专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 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。

2. 发明授权

US08119267B2 Glass substrate for magnetic disk and manufacturing method of the same 有权
标题翻译：磁盘用玻璃基板及其制造方法
公开(公告)号：US08119267B2
公开(公告)日：2012-02-21
申请号：US12665623
申请日：2008-09-26
申请人： Kinobu Osakabe , Hideki Isono , Katsuyuki Iwata , Shinji Eda , Kenichiro Terada
发明人： Kinobu Osakabe , Hideki Isono , Katsuyuki Iwata , Shinji Eda , Kenichiro Terada
IPC分类号： C03C3/078 , G11B5/706 , B23Q3/00
CPC分类号： G11B5/7315 , C03C21/002 , G11B5/8404
摘要： A glass substrate for a magnetic disk of the invention is a disk-shaped glass substrate for a magnetic disk where the substrate has a main surface and end face and is subjected to chemical reinforcement treatment, and is characterized in that the penetration length in the uppermost-portion stress layer on the main surface is 49.1 μm or less, and that assuming that an angle between the main surface and compressive stress in the stress profile by a Babinet compensator method is θ, a value y of {12·t·ln(tan θ)+(49.1/t)} is the penetration length in the uppermost-portion stress layer or less.
摘要翻译：本发明的磁盘用玻璃基板是用于磁盘的盘状玻璃基板，其中基板具有主表面和端面并进行化学强化处理，其特征在于，最上面的穿透长度主表面的应力层为49.1μm以下，假设通过Babinet补偿方法在应力分布中的主表面与压缩应力之间的角度为θ，则{12·t·ln （tan＆amp; t s）+（49.1 / t）}是最上部应力层的贯通长度以下。

3. 发明授权

US08783063B2 Glass substrate for magnetic disk and manufacturing method of the same 有权
标题翻译：磁盘用玻璃基板及其制造方法
公开(公告)号：US08783063B2
公开(公告)日：2014-07-22
申请号：US13349495
申请日：2012-01-12
申请人： Kinobu Osakabe , Hideki Isono , Katsuyuki Iwata , Shinji Eda , Kenichiro Terada
发明人： Kinobu Osakabe , Hideki Isono , Katsuyuki Iwata , Shinji Eda , Kenichiro Terada
IPC分类号： C03B9/14 , B05C3/00 , G11B5/73 , C03C21/00 , G11B17/08
CPC分类号： G11B5/7315 , C03C21/002 , G11B5/8404
摘要： A glass substrate for a magnetic disk of the invention is a disk-shaped glass substrate for a magnetic disk where the substrate has a main surface and end face and is subjected to chemical reinforcement treatment, and is characterized in that the penetration length in the uppermost-portion stress layer on the main surface is 49.1 μm or less, and that assuming that an angle between the main surface and compressive stress in the stress profile by a Babinet compensator method is θ, a value y of {12·t·ln(tan θ)+(49.1/t)} is the penetration length in the uppermost-portion stress layer or less.
摘要翻译：本发明的磁盘用玻璃基板是用于磁盘的盘状玻璃基板，其中基板具有主表面和端面并进行化学强化处理，其特征在于，最上面的穿透长度主表面的应力层为49.1μm以下，假设通过Babinet补偿方法在应力分布中的主表面与压缩应力之间的角度为θ，则{12·t·ln （tan＆amp; t s）+（49.1 / t）}是最上部应力层的贯通长度以下。

4. 发明申请

US20100190038A1 GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD OF THE SAME 有权
标题翻译：用于磁盘的玻璃基板及其制造方法
公开(公告)号：US20100190038A1
公开(公告)日：2010-07-29
申请号：US12665623
申请日：2008-09-26
申请人： Kinobu Osakabe , Hideki Isono , Katsuyuki Iwata , Shinji Eda , Kenichiro Terada
发明人： Kinobu Osakabe , Hideki Isono , Katsuyuki Iwata , Shinji Eda , Kenichiro Terada
IPC分类号： G11B5/73 , B05D1/18 , G11B5/82 , G11B5/84
CPC分类号： G11B5/7315 , C03C21/002 , G11B5/8404
摘要： A glass substrate for a magnetic disk of the invention is a disk-shaped glass substrate for a magnetic disk where the substrate has a main surface and end face and is subjected to chemical reinforcement treatment, and is characterized in that the penetration length in the uppermost-portion stress layer on the main surface is 49.1 μm or less, and that assuming that an angle between the main surface and compressive stress in the stress profile by a Babinet compensator method is θ, a value y of {12·t·ln(tan θ)+(49.1/t)} is the penetration length in the uppermost-portion stress layer or less.
摘要翻译：本发明的磁盘用玻璃基板是用于磁盘的盘状玻璃基板，其中基板具有主表面和端面并进行化学强化处理，其特征在于，最上面的穿透长度主表面的应力层为49.1μm以下，假设通过Babinet补偿方法在应力分布中的主表面与压缩应力之间的角度为θ，则{12·t·ln （tan＆amp; t s）+（49.1 / t）}是最上部应力层的贯通长度以下。

5. 发明授权

US08357459B2 Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method 有权
标题翻译：用于信息记录介质的基板，信息记录介质用基板和信息记录介质的玻璃及其制造方法
公开(公告)号：US08357459B2
公开(公告)日：2013-01-22
申请号：US13244399
申请日：2011-09-24
申请人： Kazuo Tachiwana , Yoichi Hachitani , Xuelu Zou , Mikio Ikenishi , Kinobu Osakabe
发明人： Kazuo Tachiwana , Yoichi Hachitani , Xuelu Zou , Mikio Ikenishi , Kinobu Osakabe
IPC分类号： C03C3/097 , C03C3/04
CPC分类号： G11B5/735 , C03C3/083 , C03C3/087 , C03C3/095 , C03C3/097 , C03C15/00 , C03C19/00 , C03C21/002 , C03C23/0075 , G11B5/7315 , G11B5/82 , G11B5/8404 , Y10T428/24273 , Y10T428/315
摘要： According to one aspect of the present invention, provided is glass for use in substrate for information recording medium, which comprises, denoted as molar percentages, a total of 70 to 85 percent of SiO2 and Al2O3, where SiO2 content is equal to or greater than 50 percent and Al2O3 content is equal to or greater than 3 percent; a total of equal to or greater than 10 percent of Li2O, Na2O and K2O; a total of 1 to 6 percent of CaO and MgO, where CaO content is greater than MgO content; a total of greater than 0 percent but equal to or lower than 4 percent of ZrO2, HfO2, Nb2O5, Ta2O5, La2O3Y2O3 and TiO2; with the molar ratio of the total content of Li2O, Na2O and K2O to the total content of SiO2, Al2O3, ZrO2, HfO2, Nb2O5, Ta2O5, La2O3, Y2O3 and TiO2((Li2O+Na2O+K2O)/(SiO2+Al2O3+ZrO2+HfO2+Nb2O5+Ta2O5+La2O3+Y2O3+TiO2)) being equal to or less than 0.28. Further provided are the substrate for information recording medium, information recording medium and their manufacturing methods according to the present invention.
摘要翻译：根据本发明的一个方面，提供了一种用于信息记录介质的基板的玻璃，其包括以摩尔百分数表示的总和为70〜85％的SiO 2和Al 2 O 3，其中SiO 2含量等于或大于 50％，Al2O3含量等于或大于3％; 总计等于或大于10％的Li2O，Na2O和K2O; CaO和MgO的总量为1〜6％，其中CaO含量大于MgO含量; 总共大于0％但等于或低于ZrO2，HfO2，Nb2O5，Ta2O5，La2O3Y2O3和TiO2的4％; 其中Li2O，Na2O和K2O的总含量与SiO2，Al2O3，ZrO2，HfO2，Nb2O5，Ta2O5，La2O3，Y2O3和TiO2（（Li2O + Na2O + K2O）/（SiO2 + Al2O3 + ZrO 2 + HfO 2 + Nb 2 O 5 + Ta 2 O 5 + La 2 O 3 + Y 2 O 3 + TiO 2））等于或小于0.28。还提供了根据本发明的用于信息记录介质的基板，信息记录介质及其制造方法。

6. 发明申请

US20100167091A1 GLASS FOR USE IN SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING MEDIUM, AND THEIR MANUFACTURING METHOD 有权
标题翻译：用于信息记录介质的基板用玻璃，信息记录介质和信息记录介质的基板及其制造方法
公开(公告)号：US20100167091A1
公开(公告)日：2010-07-01
申请号：US12303795
申请日：2007-06-08
申请人： Kazuo Tachiwana , Yoichi Hachitani , Xuelu Zou , Mikio Ikenishi , Kinobu Osakabe
发明人： Kazuo Tachiwana , Yoichi Hachitani , Xuelu Zou , Mikio Ikenishi , Kinobu Osakabe
IPC分类号： C03C3/087 , C03C3/097 , C03C3/085 , C03C3/095 , C03C21/00 , G11B5/84 , C03C15/02 , G11B5/82 , G11B5/73
CPC分类号： G11B5/735 , C03C3/083 , C03C3/087 , C03C3/095 , C03C3/097 , C03C15/00 , C03C19/00 , C03C21/002 , C03C23/0075 , G11B5/7315 , G11B5/82 , G11B5/8404 , Y10T428/24273 , Y10T428/315
摘要： According to one aspect of the present invention, provided is glass for use in substrate for information recording medium, which comprises, denoted as molar percentages, a total of 70 to 85 percent of SiO2 and Al2O3, where SiO2 content is equal to or greater than 50 percent and Al2O3 content is equal to or greater than 3 percent; a total of equal to or greater than 10 percent of Li2O, Na2O and K2O; a total of 1 to 6 percent of CaO and MgO, where CaO content is greater than MgO content; a total of greater than 0 percent but equal to or lower than 4 percent of ZrO2, HfO2, Nb2O5, Ta2O5, La2O3, Y2O3 and TiO2; with the molar ratio of the total content of Li2O, Na2O and K2O to the total content of SiO2, Al2O3, ZrO2, HfO2, Nb2O5, Ta2O5, La2O3, Y2O3 and TiO2 ((Li2O+Na2O+K2O)/(SiO2+Al2O3+ZrO2+HfO2+Nb2O5+Ta2O5+La2O3+Y2O3+TiO2)) being equal to or less than 0.28. Further provided are the substrate for information recording medium, information recording medium and their manufacturing methods according to the present invention.
摘要翻译：根据本发明的一个方面，提供了一种用于信息记录介质的基板的玻璃，其包括以摩尔百分数表示的总和为70〜85％的SiO 2和Al 2 O 3，其中SiO 2含量等于或大于 50％，Al2O3含量等于或大于3％; 总计等于或大于10％的Li2O，Na2O和K2O; CaO和MgO的总量为1〜6％，其中CaO含量大于MgO含量; 总共大于0％但等于或低于ZrO2，HfO2，Nb2O5，Ta2O5，La2O3，Y2O3和TiO2的4％; 其中Li2O，Na2O和K2O的总含量与SiO2，Al2O3，ZrO2，HfO2，Nb2O5，Ta2O5，La2O3，Y2O3和TiO2（（Li2O + Na2O + K2O）/（SiO2 + Al2O3 + ZrO 2 + HfO 2 + Nb 2 O 5 + Ta 2 O 5 + La 2 O 3 + Y 2 O 3 + TiO 2））等于或小于0.28。还提供了根据本发明的用于信息记录介质的基板，信息记录介质及其制造方法。

7. 发明授权

US08785011B2 Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methods 有权
标题翻译：用作信息记录介质的基板的玻璃，信息记录介质的基板和信息记录介质及其制造方法
公开(公告)号：US08785011B2
公开(公告)日：2014-07-22
申请号：US13605006
申请日：2012-09-06
申请人： Kazuo Tachiwana , Yoichi Hachitani , Xuelu Zou , Mikio Ikenishi , Kinobu Osakabe
发明人： Kazuo Tachiwana , Yoichi Hachitani , Xuelu Zou , Mikio Ikenishi , Kinobu Osakabe
IPC分类号： G11B5/84 , G11B5/667 , C03B37/00 , C03C3/095 , C03C3/083
CPC分类号： G11B5/735 , C03C3/083 , C03C3/087 , C03C3/095 , C03C3/097 , C03C15/00 , C03C19/00 , C03C21/002 , C03C23/0075 , G11B5/7315 , G11B5/82 , G11B5/8404 , Y10T428/24273 , Y10T428/315
摘要： According to one aspect of the present invention, provided is glass for use in substrate for information recording medium, which comprises, denoted as molar percentages, a total of 70 to 85 percent of SiO2 and Al2O3, where SiO2 content is equal to or greater than 50 percent and Al2O3 content is equal to or greater than 3 percent; a total of equal to or greater than 10 percent of Li2O, Na2O and K2O; a total of 1 to 6 percent of CaO and MgO, where CaO content is greater than MgO content; a total of greater than 0 percent but equal to or lower than 4 percent of ZrO2, HfO2, Nb2O5, Ta2O5, La2O3 Y2O3 and TiO2; with the molar ratio of the total content of Li2O, Na2O and K2O to the total content of SiO2, Al2O3, ZrO2, HfO2, Nb2O5, Ta2O5, La2O3, Y2O3 and TiO2 ((Li2O+Na2O+K2O)/(SiO2+Al2O3+ZrO2+HfO2+Nb2O5+Ta2O5+La2O3+Y2O3+TiO2)) being equal to or less than 0.28. Further provided are the substrate for information recording medium, information recording medium and their manufacturing methods according to the present invention.
摘要翻译：根据本发明的一个方面，提供了一种用于信息记录介质的基板的玻璃，其包括以摩尔百分数表示的总和为70〜85％的SiO 2和Al 2 O 3，其中SiO 2含量等于或大于 50％，Al2O3含量等于或大于3％; 总计等于或大于10％的Li2O，Na2O和K2O; CaO和MgO的总量为1〜6％，其中CaO含量大于MgO含量; 总共大于0％但等于或低于ZrO2，HfO2，Nb2O5，Ta2O5，La2O3 Y2O3和TiO2的4％; 其中Li2O，Na2O和K2O的总含量与SiO2，Al2O3，ZrO2，HfO2，Nb2O5，Ta2O5，La2O3，Y2O3和TiO2（（Li2O + Na2O + K2O）/（SiO2 + Al2O3 + ZrO 2 + HfO 2 + Nb 2 O 5 + Ta 2 O 5 + La 2 O 3 + Y 2 O 3 + TiO 2））等于或小于0.28。还提供了根据本发明的用于信息记录介质的基板，信息记录介质及其制造方法。

8. 发明授权

US08076014B2 Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method 有权
标题翻译：用于信息记录介质的基板，信息记录介质用基板和信息记录介质的玻璃及其制造方法
公开(公告)号：US08076014B2
公开(公告)日：2011-12-13
申请号：US12303795
申请日：2007-06-08
申请人： Kazuo Tachiwana , Yoichi Hachitani , Xuelu Zou , Mikio Ikenishi , Kinobu Osakabe
发明人： Kazuo Tachiwana , Yoichi Hachitani , Xuelu Zou , Mikio Ikenishi , Kinobu Osakabe
IPC分类号： C03C3/087 , C03C21/00 , G11B5/82 , G11B5/73
CPC分类号： G11B5/735 , C03C3/083 , C03C3/087 , C03C3/095 , C03C3/097 , C03C15/00 , C03C19/00 , C03C21/002 , C03C23/0075 , G11B5/7315 , G11B5/82 , G11B5/8404 , Y10T428/24273 , Y10T428/315
摘要： According to one aspect of the present invention, provided is glass for use in substrate for information recording medium, which comprises, denoted as molar percentages, a total of 70 to 85 percent of SiO2 and Al2O3, where SiO2 content is equal to or greater than 50 percent and Al2O3 content is equal to or greater than 3 percent; a total of equal to or greater than 10 percent of Li2O, Na2O and K2O; a total of 1 to 6 percent of CaO and MgO, where CaO content is greater than MgO content; a total of greater than 0 percent but equal to or lower than 4 percent of ZrO2, HfO2, Nb2O5, Ta2O5, La2O3, Y2O3 and TiO2; with the molar ratio of the total content of Li2O, Na2O and K2O to the total content of SiO2, Al2O3, ZrO2, HfO2, Nb2O5, Ta2O5, La2O3, Y2O3 and TiO2 ((Li2O+Na2O+K2O)/(SiO2+Al2O3+ZrO2+HfO2+Nb2O5+Ta2O5+La2O3+Y2O3+TiO2)) being equal to or less than 0.28. Further provided are the substrate for information recording medium, information recording medium and their manufacturing methods according to the present invention.
摘要翻译：根据本发明的一个方面，提供了一种用于信息记录介质的基板的玻璃，其包括以摩尔百分数表示的总和为70〜85％的SiO 2和Al 2 O 3，其中SiO 2含量等于或大于 50％，Al2O3含量等于或大于3％; 总计等于或大于10％的Li2O，Na2O和K2O; CaO和MgO的总量为1〜6％，其中CaO含量大于MgO含量; 总共大于0％但等于或低于ZrO2，HfO2，Nb2O5，Ta2O5，La2O3，Y2O3和TiO2的4％; 其中Li2O，Na2O和K2O的总含量与SiO2，Al2O3，ZrO2，HfO2，Nb2O5，Ta2O5，La2O3，Y2O3和TiO2（（Li2O + Na2O + K2O）/（SiO2 + Al2O3 + ZrO 2 + HfO 2 + Nb 2 O 5 + Ta 2 O 5 + La 2 O 3 + Y 2 O 3 + TiO 2））等于或小于0.28。还提供了根据本发明的用于信息记录介质的基板，信息记录介质及其制造方法。

9. 发明授权

US08603653B2 Glass for magnetic recording medium substrate, magnetic recording medium substrate and method of manufacturing the same, and magnetic recording medium 有权
标题翻译：磁记录介质基板用玻璃，磁记录介质基板及其制造方法以及磁记录介质
公开(公告)号：US08603653B2
公开(公告)日：2013-12-10
申请号：US12853802
申请日：2010-08-10
申请人： Naomi Matsumoto , Yoichi Hachitani , Kinobu Osakabe
发明人： Naomi Matsumoto , Yoichi Hachitani , Kinobu Osakabe
IPC分类号： C03C3/095 , G11B17/08
CPC分类号： G11B5/7315 , C03C3/087 , C03C3/093 , C03C3/095 , C03C3/097 , G11B5/82 , G11B5/8404
摘要： An aspect of the present invention relates to glass for a magnetic recording medium substrate, which comprises, denoted as molar percentages, 50 to 75 percent of SiO2, 0 to 5 percent of Al2O3, 0 to 3 percent of Li2O, 0 to 5 percent of ZnO, a total of Na2O and K2O of 3 to 15 percent, a total of MgO, CaO, SrO, and BaO of 14 to 35 percent, a total of ZrO2, TiO2, La2O3, Y2O3, Yb2O3, Ta2O5, Nb2O5, and HfO2 of 2 to 9 percent, with a molar ratio of {(MgO+CaO)/(MgO+CaO+SrO+BaO)} falling within a range of 0.85 to 1, and a molar ratio of {Al2O3/(MgO+CaO)} falling within a range of 0 to 0.30.
摘要翻译：本发明的一个方面涉及一种用于磁记录介质基板的玻璃，其包括以摩尔百分数表示的是50％至75％的SiO 2，0至5％的Al 2 O 3，0至3％的Li 2 O，0至5％的 ZnO，总共为3〜15％的Na 2 O和K 2 O，总共为14〜35％的MgO，CaO，SrO和BaO，总共为ZrO 2，TiO 2，La 2 O 3，Y 2 O 3，Yb 2 O 3，Ta 2 O 5，Nb 2 O 5，HfO 2 的2％〜9％，摩尔比{（MgO + CaO）/（MgO + CaO + SrO + BaO）}在0.85〜1的范围内，{Al 2 O 3 /（MgO + CaO） }落在0到0.30的范围内。

10. 发明授权

US08394516B2 Glass substrate for magnetic recording medium and magnetic recording medium 有权
标题翻译：用于磁记录介质和磁记录介质的玻璃基板
公开(公告)号：US08394516B2
公开(公告)日：2013-03-12
申请号：US12941832
申请日：2010-11-08
申请人： Naomi Matsumoto , Kinobu Osakabe , Yoichi Hachitani
发明人： Naomi Matsumoto , Kinobu Osakabe , Yoichi Hachitani
IPC分类号： G11B5/73 , C03C3/087 , C03C3/097
CPC分类号： G11B5/7315 , C03C3/087 , C03C3/095 , C03C3/097
摘要： The present invention relates to recording glass substrates molar percentages: 56-75 SiO2, 1-11 Al2O2, more than 0-4 Li2O, 1-15 Na2O. more than 0 less than 3 K2O, no BaO. total Li2O, Na2O and K2O 6-15, (Li2O Na2O) less than 0.50, {K2O/(Li2O, Na2O and K2O)} equal or less than 0.13, total MgO, CaO and SrO 10-30, MgO and CaO 10-30, {(MgO+CaO)/(MgO+CaO+SrO)} equal or more than 0.86, alkali oxides to alkaline earth oxides equal to or more than 0.50. total ZrO2, TiO2, Y2O3, La2O3, Gd2O3, Nb2O5, and Ta2O5 more than 0 equal to or less than 10, molar ratio {(ZrO2, TiO2, Y2O3, La2O3, Gd2O3, Nb2O5, and Ta2O5)/Al2O2 equal or more than 0.40, Tg equal to or higher than 600° C., average coefficient linear expansion equal or higher than 70×10−7/°C. at 100-300° C. and Young's modulus equal to or higher than 80 GPa.
摘要翻译：本发明涉及记录玻璃基板的摩尔百分比：56-75SiO 2，1-11 Al 2 O 2，大于0-4 Li 2 O，1〜15纳摩尔。超过0小于3 K2O，不含BaO。总Li2O，Na2O和K2O6-15，（Li2O·Na2O）小于0.50，{K2O /（Li2O，Na2O和K2O）}等于或小于0.13，总MgO，CaO和SrO 10-30，MgO和CaO 10- 30，等于或大于0.86的{（MgO + CaO）/（MgO + CaO + SrO）}等于或大于0.50的碱金属氧化物至碱土金属氧化物。等于或等于或等于10的摩尔比{（ZrO 2，TiO 2，Y 2 O 3，La 2 O 3，Gd 2 O 3，Nb 2 O 5和Ta 2 O 5）/ Al 2 O 2的总ZrO 2，TiO 2，Y 2 O 3，La 2 O 3，Gd 2 O 3，Nb 2 O 5和Ta 2 O 5等于或等于10 0.40，Tg等于或高于600℃，平均系数线膨胀等于或高于70×10-7 /℃。在100-300℃，杨氏模量等于或高于80GPa。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式