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1. 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℃

2. 发明授权

US06333286B1 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：US06333286B1
公开(公告)日：2001-12-25
申请号：US09377149
申请日：1999-08-19
申请人： Junji Kurachi , Akihiro Koyama , Shoichi Kishimoto , Nobuyuki Yamamoto
发明人： Junji Kurachi , Akihiro Koyama , Shoichi Kishimoto , Nobuyuki Yamamoto
IPC分类号： C03C3085
CPC分类号： G11B5/7315 , C03C3/087 , G11B23/0014
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 %: 55 to 65% SiO2, 0.5 to less than 6% Al2O3, 12 to 22% Li2O, 0 to 5% Na2O, 0 to 10% TiO2, 0 to 3% ZrO2, 0 to 8% MgO, 0 to 18% CaO, and 0 to 6% SrO, provided that the content of RO (RO=MgO+CaO+SrO) is 5 to 18%.
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。还公开了一种包含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％计的以下组分：55至65％的SiO 2，0.5至小于6的Al 2 O 3，12至22的Li 2 O，0至5的Na 2 O，0至10的TiO 2，0至3重量％ ZrO 2，0〜8％MgO，0〜18％CaO和0〜6％SrO，条件是RO（RO = MgO + CaO + SrO）的含量为5〜18％。

3. 发明授权

US06251812B1 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：US06251812B1
公开(公告)日：2001-06-26
申请号：US09293989
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： C03C3085
CPC分类号： C03C21/002 , C03C3/085 , C03C3/087 , 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 %: 50 to 64% SiO2, 6 to 18% Al2O3, 7 to 15% Li2O, 3 to 12% Na2O, 0 to 2% K2O, 0 to 10% TiO2, 0 to 4% ZrO2, 0 to 6% MgO, 0 to 9% CaO, and 0 to 6% SrO, provided at the content of RO (RO=MgO+CaO+SrO) is from 2 to 15%.
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％计的以下组分：50至64％SiO 2，6至18％Al 2 O 3，7至15％Li 2 O，3至12％Na 2 O，0至2％K 2 O，0至10％TiO 2，0 至RO含量为4％的ZrO 2，0〜6％的MgO，0〜9％的CaO，0〜6％的SrO为RO 2（RO = MgO + CaO + SrO）。

4. 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。

5. 发明授权

US06376403B1 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：US06376403B1
公开(公告)日：2002-04-23
申请号：US09933016
申请日：2001-08-21
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： C03C3085
CPC分类号： C03C3/087 , C03C3/062 , C03C3/085 , 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 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。还公开了制造玻璃组合物的方法。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。

6. 发明授权

US06365534B1 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：US06365534B1
公开(公告)日：2002-04-02
申请号：US09661427
申请日：2000-09-13
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： C03C3087
CPC分类号： C03C21/002 , C03C3/085 , C03C3/087 , 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 %: 50 to 64% SiO2, 6 to 18% Al2O3, 7 to 15% Li2O, 3 to 12% Na2O, 0 to 2% K2O, 0 to 10% TiO2, 0 to 4% ZrO2, 0 to 6% MgO, 0 to 9% CaO, and 0 to 6% SrO, provided that the content of RO (RO=MgO+CaO+SrO) is from 2 to 15%.
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％计的以下组分：50至64％SiO 2，6至18％Al 2 O 3，7至15％Li 2 O，3至12％Na 2 O，0至2％K 2 O，0至10％TiO 2，0 至4％的ZrO 2，0〜6％的MgO，0〜9％的CaO和0〜6％的SrO，条件是RO（RO = MgO + CaO + SrO）的含量为2〜15％。

7. 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）。

8. 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。

9. 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。

10. 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％。

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