元件及其制造方法
公开(公告)号：US20060223689A1
公开(公告)日：2006-10-05
申请号：US11389532
申请日：2006-03-27
申请人： Mikio Ikenishi , Xuelu Zou
发明人： Mikio Ikenishi , Xuelu Zou
IPC分类号： C03B11/00 , C03B23/00 , C03B17/00 , C03B21/00 , C03C3/16
CPC分类号： C03C3/17 , C03C3/247
摘要： A low-dispersion optical glass suitable for producing a quality preform from a molten glass and suitable for precision press-molding, which is a fluorophosphate glass containing, as essential cationic components, P5+, Al3+, at least two members selected from Mg2+, Ca2+, Sr2+ and Ba2+ as divalent cationic components (R2+) and Li+ and containing, by cationic %, 10 to 45% of P5+, 5 to 30% of Al3+, 0 to 20% of Mg2+, 0 to 25% of Ca2+, 0 to 30% of Sr2+, 0 to 33% of Ba2+, 1 to 30% of Li+, 0 to 10% of Na+, 0 to 10% of K+, 0 to 5% of Y3+, and 0 to 15% of B3+, the molar ratio of the content of F− to the total content of F− and O2−, F−/(F−+O2−) being 0.25 to 0.85, the optical glass having a refractive index (Nd) of 1.40 to 1.58 and an Abbe's number (νd) of 67 to 90.
摘要翻译：一种低分散度光学玻璃，适用于从熔融玻璃制造优质预成型件，适用于作为必需阳离子成分的氟磷酸盐玻璃作为必需阳离子成分的精密加压成型， > 3 + ，选自Mg 2+，Ca 2+，Sr 2+和BaO 2的至少两个成员 > 2 + 为二价阳离子成分（R 2+ +）和Li + +，阳离子％含有10〜45％的P 5 5％〜30％的Al 3+，0〜20％的Mg 2+，0〜25％的Ca 2+， 0〜30％的Sr 2+，0〜33％的Ba 2+，1〜30％的Li 2+，，0〜10％的Na +，0〜10％的K +，0〜5％的Y 3+，0〜 15％的B 3+ +，F 0的含量与F 0〜O 2的总含量的摩尔比光学玻璃的折射率为0.25〜0.85，光学玻璃具有折射率（折射率）（N N d） 1.40至1.58，阿贝数（nu> d ）为67至90。

9. 发明授权

US08883330B2 Glass for chemical strengthening, substrate for information recording media and information recording media 有权
标题翻译：用于化学强化的玻璃，用于信息记录介质的衬底和信息记录介质
公开(公告)号：US08883330B2
公开(公告)日：2014-11-11
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 , G11B5/73 , 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.
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。

10. 发明授权

US08652660B2 Glass substrate for magnetic recording medium and its use 有权
标题翻译：用于磁记录介质的玻璃基板及其用途
公开(公告)号：US08652660B2
公开(公告)日：2014-02-18
申请号：US13331667
申请日：2011-12-20
申请人： Hideki Isono , Kinobu Osakabe , Katsuyuki Iwata , Mikio Ikenishi , Naomi Matsumoto
发明人： Hideki Isono , Kinobu Osakabe , Katsuyuki Iwata , Mikio Ikenishi , Naomi Matsumoto
IPC分类号： C03C3/00 , G11B5/02 , G11B5/65
CPC分类号： G11B5/7315
摘要： An aspect of the present invention relates to a glass substrate for a magnetic recording medium, which is comprised of glass with a glass transition temperature of equal to or greater than 600° C., an average coefficient of linear expansion at 100 to 300° C. of equal to or greater than 70×10−7/° C., a Young's modulus of equal to or greater than 81 GPa, a specific modulus of elasticity of equal to or greater than 30 MNm/kg, and a fracture toughness value of equal to or greater than 0.9 MPa·m1/2.
摘要翻译：本发明的一个方面涉及一种用于磁记录介质的玻璃基板，其由玻璃化转变温度等于或大于600℃的玻璃组成，在100至300℃的平均线性膨胀系数，等于或大于70×10-7 /℃，杨氏模量等于或大于81GPa，比模弹性等于或大于30MNm / kg，断裂韧性值等于或大于0.9MPa·m1 / 2。

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