公开(公告)号：US20090075805A1

公开(公告)日：2009-03-19

申请号：US11887848

申请日：2006-04-05

申请人： Junji Kurachi ,  Koji Fujita ,  Haruki Niida ,  Akihiro Koyama

发明人： Junji Kurachi ,  Koji Fujita ,  Haruki Niida ,  Akihiro Koyama

IPC分类号： C03C3/118 ,  C03C3/091 ,  C03C3/087 ,  C03C3/11 ,  C03C3/112 ,  C03C3/085

CPC分类号： B01L3/5085 ,  B01L2200/12 ,  B01L2300/0819 ,  B01L2300/0822 ,  B01L2300/0829 ,  B01L2300/12 ,  B01L2300/168 ,  C03C3/083 ,  C03C4/0085 ,  G01N21/33

摘要： An ultraviolet ray transmitting glass composition including the following components, in terms of mass % or mass ppm: 60 to 79% SiO2; 0 to 1% B2O3; exceeded 0% but not more than 20% Al2O3; 0 to 10% Li2O; 5 to 20% Na2O; 0 to 15% K2O; 0 to 10% MgO; 0 to 10% CaO; 0 to 15% SrO; 0 to 2% refining agent; 2 to 20 ppm T-Fe2O3 (in which T-Fe2O3 denotes a total iron oxide content obtained by converting all of iron compounds into Fe2O3); and 0 to 200 ppm TiO2. The ultraviolet ray transmitting glass composition is suitable for a glass article, such as a bioanalytical device that is used for analysis using ultraviolet rays.

摘要翻译： 以质量％或质量ppm计的包含以下组分的紫外线透射玻璃组合物：60至79％SiO 2; 0〜1％B2O3; 超过0％但不大于20％的Al2O3; 0〜10％Li2O; 5〜20％Na2O; 0〜15％K2O; 0〜10％MgO; 0〜10％CaO; 0〜15％SrO; 0〜2％精制剂; 2〜20ppm T-Fe 2 O 3（其中T-Fe 2 O 3表示通过将所有铁化合物转化为Fe 2 O 3而获得的总氧化铁含量）; 和0〜200ppm的TiO 2。 紫外线透射玻璃组合物适用于玻璃制品，例如用于使用紫外线进行分析的生物分析装置。

公开(公告)号：US20050003136A1

公开(公告)日：2005-01-06

申请号：US10860713

申请日：2004-06-03

申请人： Junji Kurachi ,  Akihiro Koyama

发明人： Junji Kurachi ,  Akihiro Koyama

IPC分类号： C03C3/085 ,  B32B3/02

CPC分类号： C03C3/085

摘要： The present invention provides a glass composition that has excellent heat resistance and ion exchange ability and can be provided with high strength by a chemical strengthening treatment through an ion exchange. This glass composition includes, in terms of mass %: 59 to 68% of SiO2; 9.5 to 15% of Al2O3; 0 to 1% of Li2O; 3 to 18% of Na2O; 0 to 3.5% of K2O; 0 to 15% of MgO; 1 to 15% of CaO; 0 to 4.5% of SrO; 0 to 1% of BaO; 0 to 2% of TiO2; and 1 to 10% of ZrO2. The glass composition of the present invention is suitable for a glass substrate for magnetic recording media and also can be formed as a chemically strengthened glass article through an ion-exchange treatment.

摘要翻译： 本发明提供了具有优异的耐热性和离子交换能力的玻璃组合物，并且可以通过离子交换通过化学强化处理而具有高强度。 该玻璃组合物以质量％计含有：59〜68％的SiO 2; 9.5〜15％的Al2O3; 0〜1％的Li2O; 3〜18％的Na2O; 0〜3.5％K2O; 0〜15％的MgO; 1〜15％的CaO; 0〜4.5％的SrO; 0〜1％的BaO; 0〜2％的TiO2; 和1〜10％的ZrO 2。 本发明的玻璃组合物适用于磁记录介质用玻璃基板，也可以通过离子交换处理形成为化学强化玻璃制品。

公开(公告)号：US06399527B1

公开(公告)日：2002-06-04

申请号：US09401126

申请日：1999-09-22

申请人： Shoichi Kishimoto ,  Akihiro Koyama ,  Junji Kurachi ,  Nobuyuki Yamamoto

发明人： Shoichi Kishimoto ,  Akihiro Koyama ,  Junji Kurachi ,  Nobuyuki Yamamoto

IPC分类号： C03C3085

CPC分类号： C03C3/085 ,  C03C3/087

摘要： A glass composition having a high Young's modulus and a low density is disclosed which can be mass-produced by a continuous process and easily made to have high surface smoothness. Also disclosed are a substrate including the glass composition and reduced in bending and resonance even upon high-speed rotation, a recording medium usable at a lower flying height, and an information recording device having a higher recording capacity and a shorter access time. The glass composition includes, in terms of mol %, 40 to 55% silicon dioxide (SiO2), 0.5 to 6% aluminum oxide (Al2O3), 2 to 20% lithium oxide (Li2O), 0 to 10% sodium monoxide ((Na2O), 2 to 30% R2O (R2O=Li2O+Na2O), 5 to 25% magnesium oxide (MgO), 0 to 25% calcium oxide (CaO), 0 to 10% strontium oxide (SrO), 10 to 40% RO (RO=MgO+CaO+SrO), 0 to 10% titanium dioxide (TiO2), and 0 to 5% zirconium oxide (ZrO2).

摘要翻译： 公开了具有高杨氏模量和低密度的玻璃组合物，其可以通过连续工艺大量生产并且易于制成具有高表面平滑度。 还公开了包括玻璃组合物的基底，即使在高速旋转时减少弯曲和共振，可以在较低飞行高度下使用的记录介质，以及具有较高记录容量和较短访问时间的信息记录装置。 玻璃组合物以摩尔％计包含40至55％的二氧化硅（SiO 2），0.5至6％的氧化铝（Al 2 O 3），2至20％的氧化锂（Li 2 O），0至10％的一氧化钠（（Na 2 O） ），2〜30％的R2O（R2O = Li2O + Na2O），5〜25％的氧化镁（MgO），0〜25％的氧化钙（CaO），0〜10％的氧化锶（SrO），10〜40％的RO （RO = MgO + CaO + SrO），0〜10％的二氧化钛（TiO 2）和0〜5％的氧化锆（ZrO 2）。

公开(公告)号：US06376084B1

公开(公告)日：2002-04-23

申请号：US09513166

申请日：2000-02-25

申请人： Shoichi Kishimoto ,  Akihiro Koyama ,  Hiroyuki Tanaka

发明人： Shoichi Kishimoto ,  Akihiro Koyama ,  Hiroyuki Tanaka

IPC分类号： B32B1700

CPC分类号： G11B5/7315 ,  C03C3/062 ,  C03C3/083 ,  C03C10/0009 ,  C03C10/0036 ,  C03C23/007 ,  G11B5/8404

摘要： A glass-ceramics having a high elastic modulus, processes for producing the same, and an information recording medium substrate effectively inhibited from bending or vibrating are disclosed. The glass-ceramics has a major crystalline phase which has a Mohs' hardness of 6 or higher and is constituted of crystals containing manganese (Mn).

摘要翻译： 公开了具有高弹性模量的玻璃陶瓷，其制造方法和有效地抑制弯曲或振动的信息记录介质衬底。 玻璃陶瓷具有莫氏硬度为6以上的主晶相，由含有锰（Mn）的晶体构成。

公开(公告)号：US06306786B1

公开(公告)日：2001-10-23

申请号：US09293991

申请日：1999-04-19

申请人： Akihiro Koyama ,  Shoichi Kishimoto ,  Junji Kurachi ,  Nobuyuki Yamamoto

发明人： Akihiro Koyama ,  Shoichi Kishimoto ,  Junji Kurachi ,  Nobuyuki Yamamoto

IPC分类号： C03C3062

CPC分类号： C03C3/062 ,  C03C3/085 ,  C03C3/087 ,  C03C21/002 ,  Y10T428/315

摘要： A glass composition is disclosed which has a high modulus elasticity (Young's modulus) and a high rigidity (modulus of elasticity/specific gravity) and is capable of being effectively inhibited from bending or vibrating. Also disclosed is a process for producing the glass composition. The glass composition comprises, in terms of mol %, 40 to 65% SiO2, 5 to 25% Al2O3, 2 to 20% Li2O, 0 to 9% Na2O, 0 to 10% TiO2, 0 to 10% ZrO2, 0 to 25% MgO, 0 to 25% CaO, and 0 to 10% SrO, provided that the content of RO (RO=MgO+CaO+SrO) is from 2 to 40% and the sum of (Li2O)/2 and Na2O is from 1 to 10 mol %, said glass composition further containing, as clarifiers, from 0.01 to 5 mol % SnO2 and up to 0.1 mol % sulfur (S) in terms of the amount of SO3.

摘要翻译： 公开了具有高模量弹性（杨氏模量）和高刚性（弹性/比重）的玻璃组合物，能够有效地抑制弯曲或振动。 还公开了一种玻璃组合物的制造方法。 该玻璃组合物以摩尔％计含有40至65％的SiO 2，5至25％的Al 2 O 3，2至20％的Li 2 O，0至9％的Na 2 O，0至10的TiO 2，0至10的ZrO 2，0至25 （MgO），0〜25％的CaO和0〜10％的SrO，条件是RO（RO = MgO + CaO + SrO）的含量为2〜40％，（Li 2 O）/ 2和Na 2 O的总和来自 1〜10摩尔％，所述玻璃组合物还含有以SO 3量计的0.01〜5摩尔％的SnO 2和0.1摩尔％的硫（S）作为澄清剂。

公开(公告)号：US6020672A

公开(公告)日：2000-02-01

申请号：US711000

申请日：1996-09-26

申请人： Akane Yokota ,  Akira Torisawa ,  Koichi Egara ,  Tadashi Eguchi ,  Akihiro Koyama ,  Takahiro Hachisu

发明人： Akane Yokota ,  Akira Torisawa ,  Koichi Egara ,  Tadashi Eguchi ,  Akihiro Koyama ,  Takahiro Hachisu

IPC分类号： H03H9/145 ,  H03H9/25 ,  H03H9/72 ,  H04B1/709 ,  H04J13/00 ,  H03B19/00

CPC分类号： H03H9/14502 ,  H04B1/70712

摘要： A surface acoustic wave converter for converting an electric signal into a surface acoustic wave includes an interdigital transducer provided on a piezoelectric substrate. The interdigital transducer has first and second electrode groups each having one or more electrode fingers to which a first signal is almost simultaneously inputted. The surface acoustic wave converters includes first input unit for inputting the first signal to the one or more electrode fingers of the first electrode group, and second input unit for inputting the first signal to the one or more electrode fingers of the second electrode group when at least one of surface acoustic waves excited by the first signal in the one or more electrode fingers of the first electrode group reaches one of the one or more electrode fingers of the second electrode group.

摘要翻译： 用于将电信号转换为声表面波的表面声波转换器包括设置在压电基板上的叉指式换能器。 叉指换能器具有第一和第二电极组，每个电极组具有一个或多个电极指，几乎同时输入第一信号。 表面声波转换器包括用于将第一信号输入到第一电极组的一个或多个电极指的第一输入单元和用于在第二电极组中的第一电极组的一个或多个电极指的第一信号输入的第二输入单元 由第一电极组的一个或多个电极指中的第一信号激发的表面声波中的至少一个到达第二电极组的一个或多个电极指中的一个。

公开(公告)号：US5760525A

公开(公告)日：1998-06-02

申请号：US681493

申请日：1996-07-23

申请人： Takahiro Hachisu ,  Akira Torisawa ,  Norihiro Mochizuki ,  Koichi Egara ,  Tadashi Eguchi ,  Akihiro Koyama

发明人： Takahiro Hachisu ,  Akira Torisawa ,  Norihiro Mochizuki ,  Koichi Egara ,  Tadashi Eguchi ,  Akihiro Koyama

IPC分类号： H03H9/72 ,  G06G7/195 ,  H03H9/145 ,  H04B1/26 ,  H01L41/08

CPC分类号： H03H9/02787 ,  G06G7/195 ,  H03H9/14547 ,  H03H9/14561 ,  H04B1/26

摘要： A surface acoustic wave device includes a piezoelectric substrate, first and second input transducers formed on the substrate and adapted for respectively generating surface acoustic waves corresponding to input signals, the first and second input transducers each having a shape to focus the surface acoustic waves generated thereby, an output transducer formed between the first and second input transducers on the substrate and adapted for obtaining a convolution -signal of the surface acoustic waves generated by the first and second input transducers, and conductive films, one formed between the first input transducer and the output transducer and another between the second input transducer and the output transducer on the substrate. A communication system includes a transmitter for transmitting a signal modulated according to information, a circuit for receiving the modulated signal transmitted from the transmitter, a circuit for generating a reference signal, a surface acoustic wave device, as described above, for outputting a convolution signal of the modulated signal and the reference signal, and a demodulating circuit for restoring the information, using the convolution signal output from the surface acoustic wave device.

摘要翻译： 表面声波装置包括压电基片，形成在基片上的第一和第二输入换能器，用于分别产生对应于输入信号的表面声波，第一和第二输入换能器各自具有聚焦由此产生的表面声波的形状 形成在基板上的第一和第二输入换能器之间的输出换能器，并适于获得由第一和第二输入换能器产生的表面声波的卷积信号，以及形成在第一输入换能器和 输出换能器和另一个在第二输入换能器和基板上的输出换能器之间。 一种通信系统，包括用于发送根据信息调制的信号的发射机，用于接收从发射机发射的调制信号的电路，用于产生参考信号的电路，如上所述的表面声波装置，用于输出卷积信号 的调制信号和参考信号，以及解调电路，用于使用从声表面波装置输出的卷积信号来恢复信息。

公开(公告)号：US5708402A

公开(公告)日：1998-01-13

申请号：US534174

申请日：1995-09-26

申请人： Takahiro Hachisu ,  Norihiro Mochizuki ,  Koichi Egara ,  Tadashi Eguchi ,  Akihiro Koyama ,  Akane Yokota

发明人： Takahiro Hachisu ,  Norihiro Mochizuki ,  Koichi Egara ,  Tadashi Eguchi ,  Akihiro Koyama ,  Akane Yokota

IPC分类号： H03H3/08 ,  G06G7/195 ,  H03H9/25 ,  H03H9/72 ,  H04B1/69 ,  H04B1/707 ,  H03H9/64

CPC分类号： G06G7/195

摘要： A surface acoustic wave device includes a substrate having piezoelectricity, at least two input electrodes, provided on the substrate, for exciting first and second surface acoustic waves, and an output electrode for taking a convolution signal of the two surface acoustic waves out. The substrate has a roughness configuration on a back face thereof and a maximum depth of the roughness configuration is not less than a wavelength of bulk waves of convolution output taken out of the output electrode.

摘要翻译： 表面声波装置包括具有压电性的基板，设置在基板上的用于激励第一和第二声表面波的至少两个输入电极，以及用于取出两个表面声波的卷积信号的输出电极。 基板的背面具有粗糙结构，粗糙结构的最大深度不小于从输出电极取出的卷积输出的体波波长。

公开(公告)号：US09029280B2

公开(公告)日：2015-05-12

申请号：US13537906

申请日：2012-06-29

申请人： Akihiro Koyama ,  Satoshi Ami ,  Manabu Ichikawa

发明人： Akihiro Koyama ,  Satoshi Ami ,  Manabu Ichikawa

IPC分类号： C03C3/091 ,  C03B25/00

CPC分类号： C03C3/091 ,  C03B25/00

摘要： A substrate for p-Si TFT flat panel displays made of a glass having a high low-temperature-viscosity characteristic temperature and manufactured while avoiding erosion/wear of a melting tank during melting through direct electrical heating. The glass substrate comprises 52-78 mass % of SiO2, 3-25 mass % of Al2O3, 3-15 mass % of B2O3, 3-20 mass % of RO, wherein RO is total amount of MgO, CaO, SrO, and BaO, 0.01-0.8 mass % of R2O, wherein R2O is total amount of Li2O, Na2O, and K2O, and 0-0.3 mass % of Sb2O3, and substantially does not comprise As2O3, wherein the mass ratio CaO/RO is equal to or greater than 0.65, the mass ratio (SiO2+Al2O3)/B2O3 is in a range of 7-30, and the mass ratio (SiO2+Al2O3)/RO is equal to or greater than 5. A related method involves melting glass raw materials blended to provide the glass composition; a forming step of forming the molten glass into a flat-plate glass; and an annealing step of annealing the flat-plate glass.

摘要翻译： 一种用于由具有高低温粘度特性温度的玻璃制成的p-Si TFT平板显示器的基板，并且在通过直接电加热熔化期间避免熔化槽的侵蚀/磨损而制造。 所述玻璃基板包含52-78质量％的SiO 2，3-25质量％的Al 2 O 3，3-15质量％的B 2 O 3，3-20质量％的RO，其中RO是MgO，CaO，SrO和BaO的总量 ，0.01-0.8质量％的R 2 O，其中，R 2 O为Li 2 O，Na 2 O，K 2 O的总量，Sb 2 O 3为0〜0.3质量％，基本上不包含As 2 O 3，CaO / （SiO2 + Al2O3）/ B2O3的质量比（SiO 2 + Al 2 O 3）/ B 2 O 3在7〜30的范围内，质量比（SiO 2 + Al 2 O 3）/ RO等于或大于5.相关方法包括将玻璃原料混合 提供玻璃组成; 将熔融玻璃形成平板玻璃的成形工序; 以及退火平板玻璃的退火步骤。

公开(公告)号：US08399370B2

公开(公告)日：2013-03-19

申请号：US13099023

申请日：2011-05-02

申请人： Haruki Niida ,  Akihiro Koyama ,  Yukihito Nagashima ,  Satoshi Furusawa

发明人： Haruki Niida ,  Akihiro Koyama ,  Yukihito Nagashima ,  Satoshi Furusawa

IPC分类号： C03C3/091 ,  C03C3/11

CPC分类号： C03C4/20 ,  C03C3/11 ,  G02F1/1333

摘要： A glass composition which is reduced in the amount of residual bubbles and is produced using smaller amounts of an environmentally unfriendly component such as arsenic oxide and antimony oxide. This glass composition comprises, in terms of mass %; 40-70% SiO2; 5-20% B2O3; 10-25% Al2O3; 0-10% MgO; 0-20% CaO; 0-20% SrO; 0-10% BaO; 0.001-0.5% Li2O; 0.01-0.5% Na2O; 0.002-0.5% K2O; and 0-1.0%, excluding 0%, Cl.

摘要翻译： 减少残留气泡量的玻璃组合物，并使用较少量的环境不友好的成分如砷氧化物和氧化锑来生产。 该玻璃组合物以质量％表示; 40-70％SiO2; 5-20％B2O3; 10-25％Al2O3; 0-10％MgO; 0-20％CaO; 0-20％SrO; 0-10％BaO; 0.001-0.5％Li2O; 0.01-0.5％Na2O; 0.002-0.5％K2O; 和0-1.0％，不包括0％，Cl。