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公开(公告)号：US07989377B2
公开(公告)日：2011-08-02
申请号：US11987805
申请日：2007-12-04
申请人： Youichi Hachitani
发明人： Youichi Hachitani
CPC分类号： C03C3/247
摘要： Provided is an optical glasses that has high refractivity and low dispersion and anomalous partial dispersion capability and that has excellent processability and devitrification resistance and ensures that the occurrence of striae can be inhibited, the optical glass including an optical glass having a refractive index (nd) of 1.54 to 1.60, an Abbe's number (vd) of 65 to 78, a partial dispersion ratio of 0.530 or more, a specific gravity of 4.0 or less and a viscosity, measured at its liquidus temperature, of 4 dPa·s or more and an optical glass comprising as cationic components, by cationic %, 20 to 50% of p5+, 0.1 to 20% of Al3+, 0.1 to 20% of Mg2+, 0 to 20% of Ca2+, 0 to 20% of Sr2+, 0.1 to 30% of Ba2+ and 0 to 10% of Y3+, and further comprising, as anionic components, F− and O2−, wherein the ratio of the content of Mg2+ to the content of Al3+, Mg2+/Al3+, based on cationic %, is 1.2 or less.
摘要翻译： 提供了具有高折射率和低分散性和异常部分分散能力并且具有优异的加工性和耐失透性并且确保可以抑制条纹发生的光学玻璃，包括具有折射率（nd）的光学玻璃的光学玻璃， 为1.54〜1.60，阿贝数（vd）为65〜78，部分分散比为0.530以上，比重为4.0以下，液相线温度下测定的粘度为4dPa·s以上， 包含阳离子成分的光学玻璃，p5 + 20〜50％，Al3 + 0.1〜20％，Mg2 + 0.1〜20％，Ca2 + 0〜20％，Sr2 + 0〜20％，0.1〜30 ％的Ba2 +和0〜10％的Y3 +，并且还包含作为阴离子成分的F-和O 2 - ，其中Mg 2+的含量与Al 3+，Mg 2+ / Al 3+的含量相对于阳离子％的比例为1.2 或更少。
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公开(公告)号：US20130034670A1
公开(公告)日：2013-02-07
申请号：US13636275
申请日：2011-03-18
CPC分类号： C03C3/095 , C03C21/002 , Y10T428/1045 , Y10T428/266
摘要： Disclosed are a thin-sheet cover glass that is high in quality and has high mechanical strength, and a display equipped with the aforementioned cover glass. The cover glass is used to cover the image display unit of a display and to make images displayed by the aforementioned image display unit opaque. The cover glass is formed from a glass that comprises, in an oxide base conversion indicated in mol %, 60 to 75% SiO2, 0 to 12% Al2O3 (provided that the total content of SiO2 and Al2O3 is 68% or more), 0 to 10% B2O3, 5 to 26% Li2O and Na2O in total, 0 to 8% K2O (provided that the total content of Li2O, Na2O, and K2O is 26% or less), 0 to 18% MgO, CaO, SrO, BaO in total, and ZnO, and 0 to 5% ZrO2, TiO2, and HfO2 in total, as well as a total of 0.1 to 3.5 mass % of an Sn oxide and a Ce oxide relative to the total mass, wherein (Sn oxide content/(Sn oxide content+Ce oxide content)) is 0.01 to 0.99, and the content of an Sb oxide is 0 to 0.1%; and has a plate thickness of no more than 1.0 mm.
摘要翻译： 公开了一种质量高，机械强度高的薄片覆盖玻璃，以及配备有上述玻璃罩的显示装置。 遮盖玻璃用于覆盖显示器的图像显示单元，并使由上述图像显示单元显示的图像不透明。 覆盖玻璃由玻璃形成，以摩尔％表示的氧化物基底转化率为60〜75％的SiO 2，0〜12％的Al 2 O 3（前提条件是SiO 2和Al 2 O 3的总含量为68％以上），0 至10％B 2 O 3，5〜26％Li 2 O和Na 2 O，0〜8％K 2 O（条件是Li 2 O，Na 2 O，K 2 O的总含量为26％以下），0〜18％的MgO，CaO，SrO， BaO，总共为0〜5％的ZrO 2，TiO 2，HfO 2，以及相对于总质量为0.1〜3.5质量％的Sn氧化物和Ce氧化物，其中（Sn氧化物 含量/（Sn氧化物含量+ Ce氧化物含量））为0.01〜0.99，Sb氧化物的含量为0〜0.1％。 并且具有不大于1.0mm的板厚度。
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公开(公告)号：US20070027017A1
公开(公告)日：2007-02-01
申请号：US11488892
申请日：2006-07-19
申请人： Youichi Hachitani
发明人： Youichi Hachitani
摘要： Provided are an optical glass having high-refractivity, low-dispersion and anomalous partial dispersion properties, having excellent processability, being excellent as an anomalous partial dispersion glass for suppressing chromatic aberration, containing P5+, Al3+ and alkaline earth metal ions selected from the group consisting of Mg2+, Ca2+, Sr2+ and Ba2+ as essential cationic components and F− and O2− as essential anionic components, wherein the ratio of content of Ba2+ to the total content R2+ of Mg2+, Ca2+, Sr2+ and Ba2+, Ba2+/R2+, is 0.01 or more but less than 0.5 on the basis of cationic %, and having an Abbe's number (νd) of 68 or more, optical glass having an Abbe's number (νd) of 68 or more, a partial dispersion ratio of 0.535 or more and a frictional abrasion of 500 or less and an optical glass which is to be polished in a polishing step for producing an optical element and which is a fluorophosphate glass having a frictional abrasion of 500 or less.
摘要翻译： 提供具有高折射率，低分散性和异常分散性的光学玻璃，具有优异的加工性，作为用于抑制色差的异常部分分散玻璃优异，含有P 5+， SO 3+和选自Mg 2+，Ca 2+，Sr 2+ +，SO 2 +的碱土金属离子 >和作为必需的阳离子组分的Ba 2+ +和作为必需的阴离子组分的F 2 O 2和O 2 - ，其中Ba < SUP> 2 + 与Mg 2+，Ca 2+，Sr 2+的总含量R 2+ + + +和/或+ 2 + +，+ 2 + + 2 + + + + + + + + + + 的阳离子％，并且阿贝数（nud）为68以上的阿贝数（nud）为68以上，部分分散比为0.535以上，摩擦磨损为500以下的光学玻璃和光学 玻璃哪个 在用于制造光学元件的抛光步骤中进行抛光，其是摩擦磨损为500以下的氟磷酸盐玻璃。
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公开(公告)号：US20050148454A1
公开(公告)日：2005-07-07
申请号：US10927084
申请日：2004-08-27
申请人： Youichi Hachitani
发明人： Youichi Hachitani
摘要： Glass suited to use in sharpcut filters cutting ultraviolet radiation, and sharpcut filters. The sharpcut filter glass comprises, given as weight percentages: SiO2 50 to 70%, Al2O3 0 to 5%, Li2O 0 to 10%, Na2O 0 to20 %, K2O 0 to 20%, where Li2O+Na2O+K2O comprises 10 to 30%, ZnO 8 to 20%, CeO2 1 to 5 %. The glass essentially does not comprise Pb, As, and Ti. The sharpcut filter exhibits, according to JIS B7113, the transmission threshold wavelength falling within a range of from 365 to 385 nm and the wavelength inclination range being less than or equal to 35 nm.
摘要翻译： 玻璃适用于切割紫外线的尖锐过滤器，以及锋利的过滤器。 锐化过滤玻璃的重量百分比为：SiO 2 50〜70％，Al 2 O 3 0〜5％，Li， O 2〜0％，Na 2 O 0〜20％，K 2 O 0〜20％，其中Li 2 < O + Na 2 O + K 2 O包含10〜30％，ZnO 8〜20％，CeO 2〜1％〜5％ 。 玻璃基本上不包含Pb，As和Ti。 根据JIS B7113，锐化滤波器的透射阈值波长在365〜385nm的范围内，波长倾斜范围小于或等于35nm。
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5.发明申请MANUFACTURING METHOD OF GLASS BLANK FOR MAGNETIC RECORDING GLASS SUBSTRATE, MANUFACTURING METHOD OF MAGNETIC RECORDING GLASS SUBSTRATE AND MANUFACTURING METHOD OF MAGNETIC RECORDING MEDIUM 审中-公开用于磁记录玻璃基板的玻璃隔板的制造方法，磁记录玻璃基板的制造方法和磁记录介质的制造方法公开(公告)号：US20110277508A1
公开(公告)日：2011-11-17
申请号：US13070509
申请日：2011-03-24
申请人： Makoto OSAWA , Akira MURAKAMI , Nobuhiro SUGIYAMA , Takashi SATOU , Naomi MATSUMOTO , Youichi HACHITANI , Kinobu OSAKABE , Hideki ISONO , Hidekazu TANINO , Takao MOTOHASHI
发明人： Makoto OSAWA , Akira MURAKAMI , Nobuhiro SUGIYAMA , Takashi SATOU , Naomi MATSUMOTO , Youichi HACHITANI , Kinobu OSAKABE , Hideki ISONO , Hidekazu TANINO , Takao MOTOHASHI
CPC分类号： G11B5/8404 , C03B7/10 , C03B11/088 , C03B2215/11 , C03B2215/12 , C03B2215/70 , C03C3/087 , C03C3/093 , C03C3/095 , C03C3/097 , G11B5/7315 , Y02P40/57
摘要： Provided is a method of manufacturing a glass blank for a magnetic recording medium glass substrate, including: manufacturing a glass blank by at least press molding a falling molten glass gob with a pair of press molds both so as to face each other in a direction perpendicular to a direction in which the molten glass gob falls, in which: the molten glass gob is formed of a glass material having a glass transition temperature of 600° C. or more; and when the press molding is carried out so that the molten glass gob is completely extended by pressure and molded into a flat glass between press-molding surfaces of the pair of press molds, at least a region in contact with the flat glass in each of the press-molding surfaces of the pair of press molds forms a substantially flat surface. Also provided are a method of manufacturing a magnetic recording medium glass substrate and a method of manufacturing a magnetic recording medium each using the method of manufacturing a glass blank for a magnetic recording medium glass substrate.
摘要翻译： 提供一种制造用于磁记录介质玻璃基板的玻璃坯料的方法，包括：通过至少用一对压模模压落下的熔融玻璃料块来制造玻璃坯料，以便在垂直方向上彼此面对 在熔融玻璃料滴落的方向上，熔融玻璃料滴由玻璃化转变温度为600℃以上的玻璃材料形成， 并且当进行压制成型以使熔融玻璃料滴完全被压力延伸并且在一对压模的压制成型表面之间模制成平板玻璃时，至少在平板玻璃中与平板玻璃接触的区域 一对压模的加压成形面形成大致平坦的表面。 还提供了使用制造用于磁记录介质玻璃基板的玻璃坯料的方法来制造磁记录介质玻璃基板的方法和制造磁记录介质的方法。
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公开(公告)号：US20080132400A1
公开(公告)日：2008-06-05
申请号：US11987805
申请日：2007-12-04
申请人： Youichi Hachitani
发明人： Youichi Hachitani
IPC分类号： C03C3/247
CPC分类号： C03C3/247
摘要： Provided is an optical glasses that has high refractivity and low dispersion and anomalous partial dispersion capability and that has excellent processability and devitrification resistance and ensures that the occurrence of striae can be inhibited, the optical glass including an optical glass having a refractive index (nd) of 1.54 to 1.60, an Abbe's number (vd) of 65 to 78, a partial dispersion ratio of 0.530 or more, a specific gravity of 4.0 or less and a viscosity, measured at its liquidus temperature, of 4 dPa·s or more and an optical glass comprising as cationic components, by cationic %, 20 to 50% of p5+, 0.1 to 20% of Al3+, 0.1 to 20% of Mg2+, 0 to 20% of Ca2+, 0 to 20% of Sr2+, 0.1 to 30% of Ba2+ and 0 to 10% of y3+, and further comprising, as anionic components, F− and O2−, wherein the ratio of the content of Mg2+ to the content of Al3+, Mg2+/Al3+, based on cationic %, is 1.2 or less.
摘要翻译： 提供了具有高折射率和低分散性和异常部分分散能力并且具有优异的加工性和耐失透性并且确保可以抑制条纹发生的光学玻璃，包括具有折射率（nd）的光学玻璃的光学玻璃， 为1.54〜1.60，阿贝数（vd）为65〜78，部分分散比为0.530以上，比重为4.0以下，液相线温度下测定的粘度为4dPa.s以上， 包含阳离子成分的光学玻璃，阳离子％，20〜50％的p + 5 +，0.1〜20％的Al 3+，0.1〜20％的Mg 0〜20％的Ca 2+，0〜20％的Sr 2+，0.1〜30％的BaO 2 > 2 + 和0〜10％的y 3+，并且还包含作为阴离子组分的F 0 - 和O 2 - SUP>，其中Mg 2+ +的含量与Al 3+，Mg 2+ / Al 2+的含量的比例， 基于阳离子％的SUP> 3 +是1.2以下。
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公开(公告)号：US07192897B2
公开(公告)日：2007-03-20
申请号：US10612145
申请日：2003-07-03
申请人： Rie Yamane , Youichi Hachitani , Xuelu Zou
发明人： Rie Yamane , Youichi Hachitani , Xuelu Zou
摘要： Provided are near-infrared light-absorbing glass in which good color compensating characteristics are maintained even without containing harmful arsenic, permitting the thinning of the glass, and having good weatherability and forming properties; a near-infrared light-absorbing element comprised of such glass; a near-infrared light-absorbing filter employing such glass. Also provided, at low cost, are near-infrared light-absorbing glass permitting good color compensating, a near-infrared light-absorbing element comprised of such glass, and a near-infrared light-absorbing filter comprising such elements. The glass comprises cationic components with a certain composition as well as F− and O2− as anionic components. Alternatively, the glass is near-infrared light-absorbing glass, wherein the glass exhibits properties, based on a thickness of 0.5 mm, in the spectral transmittance of wavelengths of 400 to 700 nm, that wavelength, at which a 50 percent transmittance is exhibited, is less than 630 nm, transmittance at a wavelength longer than said wavelength is less than 50 percent, transmittance at a wavelength shorter than said wavelength is higher than 50 percent and the viscosity at a liquid phase temperature is 0.5 Pa·s or more. The near-infrared light-absorbing element is comprised of such glass. The near-infrared light-absorbing filter comprises a glass plate comprised of such glass. Alternatively, the glass is comprised of fluorophosphate glass or phosphate glass, and comprises 0.1 weight percent or more of copper based on CuO, 0.005 to 0.5 weight percent of iron based on Fe2O3, 0.01 to 1 weight percent of antimony based on Sb2O3, and no arsenic.
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