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11. 发明专利

JP2010083714A Method for producing optical glass 审中-公开
标题翻译：生产光学玻璃的方法
公开(公告)号：JP2010083714A
公开(公告)日：2010-04-15
申请号：JP2008254861
申请日：2008-09-30
申请人： Ohara Inc , 株式会社オハラ
发明人： SAKAI NOBUAKI , SESHIMO MASAKATSU , OGINO MICHIKO
IPC分类号： C03B1/00
CPC分类号： Y02P40/52
摘要： PROBLEM TO BE SOLVED: To provide a method for producing optical glass, by which the use amount of a defoaming agent can be reduced and it is possible to sufficiently defoam. SOLUTION: In the method for producing the optical glass, including melting a glass raw material and forming a resulting melt, a first cullet obtained by melting a non-glass-like raw material including a mesh formation component containing a gas releasing compound which releases a gas during melting and/or a mesh modification component and vitrifying the resulting melt, and a second cullet which is vitrified in a degree different from the degree of the first cullet and in which the gas releasing compound remains, are mixed and used. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造光学玻璃的方法，通过该方法可以减少消泡剂的使用量并且可以充分消泡。解决方案：在用于制造玻璃原料的方法中，包括熔化玻璃原料并形成所得的熔体，通过熔化包含含有气体释放化合物的网眼形成组分的非玻璃状原料而获得的第一碎玻璃其在熔融和/或网眼改性部件期间释放气体并使所得熔体玻璃化，并且将与第一碎玻璃的程度不同的并且其中放出气体释放化合物的玻璃化的玻璃化的第二碎玻璃混合并使用。版权所有（C）2010，JPO＆INPIT

12. 发明专利

JP2009073716A Optical glass 有权
标题翻译：光学玻璃
公开(公告)号：JP2009073716A
公开(公告)日：2009-04-09
申请号：JP2007246890
申请日：2007-09-25
申请人： Ohara Inc , 株式会社オハラ
发明人： OGINO MICHIKO
IPC分类号： C03C3/068 , C03C3/064 , C03C3/066
CPC分类号： C03C3/068
摘要： PROBLEM TO BE SOLVED: To produce a high refractive index low dispersion optical glass in which the change of imaging properties caused by a temperature change in a use environment is reduced, concretely, the absolute value of the multiplication α×β between the average linear expansion coefficient α at -30 to +70°C and a photoelastic constant β in the wavelength of 546.1 nm achieves 130×10
-12 °C×nm×cm
-1 ×Pa
-1 or below without largely using components having a high environmental load and rare mineral resources.
SOLUTION: The first constitution of this invention is an optical glass in which the absolute value of the multiplication α×β between the average linear expansion coefficient α at -30 to +70°C and the photoelastic constant β in the wavelength of 546.1 nm is 130×10
-12 °C
-1 ×nm×cm
-1 ×Pa
-1 or below, and which comprises, by mass% on the basis of oxide, SiO
2 , B
2 O
3 and La
2 O
3 in >0%, comprises ZrO
2 +Nb
2 O
5 in >13 to
摘要翻译：要解决的问题为了制造其中在使用环境中由温度变化引起的成像特性的变化减小的高折射率低色散光学玻璃，具体地说，在在-30〜+ 70℃的平均线性膨胀系数α和波长546.1nm的光弹性常数β达到130×10 -12 ℃×nm×cm SP>×Pa -1 以下，而不大量使用具有高环境负荷和稀有矿物资源的组分。解决方案：本发明的第一种结构是一种光学玻璃，其中在-30至+ 70℃的平均线性膨胀系数α与波长的光弹性常数β之间乘以α×β的绝对值 546.1nm是130×10 -12 ℃ -1 ×nm×cm -1 ×Pa -1 以下，以氧化物为基准的质量％SiO 2，SB <2>，SB 3，SB 2，在0％以上的 O 3 包含> 13中的ZrO 2 SBB + Nb 2 5 至<20％，并且包含<2.0％的ZnO。版权所有（C）2009，JPO＆INPIT

13. 发明专利

JP2007099606A Optical glass 有权
标题翻译：光学玻璃
公开(公告)号：JP2007099606A
公开(公告)日：2007-04-19
申请号：JP2006129925
申请日：2006-05-09
申请人： Ohara Inc , 株式会社オハラ
发明人： OGINO MICHIKO , NAGAOKA ATSUSHI , FU JIE
IPC分类号： C03C3/068 , C03C3/062 , C03C3/064 , C03C3/066 , G02B1/00
CPC分类号： C03C3/064 , C03C3/066 , C03C3/068 , C03C3/14
摘要： PROBLEM TO BE SOLVED: To provide optical glass containing bismuth oxide, in which the optical glass is substantially free from opacification and devitrification within the glass body during reheating step in production processes, also excellent in chemical durability and free from black coloring.
SOLUTION: This optical glass has a refractive index [n
d ] of no less than 1.75 and an Abbe number [ν
d ] of no less than 10 as optical constants. The optical glass contains Bi
2 O
3 in a content by mass from no less than 10% to less than 90%, and is substantially free from opacification and devitrification within the glass body in the reheating test under conditions below. The reheating test: a test piece of 15 mm×15 mm×30 mm is reheated and kept warm for 30 min at a temperature by 80°C higher than the glass transition temperature of the optical glass, then cooled to a normal temperature, and visually observed of the opposed two surfaces of the test piece after the test piece is polished to the width of 0 mm.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供含有氧化铋的光学玻璃，其中在制造过程中的再加热步骤期间，光学玻璃在玻璃体内基本上不会发生不透明和失透，并且化学耐久性也优异，并且没有黑色着色。
解决方案：该光学玻璃的折射率[n d ]不小于1.75，阿贝数[ν d ]不小于10，作为光学常量。光学玻璃含有质量不小于10％至小于90％的Bi O 3 ，并且在玻璃内基本上没有混浊和失透身体在再加热试验条件下。再加热试验：将15mm×15mm×30mm的试验片在比光学玻璃的玻璃化转变温度高80℃的温度下再加热30分钟，然后冷却至常温，在试件被抛光到0mm的宽度之后，目视观察试样的相对的两个表面。版权所有（C）2007，JPO＆INPIT

14. 发明专利

JP2004292301A Optical glass 有权
公开(公告)号：JP2004292301A
公开(公告)日：2004-10-21
申请号：JP2003193692
申请日：2003-07-08
申请人： Ohara Inc , 株式会社オハラ
发明人： OGINO MICHIKO , MORI KATSUO , ONOZAWA MASAHIRO
IPC分类号： C03C3/16 , C03C3/062 , C03C3/064 , C03C3/066 , C03C3/17 , C03C3/19 , C03C3/21 , C03C3/247
摘要： PROBLEM TO BE SOLVED: To provide high refractive index, high dispersion optical glass which has optical constants of a refractive index (nd) within a range from 1.78 to 1.90 and an Abbe number (νd) within a range of 18-27, excellent light transmittance, a small discoloring degree, excellent internal quality, and high resistance to devitrification, and is free of lead.
SOLUTION: The optical glass comprises, in mass percent, 15-35% of P
2 O
5 , 40-60% of Nb
2 O
5 , 0.5% to less than 15% of Na
2 O, 3% to less than 25% of BaO, and 0-5% of Cd
2 O
3 , has a ratio in mass % of (BaO+Nb
2 O
5 )/{(TiO
2 +WO
3 )×3+Bi
2 O
3 +Nb
2 O
5 }>1.0; is free of Pb and As; and has a refractive index (nd) within a range from 1.78 to 1.90 and an Abbe number (νd) within a range from 18 to 27.
COPYRIGHT: (C)2005,JPO&NCIPI

15. 发明专利

JP2013126935A Optical glass, perform, and optical device 有权
标题翻译：光学玻璃，性能和光学设备
公开(公告)号：JP2013126935A
公开(公告)日：2013-06-27
申请号：JP2012146813
申请日：2012-06-29
申请人： Ohara Inc , 株式会社オハラ
发明人： OGINO MICHIKO , OGURI FUMIHIRO
IPC分类号： C03C3/068 , C03C3/23 , G02B1/00
摘要： PROBLEM TO BE SOLVED: To provide an optical glass, which is used preferably for correction of chromatic aberration and can contribute to weight reduction of an optical device, though having a refractive index (n) and an Abbe number (ν) in desired ranges; and to provide a lens perform using the same.SOLUTION: The optical glass contains, with respect to the total amount of the glass in terms of oxide composition, in mass%, 5.0 to 55.0% of a BOcomponent, 10.0 to 55.0% of a LaOcomponent, and further a YOcomponent and an F component. The lens perform is constituted of the optical glass.
摘要翻译：要解决的问题：提供一种光学玻璃，其优选用于色差校正，并且可以有助于光学器件的重量减轻，尽管具有折射率（n d ）和阿贝数（ν d ）; 并提供使用其的透镜执行。光学玻璃相对于氧化物组成的玻璃的总量以质量％计含有5.0〜55.0％的B 5 组件，10.0〜55.0％的La 2 O 3 ，另外还有一个分量和一个F分量的Y 2 分量。透镜表现由光学玻璃构成。版权所有（C）2013，JPO＆INPIT

16. 发明专利

JP2013063887A Optical glass, preform and optical element 有权
标题翻译：光学玻璃，预制和光学元件
公开(公告)号：JP2013063887A
公开(公告)日：2013-04-11
申请号：JP2011249166
申请日：2011-11-14
申请人： Ohara Inc , 株式会社オハラ
发明人： OGINO MICHIKO
IPC分类号： C03C3/068 , C03C3/23 , C03C3/253 , G02B1/00
摘要： PROBLEM TO BE SOLVED: To provide optical glass having a refractive index (n) and an Abbe number (ν) within expected range, applicable preferably to correcting chromatic aberration, and having high devitrification resistance, and to provide a lens preform using the same.SOLUTION: This optical glass includes, in terms of mass%, a 5.0-55.0% BOcomponent and a 10.0-55.0% LaOcomponent, to the whole glass mass of the composition in terms of oxides, and further includes an AlOcomponent and an F component. The optical glass has a refractive index (n) over 1.57 and an Abbe number (ν) over 50.
摘要翻译：要解决的问题：提供折射率（n d ）和阿贝数（ν d ）的光学玻璃 >）在期望范围内，优选适用于校正色像差，并且具有高耐失透性，并且提供使用其的透镜预制件。
解决方案：该光学玻璃以质量％计包含5.0-55.0％的B 2 O 3 和10.0-55.0％的La 2 O 3 组分，以氧化物计，组合物的整个玻璃质量，还包括一个组件和一个F组件的A1 2 组件。光学玻璃的折射率（n d ）超过1.57，阿贝数（ν d ）超过50.
版权所有（C）2013，JPO＆INPIT

17. 发明专利

JP2012092016A Optical glass 有权
标题翻译：光学玻璃
公开(公告)号：JP2012092016A
公开(公告)日：2012-05-17
申请号：JP2012016333
申请日：2012-01-30
申请人： Ohara Inc , 株式会社オハラ
发明人： ISHIOKA JUNKO , OGINO MICHIKO , ONOZAWA MASAHIRO
IPC分类号： C03C3/068 , G02B1/00
摘要： PROBLEM TO BE SOLVED: To provide a high refractive index and low dispersion optical glass having imaging characteristics hardly affected by temperature changes of the use environment and having a refractive index (nd) of ≥1.75 and an Abbe number (νd) of ≥35.SOLUTION: The optical glass satisfying that the product α×β of an average linear expansion coefficient α in the range of -30 to +70°C and a photoelastic constant β at a wavelength of 546.1 nm is ≤130×10°C×nm×cm×Pais obtained by containing SiO, BOand LaOas essential components and adjusting the ratio between constituents.
摘要翻译：要解决的问题：提供一种高折射率和低色散的光学玻璃，其具有几乎不受使用环境的温度变化影响的成像特性，并且折射率（nd）≥1.75，阿贝数（νd）为 ≥35。解决方案：满足在-30至+ 70℃范围内的平均线膨胀系数α的产物α×β和波长为546.1nm的光弹性常数β的光学玻璃为≤130×10 < - SP SP =“POST”> - 12 ℃×nm×cm - 1 ×Pa - 1 通过包含SiO 2 ，B 2 和 POS =“POST”> 2 O 3 作为基本组件，并调整成分之间的比例。版权所有（C）2012，JPO＆INPIT

18. 发明专利

JP2012091983A Optical glass and optical element 审中-公开
标题翻译：光学玻璃和光学元件
公开(公告)号：JP2012091983A
公开(公告)日：2012-05-17
申请号：JP2010242299
申请日：2010-10-28
申请人： Ohara Inc , 株式会社オハラ
发明人： TSUCHIBUCHI NANA , OGINO MICHIKO
IPC分类号： C03C3/16 , C03C3/062 , C03C3/064 , C03C3/066 , C03C3/068 , C03C3/17 , C03C3/19 , C03C3/21 , G02B3/00
摘要： PROBLEM TO BE SOLVED: To provide optical glass with devitrification resistance and highly transparent to visible light even while having a lower Abbe number (ν) and a higher refractive index (n), a preform for precision press forming and an optical element.SOLUTION: This optical glass contains, in mass%, 5.0-40.0% POcomponent and 30.0-70.0% NbOcomponent, and has a refractive index (n) of 1.80 or more. Also, the preform for precision press forming and the optical element comprise the optical glass.
摘要翻译：要解决的问题：即使具有较低的阿贝数（ν d ）和更高的折射率（即， n d ），用于精密冲压成形的预成型件和光学元件。
解决方案：该光学玻璃以质量％计含有5.0-40.0％的P 2 O 5 70.0％Nb 2 O 5 组分，折射率（n d < SB>）为1.80以上。此外，用于精密冲压成形的预成型件和光学元件包括光学玻璃。版权所有（C）2012，JPO＆INPIT

19. 发明专利

JP2011093721A Method for producing optical glass 审中-公开
标题翻译：生产光学玻璃的方法
公开(公告)号：JP2011093721A
公开(公告)日：2011-05-12
申请号：JP2009246763
申请日：2009-10-27
申请人： Ohara Inc , 株式会社オハラ
发明人： OGINO MICHIKO , TSUCHIBUCHI NANA
IPC分类号： C03B1/00 , C03B5/16 , C03C3/062 , C03C3/064 , C03C3/068 , C03C3/21 , G02B1/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing optical glass, which contains phosphate and has excellent transmittance.
SOLUTION: In the method for producing the optical glass containing ≥10% P
2 O
5 component by mass% expressed in terms of oxide, a raw material mixture is melted and molded and contains ≥1% raw material releasing an oxidizable gas in the melting of the glass. The glass raw material mixture contains one or more kinds selected from a group comprising nitrate, sulfate and the combined salt.
COPYRIGHT: (C)2011,JPO&INPIT

20. 发明专利

JP2010260744A Optical glass, optical element, and preform for precision press molding 有权
标题翻译：光学玻璃，光学元件和精密压模成型
公开(公告)号：JP2010260744A
公开(公告)日：2010-11-18
申请号：JP2009111384
申请日：2009-04-30
申请人： Ohara Inc , 株式会社オハラ
发明人： TSUCHIBUCHI NANA , OGINO MICHIKO
IPC分类号： C03C3/21 , C03C3/062 , C03C3/064 , C03C3/066 , C03C3/068 , G02B1/00
摘要： PROBLEM TO BE SOLVED: To provide optical glass which has a low Abbe number (ν
d ) even though the refractive index (n
d ) thereof is within a desired range, is highly transparent to visible light, and is easily softened at a low temperature, and to provide an optical element and a preform for precision press molding.
SOLUTION: The optical glass contains, in mass% relative to the total mass of the glass in terms of oxides, 5.0 to 40.0% of a P
2 O
5 component, 10.0 to 60.0% of an Nb
2 0
5 component and 10.0 to 30.0% of a TiO
2 component, and has a glass transition point (Tg) of ≤700°C. The optical element and the preform for precision press molding are composed of the optical glass as a matrix.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有低阿贝数（ν d ）的光学玻璃，即使其折射率（n d ）在期望的范围对可见光高度透明，并且在低温下容易软化，并且提供用于精密冲压成型的光学元件和预成型件。解决方案：光学玻璃以相对于玻璃的总质量的以氧化物计的质量％含有5.0〜40.0％的P 2 5 的组成，10.0〜60.0％的Nb 2 5 组分和10.0〜30.0％的TiO 2 SB 2组分，并且具有玻璃化转变点（Tg）≤700℃。用于精密加压成型的光学元件和预成型件由作为基体的光学玻璃构成。版权所有（C）2011，JPO＆INPIT

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