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公开(公告)号：DE60003617D1
公开(公告)日：2003-08-07
申请号：DE60003617
申请日：2000-08-09
Applicant: SUMITA OPTICAL GLASS
Inventor： NAKAHATA KOJI , TSUCHIYA KOICHI , NAGAHAMA SHINOBU
Abstract: An optical glass for precision molding, having excellent properties, i.e. yield temperature (At) of at most 550 DEG C, refractive index (nd) of at least 1.83 and Abbe number ( nu d) of at most 26.0 and further providing low softening as well as improved mass production capability with less coloration, which is represented, in term of atoms for making up the glass, by the following chemical composition (wt %):
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公开(公告)号：DE602004018262D1
公开(公告)日：2009-01-22
申请号：DE602004018262
申请日：2004-10-07
Applicant: SUMITA OPTICAL GLASS
Inventor： YAMAMOTO YOSHINORI , TSUCHIYA KOICHI , NAGAHAMA SHINOBU , SAWANOBORI NARUHITO
IPC: C03C3/253
Abstract: The present invention provides a high refractive index, high dispersion optical glass for precision molding, being free from harmful materials causing environmental problems, such as lead oxide, etc., and having a low yield temperature (At), i.e. at most 580 °C, a refractive index (nd) of at least 1.89 and an Abbe number (½d) of at most 23.0 and further providing a low softening property as well as an improved mass production property with less coloration, which is represented in terms of for making up the glass, by the following chemical composition (wt%): P 2 O 5 3 to 20 % B 2 O 3 0 to 5 % GeO 2 more than 14 to 37 % Sum of P 2 O 5 + B 2 O 3 + GeO 2 24 to 43 % Li 2 O 0 to 5 % Na 2 O 0 to 8 % K 2 O 0 to 10 % Sum of Li 2 O + Na 2 O + K 2 O 1 to 10 % Nb 2 O 5 0 to 50 % Bi 2 O 3 12 to 67 % BaO 0 to 5 % WO 3 0 to 12 %
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公开(公告)号：DE60200080T2
公开(公告)日：2004-08-26
申请号：DE60200080
申请日：2002-06-17
Applicant: SUMITA OPTICAL GLASS
Inventor： OTSUKA MASAAKI , YAMAMOTO YOSHINORI , TSUCHIYA KOICHI , SAWANOBORI NARUHITO , NAGAHAMA SHINOBU
Abstract: The present invention provides an optical glass for press molding, in particular, a low softening point glass which contains, in an oxide glass of phosphate type, a durability improving component in addition to glass forming components, and has a weight loss of at most 0.15 weight % in a durability test, and which is represented, in term of elements for making up the glass, by the following chemical composition (mol %):
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公开(公告)号：DE60200080D1
公开(公告)日：2003-12-11
申请号：DE60200080
申请日：2002-06-17
Applicant: SUMITA OPTICAL GLASS
Inventor： OTSUKA MASAAKI , YAMAMOTO YOSHINORI , TSUCHIYA KOICHI , SAWANOBORI NARUHITO , NAGAHAMA SHINOBU
Abstract: The present invention provides an optical glass for press molding, in particular, a low softening point glass which contains, in an oxide glass of phosphate type, a durability improving component in addition to glass forming components, and has a weight loss of at most 0.15 weight % in a durability test, and which is represented, in term of elements for making up the glass, by the following chemical composition (mol %):
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公开(公告)号：DE60003617T2
公开(公告)日：2004-06-09
申请号：DE60003617
申请日：2000-08-09
Applicant: SUMITA OPTICAL GLASS
Inventor： NAKAHATA KOJI , TSUCHIYA KOICHI , NAGAHAMA SHINOBU
Abstract: An optical glass for precision molding, having excellent properties, i.e. yield temperature (At) of at most 550 DEG C, refractive index (nd) of at least 1.83 and Abbe number ( nu d) of at most 26.0 and further providing low softening as well as improved mass production capability with less coloration, which is represented, in term of atoms for making up the glass, by the following chemical composition (wt %):
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Patent Agency Ranking6.发明专利Optical glass for precision press forming of high refractive index and low dispersion 审中-公开光学玻璃用于高折射率和低分辨率的精密压印
公开(公告)号：JP2008105863A
公开(公告)日：2008-05-08
申请号：JP2006287873
申请日：2006-10-23
Applicant: Sumita Optical Glass Inc , 株式会社住田光学ガラス
Inventor： TSUCHIYA KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide optical glass for precision press forming of a high refractive index and low dispersion, which has a large refractive index (nd) and Abbe's number (νd), a low glass transition temperature (Tg) and a surrender temperature (At), high meltability and stability, and good formability. SOLUTION: This optical glass for precision press forming has a composition containing 9.0-25.0 mol% of SiO 2 ; 15.0- 2 O 3 ; 0-7.0 mol% of GeO 2 ; 10.0-18.0 mol% of La 2 O 3 ; 5.0-13.0 mol% of Gd 2 O 3 ; 0-6.0 mol% of Ta 2 O 5 ; 10.0-26.0 mol% of Li 2 O; 1.0-10.0 mol% of ZnO; 0-6.0 mol% of ZrO 2 ; >5.0-10.0 mol% of TiO 2 ; 0-4.0 mol% of WO 3 ; and 0-3.0 mol% of Nb 2 O 5 . COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 要解决的问题：为了提供具有高折射率和低分散度的精密冲压成形用光学玻璃，其具有大的折射率（nd）和阿贝数（νd），低玻璃化转变温度（Tg）和 退火温度（At），熔融性和稳定性好，成形性好。 解决方案：用于精密压制成型的光学玻璃具有含有9.0-25.0mol％的SiO
2 的组成; 15.0- <30.0mol％的B 2 3 ; 0-7.0mol％的GeO 2 ; 10.0-18.0mol％的La 2 3 ; 5.0-13.0摩尔％的Gd 2 3 ; 0-6.0mol％的Ta 2 5 ; 10.0-26.0摩尔％的Li 2 O; 1.0-10.0摩尔％的ZnO; 0-6.0摩尔％的ZrO 2 SBB; > 5.0-10.0摩尔％的TiO 2 ; 0-4.0摩尔％WO 3 SB 3; 和0-3.0摩尔％的Nb 2 5 。 版权所有（C）2008，JPO＆INPIT -
公开(公告)号：JP2003026439A
公开(公告)日：2003-01-29
申请号：JP2001213295
申请日：2001-07-13
Applicant: Sumita Optical Glass Inc , 株式会社住田光学ガラス
Inventor： OTSUKA MASAAKI , YAMAMOTO YOSHINORI , TSUCHIYA KOICHI , SAWANOBORI SHIGETO , NAGAHAMA SHINOBU
CPC classification number: C03C3/17
Abstract: PROBLEM TO BE SOLVED: To provide low melting point glass which can be subjected to press forming at a low temperature of about 350 to 400 deg.C, and has excellent durability. SOLUTION: The optical glass for forming a mold consists of low melting point glass obtained by incorporating a durability improvement component into phosphate based oxide glass as well as glass forming components, and the loss rate in a ductility test is
Abstract translation: 要解决的问题：提供可在约350〜400℃的低温下进行加压成型的耐熔性优异的低熔点玻璃。 解决方案：用于形成模具的光学玻璃由通过将耐久性改进组分掺入磷酸盐基氧化物玻璃以及玻璃形成组分而获得的低熔点玻璃构成，延展性试验中的损失率<0.15重量％。 该玻璃特别包含32〜40％的P2 O 5，6〜21％的Li 2 O，8〜31％的Na 2 O，4〜22％的K 2 O，7.4〜16％的Al 2 O 3，0〜19.6的ZnO， 0至12％的BaO和35.1至49％的Li 2 O + Na 2 O + K 2 O.
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公开(公告)号：JP2011144069A
公开(公告)日：2011-07-28
申请号：JP2010006040
申请日：2010-01-14
Applicant: Sumita Optical Glass Inc , 株式会社住田光学ガラス
Inventor： TSUCHIYA KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide an optical glass having predetermined optical constants by a composition containing no GeO 2 and Ta 2 O 5 at all, which are expensive, and containing a certain amount or more amount of rare earth oxides; and to provide a preform for precision press molding, and an optical element. SOLUTION: The optical glass includes a composition of, in mass%, 0.5-9.0% SiO 2 , 10.0-22.0% B 2 O 3 , 30.0-50.0% La 2 O 3 , 14.0-30.0% Gd 2 O 3 , 0.5-10.0% ZrO 2 , 9.0-18.0% TiO 2 and 1.0-13.5% Nb 2 O 5 , which is constituted so as to satisfy 50.5%≤(La 2 O 3 +Gd 2 O 3 )≤64.0%. COPYRIGHT: (C)2011,JPO&INPIT
Abstract translation: 要解决的问题：通过不含GeO
2 和Ta O 5 的组合物提供具有预定光学常数的光学玻璃， 其中昂贵的，含有一定量或更多量的稀土氧化物; 并且提供用于精密压制成型的预成型件和光学元件。 解决方案：光学玻璃包括以质量％计含有0.5-9.0％SiO 2 SBB，10.0-22.0％B 2 O < / SB>，30.0-50.0％La 2 3 ，14.0-30.0％Gd 2 3 0.5-10.0％ZrO 2 SBB，9.0-18.0％TiO 2 SB 2和/或SBB 2和10％〜13.5％ ，其构成为满足50.5％≤（La 2 O 3 +＆lt; SB＆gt; 2＆lt; SB＆gt; 3＆lt; ≤64.0％。 版权所有（C）2011，JPO＆INPIT -
公开(公告)号：JP2009001439A
公开(公告)日：2009-01-08
申请号：JP2007161642
申请日：2007-06-19
Applicant: Sumita Optical Glass Inc , 株式会社住田光学ガラス
Inventor： TSUCHIYA KOICHI , MINAMI YUJI , YAMAMOTO YOSHINORI
Abstract: PROBLEM TO BE SOLVED: To provide optical glass for molding which has a low glass transition temperature (Tg) and a sag point (At) while maintaining devitrification resistance, and exhibits low volatility when it is melted.
SOLUTION: The optical glass has a composition comprising, by weight, 0-7.0% SiO
2 , 14.0-21.5% B
2 O
3 , 0-5.0% GeO
2 , 7.0-35.0% La
2 O
3 , 10.5-40.0% Gd
2 O
3 , 0-8.0% Y
2 O
3 , 5.0-40.0% LaF
3 , 0-12.0% GdF
3 , 0-8.0% YF
3 , 0-8.0% Ta
2 O
5 , 0-3.0% CaO, 0-3.0% SrO, 0-3.0% BaO, 1.0-25.0% ZnO, 0-8.0% ZnF
2 , 0-6.0% ZrO
2 , 0-4.0% TiO
2 , 0-3.0% WO
3 , and 0-5.0% Nb
2 O
5 , and no alkali metal oxide. Further, the optical glass has a low glass transition temperature (Tg) of ≤590°C, a sag point (At) of ≤630°C, a high refractive index and low dispersibility.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供具有低玻璃化转变温度（Tg）和下垂点（At）的成型用光学玻璃，同时保持耐失透性，并且当其熔融时显示低挥发性。 光学玻璃具有以重量计包含0-7.0％SiO 2 SBS，14.0-21.5％B
2 O 3， SB>，0-5.0％GeO 2 ，7.0-35.0％La 2 3 ，10.5-40.0％Gd < / SB> O 3 ，0-8.0％Y 2 3 ，5.0-40.0％LaF 3 SB， 0-12.0％的GdF 3 SB 3，0-8.0％的YF 3 SB 3，0-8.0％的Ta SB 2，5 ，0-3.0％CaO，0-3.0％SrO，0-3.0％BaO，1.0-25.0％ZnO，0-8.0％ZnF SB 2，0-6.0％ZrO 2， SB>，0-4.0％TiO 2 SB 2，0-3.0％WO 3 SB 3和0-5.0％Nb SB 2 O 3 ，不含碱金属氧化物。 此外，光学玻璃的玻璃化转变温度（Tg）低于≤590℃，下垂点（At）≤630℃，折射率高，分散性低。 版权所有（C）2009，JPO＆INPIT -
公开(公告)号：JP2008214135A
公开(公告)日：2008-09-18
申请号：JP2007054869
申请日：2007-03-05
Applicant: Sumita Optical Glass Inc , 株式会社住田光学ガラス
Inventor： TSUCHIYA KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide optical glass for precision press molding which has prescribed refractive index (nd) and Abbe's number (νd) useful for optical designing, a low yield point (At), high melting property and stability, and high transmissivity. SOLUTION: The optical glass for precision press molding has a glass composition containing, as essential components, SiO 2 , B 2 O 3 , La 2 O 3 , Gd 2 O 3 , Ta 2 O 5 , Li 2 O, ZrO 2 , and TiO 2 each in a predetermined amount, and has optical constants of a refractive index (nd) of 1.86 to 1.92 and an Abbe's number (νd) of 31.0 to 37.0, and a yielding point (At) of ≤645°C. COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 要解决的问题：提供具有规定的折射率（nd）和用于光学设计的阿贝数（νd）的精密压模成型用光学玻璃，低屈服点（At），高熔融性和稳定性，以及 透射率高。 解决方案：用于精密加压成型的光学玻璃具有玻璃组合物，其包含作为必要成分的SiO 2 SBB，B
2 3 ，＆lt; SB＆gt; 2＆lt; SB＆gt; 3＆lt; SB＆gt;，＆lt; SB＆gt; SB> 5 ，Li 2 O，ZrO 2 和TiO 2 ，并具有预定量的光学常数 折射率（nd）为1.86〜1.92，阿贝数（νd）为31.0〜37.0，屈服点（At）为≤645℃。 版权所有（C）2008，JPO＆INPIT
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