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1. 发明授权

US5010041A Colored low-expansion transparent glass ceramic 失效
标题翻译：彩色低膨胀透明玻璃陶瓷
公开(公告)号：US5010041A
公开(公告)日：1991-04-23
申请号：US390771
申请日：1989-08-08
申请人： Akihiro Koyama , Keiji Kitamura , Nobuyuki Yamamoto
发明人： Akihiro Koyama , Keiji Kitamura , Nobuyuki Yamamoto
IPC分类号： C03C4/02 , C03C10/00 , C03C10/14
CPC分类号： C03C10/0045 , C03C10/0027
摘要： A colored low-expansion transparent glass ceramic comprising 100 parts by weight of a base glass (a) having the following composition, the following coloring components (b) and the following auxiliary coloring component (c) mixed thereto in the following ratio, and in that the principal crystalline phase is .beta.-quartz solid solution.(a) Base glass______________________________________ (weight %) ______________________________________ LiO.sub.2 3.5 to 5.5 Na.sub.2 O 0 to 4.0 K.sub.2 O 0 to 4.0 Na.sub.2 O + K.sub.2 O 0.5 to 4.0 MgO 0.1 to 3.0 Al.sub.2 O.sub.3 20.5 to 23.0 SiO.sub.2 60.0 to 68.5 TiO.sub.2 1.0 to 7.0 ZrO.sub.2 0 to 3.5 TiO.sub.2 + ZrO.sub.2 3.5 to 7.0 P.sub.2 O.sub.5 0 to 4.0 ______________________________________ (b) Coloring components______________________________________ (part by weight) ______________________________________ CoO 0 to 0.02 Cr.sub.2 O.sub.3 0 to 0.05 MoO.sub.3 0 to 0.04 NiO 0 to 0.075 ______________________________________ (c) Auxiliary coloring componentAt least one selected from the group consisting of______________________________________ (part of weight) ______________________________________ Cl 0 to 0.6 Br 0 to 0.4, and I 0 to 0.03 ______________________________________ The total amount of auxiliary component is 0.002 to 0.7 part by weight.In order to produce such glass ceramic, a raw material so prepared as to produce a glass ceramic having a composition comprising 100 parts by weight of the base glass (a) having the above-described composition, the coloring components (b) and the auxiliary coloring components (c) mixed thereto in the above-described ratio is melted and cooled and the thus-obtained glass ceramic is heat treated so as to form .beta.-quartz solid solution crystals as the principal crystalline phase.
摘要翻译：包含100重量份具有以下组成的基础玻璃（a）的着色低膨胀透明玻璃陶瓷，以下列比例混合以下着色组分（b）和以下辅助着色组分（c），并在主晶相为β-石英固溶体。（a）基础玻璃 - （重量％）-LiO2 3.5〜5.5 -Na2O 0〜4.0-K2O 0〜4.0 -Na2O + K2O 0.5〜4.0 -MgO 0.1〜3.0 -Al2O3 20.5〜23.0 -SiO2 60.0〜68.5 -TiO2 1.0 至7.0-ZrO 2至3.5 -TiO 2 + ZrO 2 3.5至7.0 -P 2 O 5 0至4.0 - （b）着色组分 - （重量份）-CoO 0至0.02 -Cr 2 O 3 0至0.05-MoO 3 0至0.04 -NiO 0至 0.075 - （c）辅助着色成分选自 - （重量份数）-Cl 0〜0.6 -Br 0〜0.4，-I 0〜0.03的至少一种 - 辅助成分的总量为0.002〜 0.7重量份。为了制造这种玻璃陶瓷，制备如下制备的玻璃陶瓷的原料，该玻璃陶瓷的组成包含100重量份具有上述组成的基础玻璃（a），着色组分（b）和助剂将以上述比例混合的着色组分（c）熔化并冷却，将由此得到的玻璃陶瓷进行热处理，形成作为主晶相的β-石英固溶体晶体。

2. 发明授权

US06576353B1 Glass substrate for use as information recording medium and method of manufacturing such glass substrate 有权
标题翻译：用作信息记录介质的玻璃基板和制造这种玻璃基板的方法
公开(公告)号：US06576353B1
公开(公告)日：2003-06-10
申请号：US09526583
申请日：2000-03-16
申请人： Kazuishi Mitani , Yasuhiro Saito , Koichi Ataka , Akihiro Koyama , Junji Kurachi , Nobuyuki Yamamoto , Yoshihiro Matsuno
发明人： Kazuishi Mitani , Yasuhiro Saito , Koichi Ataka , Akihiro Koyama , Junji Kurachi , Nobuyuki Yamamoto , Yoshihiro Matsuno
IPC分类号： B32B1706
CPC分类号： G11B5/7315 , C03C3/083 , C03C15/00 , C03C21/002 , G11B5/8404 , Y10T428/315
摘要： A glass substrate for use as an information recording medium has an average surface roughness (Ra) in the range of 0.3 nm≦Ra
摘要翻译：用作信息记录介质的玻璃基板的平均表面粗糙度（Ra）在0.3nm <= Ra <3.0nm的范围内，并且包括各向同性地分布成形并分布大致连续布置的表面凹凸。在50mum×50μm的面积内，表面凹凸包括高度至少为3nm的5〜50,000个凸部，高度为15nm以下的凸部。如果用碱性溶液过度蚀刻，则通过在玻璃基板中的酸处理工艺制造的多孔区域将被完全去除。然而，通过控制酸碱处理工艺的条件，可以在多孔区域中的孔扩大的阶段停止使用碱性溶液的蚀刻工艺。

3. 发明授权

US06399527B1 Glass composition and substrate for information recording medium 有权
标题翻译：用于信息记录介质的玻璃组合物和底物
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）。

4. 发明授权

US06306786B1 Glass composition and process for producing the same 有权
标题翻译：玻璃组合物及其制造方法
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。

5. 发明授权

US06713418B2 Glass article and glass substrate for information recording media using the same 有权
标题翻译：用于使用其的信息记录介质的玻璃制品和玻璃基板
公开(公告)号：US06713418B2
公开(公告)日：2004-03-30
申请号：US10156182
申请日：2002-05-29
申请人： Shoichi Kishimoto , Akihiro Koyama , Hiroyuki Tanaka , Nobuyuki Yamamoto
发明人： Shoichi Kishimoto , Akihiro Koyama , Hiroyuki Tanaka , Nobuyuki Yamamoto
IPC分类号： C03C3087
CPC分类号： C03C21/002 , C03C3/083 , C03C3/087
摘要： A glass article of the present invention has a rate of dissolution in an acidic liquid of from 10 to 100 nm/min in terms of etching rate in immersing in a 0.1% by weight 50° C. aqueous solution of hydrofluoric acid and an average linear thermal expansion coefficient of 70×10−7/° C. or higher as measured in the range of from −50° C. to 70° C., and the working temperature T4 (° C.) and the liquidus temperature TL (° C.) thereof satisfy the relationship: T4−TL≧−100° C.
摘要翻译：本发明的玻璃制品在浸入0.1重量％的50℃的氢氟酸水溶液中的蚀刻速率为10〜100nm /分钟的酸性液体溶解速度，平均线性在-50℃至70℃的范围内测量的热膨胀系数为70×10 -7 /℃或更高，工作温度T4（℃）和液相线温度TL（° C）满足关系：T4-TL> = - 100℃

6. 发明授权

US06413892B1 Glass substrate for magnetic recording media 有权
标题翻译：磁记录介质用玻璃基板
公开(公告)号：US06413892B1
公开(公告)日：2002-07-02
申请号：US09446264
申请日：1999-12-20
申请人： Akihiro Koyama , Nobuyuki Yamamoto
发明人： Akihiro Koyama , Nobuyuki Yamamoto
IPC分类号： C03C3087
CPC分类号： G11B5/7315 , C03C3/087 , C03C3/095 , C03C21/00 , C03C21/002
摘要： A glass substrate for magnetic recording medium, having a composition of, in % by weight: 61-70% SiO2, 9-18% Al2O3, 2-4.5% Li2O, 6-13% Na2O, 0-5% K2O, 10-16% R2O (with the proviso of R2O=Li2O+Na2O+K2O), 0-3.5% MgO, 1-7% CaO, 0-2% SrO, 0-2% BaO, 2-10% RO (with the proviso of RO=MgO+CaO+SrO +BaO), 0-2% TiO2, 0-2% CeO2, 0-2% Fe2O3, and 0-1% MnO (with the proviso of TiO2+CeO2+Fe2O3+MnO=0.01-3%). The glass substrate has melting temperature and working temperature suitable for the float process, and has good water resistance and weathering resistance after tempering treatment.
摘要翻译：用于磁记录介质的玻璃基板，其重量百分比为：61-70％SiO2，9-18％Al2O3,2.4.5％Li2O，6-13％Na2O，0-5％K2O，10- 16％R2O（条件是R2O = Li2O + Na2O + K2O），0-3.5％MgO，1-7％CaO，0-2％SrO，0-2％BaO，2-10％RO（附带条件的RO = MgO + CaO + SrO + BaO），0-2％TiO 2，0-2％CeO 2，0-2％Fe 2 O 3和0-1％MnO（条件是TiO 2 + CeO 2 + Fe 2 O 3 + MnO = 0.01 -3％）。玻璃基板具有适合于浮法的熔融温度和工作温度，回火处理后具有良好的耐水性和耐候性。

7. 发明授权

US5925583A Heat-resistant glass composition 失效
标题翻译：耐热玻璃组合物
公开(公告)号：US5925583A
公开(公告)日：1999-07-20
申请号：US927532
申请日：1997-09-11
申请人： Tetsuro Yoshii , Akihiro Koyama , Hiroyuki Tanaka , Nobuyuki Yamamoto , Shigekazu Yoshii
发明人： Tetsuro Yoshii , Akihiro Koyama , Hiroyuki Tanaka , Nobuyuki Yamamoto , Shigekazu Yoshii
IPC分类号： G02F1/1333 , C03C3/087 , G09F9/30
CPC分类号： C03C3/087
摘要： A heat-resistant glass composition which comprises, in % by weight; 56 to 68% of SiO.sub.2, 0.2 to 5% of Al.sub.2 O.sub.3, 0 to 6.4% of ZrO.sub.2, 0 to 0.5% of Li.sub.2 O, 0.2 to 8% of Na.sub.2 O, 2.5 to 14% of K.sub.2 O, 1 to 7% of MgO, 2 to 12% of CaO, 0 to 12% of SrO, 0 to 13% of BaO, 0 to 2% of ZnO, 0 to 1% in total of SO.sub.3 and Sb.sub.2 O.sub.3, and 0 to 3% of TiO.sub.2, with the proviso of the total amount of Na.sub.2 O and K.sub.2 O being 7 to 17%, the total amount of MgO and CaO being 7 to 15%, the total amount of SrO and BaO being 4 to 18%, the total amount of MgO, CaO, SrO, and BaO being 15 to 27%, and the total amount of SiO.sub.2, Al.sub.2 O.sub.3, and ZrO.sub.2 being 58% or more, and which has an average thermal expansion coefficient of 75.times.10.sup.-7 to 100.times.10.sup.-7 /K at 50 to 350.degree. C. and a strain point of 530.degree. C. or more. The heat-resistant glass composition has substantially the same thermal expansion coefficient as that of a soda-lime glass used as a window pane of buildings and a strain point than that of the soda-lime glass.
摘要翻译：一种耐热玻璃组合物，其以重量％计; 56〜68％的SiO2，0.2〜5％的Al2O3，0〜6.4％的ZrO2，0〜0.5％的Li2O，0.2〜8％的Na2O，2.5〜14％的K2O，1〜7％的MgO，2 至12％的CaO，0〜12％的SrO，0〜13％的BaO，0〜2％的ZnO，0〜1％的SO 3和Sb 2 O 3，0〜3％的TiO 2， Na2O和K2O的总量为7〜17％，MgO和CaO的总量为7〜15％，SrO和BaO的总量为4〜18％，MgO，CaO，SrO和 BaO为15〜27％，SiO 2，Al 2 O 3和ZrO 2的总量为58％以上，在50〜350℃下的平均热膨胀系数为75×10 -7〜100×10 -7 / K，应变点为530℃以上。耐热玻璃组合物具有与用作建筑物窗玻璃的钠钙玻璃和应变点大致相同的热膨胀系数，而不是钠钙玻璃。

8. 发明申请

US20080053152A1 GLASS COMPOSITION, GLASS ARTICLE, GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIA, AND METHOD FOR PRODUCING THE SAME 有权
标题翻译：玻璃组合物，玻璃制品，用于磁记录介质的玻璃基材及其制造方法
公开(公告)号：US20080053152A1
公开(公告)日：2008-03-06
申请号：US11933581
申请日：2007-11-01
申请人： Junji Kurachi , Akihiro Koyama , Nobuyuki Yamamoto
发明人： Junji Kurachi , Akihiro Koyama , Nobuyuki Yamamoto
IPC分类号： C03C3/083 , C03C21/00
CPC分类号： C03C21/002 , C03C3/087 , Y10T428/315
摘要： A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass composition essentially comprising 60 to 70 wt % SiO2, 5 to 20 wt % Al2O3, 0 to 1 wt % Li2O, 3 to 18 wt % Na2O, 0 to 9 wt % K2O, 0 to 10 wt % MgO, 1 to 15 wt % CaO, 0 to 4.5 wt % SrO, 0 to 1 wt % BaO, 0 to 1 wt % TiO2 and 0 to 1 wt % ZrO2, wherein the sum of Li2O, Na2O and K2O is from 5 to 25 wt %, and the sum of MgO, CaO, SrO and BaO is from 5 to 20 wt %.
摘要翻译：本发明的用于磁记录介质的具有高耐热性并且容易化学强化能力的本发明的玻璃基板尚未得到，它是基本上包含60至70重量％的SiO 2，5 至20重量％的Al 2 O 3 3，0至1重量％的Li 2 O 3，3至18重量％的Na 2，，0〜9重量％的K 2 O，0〜10重量％的MgO，1〜15重量％的CaO，0〜4.5重量％的SrO，0〜1重量％的BaO，0 至1重量％的TiO 2和0至1重量％的ZrO 2，其中Li 2 O 2，Na 2， O 2和K 2 O 5为5〜25重量％，MgO，CaO，SrO和BaO的总和为5〜20重量％。

9. 发明授权

US07309671B2 Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same 有权
标题翻译：玻璃组合物，玻璃制品，磁记录介质用玻璃基板及其制造方法
公开(公告)号：US07309671B2
公开(公告)日：2007-12-18
申请号：US10442933
申请日：2003-05-22
申请人： Junji Kurachi , Akihiro Koyama , Nobuyuki Yamamoto
发明人： Junji Kurachi , Akihiro Koyama , Nobuyuki Yamamoto
IPC分类号： C03C3/087 , G11B5/706
CPC分类号： C03C21/002 , C03C3/087 , Y10T428/315
摘要： A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass composition essentially comprising 60 to 70 wt % SiO2, 5 to 20 wt % Al2O3, 0 to 1 wt % Li2O, 3 to 18 wt % Na2O, 0 to 9 wt % K2O, 0 to 10 wt % MgO, 1 to 15 wt % CaO, 0 to 4.5 wt % SrO, 0 to 1 wt % BaO, 0 to 1 wt % TiO2 and 0 to 1 wt % ZrO2, wherein the sum of Li2O, Na2O and K2O is from 5 to 25 wt %, and the sum of MgO, CaO, SrO and BaO is from 5 to 20 wt %.
摘要翻译：本发明的用于磁记录介质的具有高耐热性并且容易化学强化能力的本发明的玻璃基板尚未得到，它是基本上包含60至70重量％的SiO 2，5 至20重量％的Al 2 O 3 3，0至1重量％的Li 2 O 3，3至18重量％的Na 2，，0〜9重量％的K 2 O，0〜10重量％的MgO，1〜15重量％的CaO，0〜4.5重量％的SrO，0〜1重量％的BaO，0 至1重量％的TiO 2和0至1重量％的ZrO 2，其中Li 2 O 2，Na 2， O 2和K 2 O 5为5〜25重量％，MgO，CaO，SrO和BaO的总和为5〜20重量％。

10. 发明授权

US06340647B1 Glass composition and substrate for information recording media comprising the same 有权
标题翻译：用于包含该玻璃组合物的信息记录介质的玻璃组合物和基底
公开(公告)号：US06340647B1
公开(公告)日：2002-01-22
申请号：US09293992
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： G11B5/7315 , C03C3/062 , C03C3/085 , C03C3/087 , C03C21/002 , Y10T428/315
摘要： A glass composition is disclosed which has a high modulus of 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 substrate for information recording media, which comprises the glass composition. The glass composition comprises the following components in terms of mol %: 40 to 60% SiO2, 8 to 25% Al2O3, 2 to 20% Li2O, 0 to 5% Na2O; provided that the content of R2O (R2O=Li2O+Na2O) is from 2 to 20%, 0 to 10% TiO2, 0 to 10% ZrO2, 5 to 25% MgO, 0 to 25% CaO and 0 to 6% SrO, provided that the content of RO (RO=MgO+CaO+SrO) is from more than 15 to 40%.
摘要翻译：公开了具有高弹性模量（杨氏模量）和高刚性（弹性模量/比重）的玻璃组合物，并且能够被有效地抑制弯曲或振动。还公开了一种包括玻璃组合物的信息记录介质用基板。该玻璃组合物包含以摩尔％计的以下成分：40-60％SiO 2，8-25％Al 2 O 3，2至20％Li 2 O，0至5％Na 2 O; 条件是R2O（R2O = Li2O + Na2O）的含量为2〜20％，0〜10％TiO 2，0〜10％ZrO 2，5〜25％MgO，0〜25％CaO和0〜6％SrO， RO（RO = MgO + CaO + SrO）的含量为15〜40％左右。

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