公开(公告)号：US20230415294A1

公开(公告)日：2023-12-28

申请号：US18463840

申请日：2023-09-08

申请人： SCHOTT Glass Technologies (Suzhou) Co. Ltd.

发明人： Alex Wang ,  Helen Fang ,  Zhengyang Lu ,  Clemens Ottermann ,  Stefan Weidlich

IPC分类号： B24B9/08 ,  C03C27/06 ,  C03B25/00 ,  B24B37/04 ,  C03C3/062 ,  C03C3/064 ,  C03C3/068 ,  C03C3/066 ,  C03C3/16 ,  C03C3/21 ,  C03C3/19 ,  C03C3/14 ,  C03C3/15 ,  C03C3/155 ,  C03C3/12

CPC分类号： B24B9/08 ,  C03C27/06 ,  C03B25/00 ,  B24B37/042 ,  C03C3/062 ,  C03C3/064 ,  C03C3/068 ,  C03C3/066 ,  C03C3/16 ,  C03C3/21 ,  C03C3/19 ,  C03C3/14 ,  C03C3/15 ,  C03C3/155 ,  C03C3/127

摘要： A method for manufacturing a glass wafer for augmented reality applications includes the steps of: providing the raw wafer; edge-grinding of the raw wafer; lapping the raw wafer; rough polishing the raw wafer; fine polishing the raw wafer to obtain an intermediate wafer; gluing the intermediate wafer on a flat carrier; performing single-side polishing of a first main side of the intermediate wafer; and performing single-side polishing of a second main side of the intermediate wafer.

公开(公告)号：US20220289619A1

公开(公告)日：2022-09-15

申请号：US17754117

申请日：2020-09-14

申请人： Sumita Optical Glass, Inc.

发明人： Yoshinori YAMAMOTO ,  Tomoyuki NAKAYAMA ,  Takuya SAKAI ,  Kosuke TOMITA

IPC分类号： C03C4/08 ,  C03C3/068 ,  C03C3/155 ,  G21F1/06

摘要： Provided is an X-ray shielding glass having high shielding capability against X-rays with a tube voltage of 150 kV or less. The X-ray shielding glass has a composition including: 15 mass % to 25 mass % B2O3; 7 mass % to 50 mass % La2O3; 7 mass % to 50 mass % Gd2O3; 10 mass % to 25 mass % WO3; 0 mass % to 7 mass % SiO2; 0 mass % to 10 mass % ZrO2; 0 mass % to 8 mass % Nb2O5; 0 mass % to 10 mass % Ta2O5; 0 mass % to 5 mass % Bi2O3; 0 mass % to 3 mass % CeO2; and 0 mass % to 1 mass % Sb2O3, wherein the glass contains no ZnO, the total content of La2O3 and Gd2O3 is 45 mass % to 65 mass %, and when the thickness of the glass is 3 mm, the transmittance of the glass to an X-ray from an X-ray tube with a tube voltage of 60 kV is 0.0050% or less, and the transmittance of the glass to an X-ray from an X-ray tube with a tube voltage of 100 kV is 0.1500% or less.

公开(公告)号：US20200223743A1

公开(公告)日：2020-07-16

申请号：US16738413

申请日：2020-01-09

申请人： OHARA INC.

发明人： Hiroto NOJIMA ,  Fumihiro OGURI

IPC分类号： C03C3/155 ,  C03C3/247

摘要： To provide an optical glass having the optical characteristics of a high refractive index and low dispersion, and moreover, which makes it possible to further reduce devitrification and which can be stably obtained, and a preform and an optical element using the same. The optical glass comprises, expressed in cation % (mol %), 17.0% to 42.0% of P5+, 7.0% to 30.0% of Al3+, more than 0% to 22.0% of Mg2+, more than 0% to 25.0% Ca2+, more than 0% to 30.0% of Sr2+, more than 0% to 35.0% Ba2+, and expressed in anion % (mol %), a content ratio of F− of 37.0 to 64.0%, a content ratio of O2− of 36.0 to 63.0%, a refractive index (nd) of 1.48 to 1.58, and having an Abbe number (vd) of 70 to 88, and a liquidus temperature of 800° C. or less.

公开(公告)号：US10442722B2

公开(公告)日：2019-10-15

申请号：US15751295

申请日：2016-08-10

申请人： CDGM GLASS CO., LTD

发明人： Wei Sun

IPC分类号： C03C3/068 ,  C03C3/155

摘要： A high refraction low dispersion optical glass, the components thereof including, by weight percentage: B2O3: 1-30%; SiO2: 0-20%; La2O3: 25-55%; Gd2O3: 5-40%; Y2O3: 0-25%; Yb2O3: 0-10%; Ta2O5: 0-10%; Nb2O5: 1-30%; TiO2: 0-10%; ZrO2: 0.5-20%; WO3: 0-10%; ZnO: 0-15%; R2O: 0-10%; RO: 0-10%; Al2O3: 0-10%; GeO2: 0-10%; Bi2O3: 0-10%. A high refraction low dispersion environmentally friendly optical glass having excellent light transmittance may be obtained by reducing the Ta2O5 content within the glass components and introducing suitable amounts of rare earth oxide components having a high refraction low dispersion effect.

公开(公告)号：US10259738B2

公开(公告)日：2019-04-16

申请号：US15751202

申请日：2016-08-10

申请人： CDGM GLASS CO., LTD

发明人： Wei Sun

IPC分类号： C03C3/068 ,  C03C3/155

摘要： A high refraction low dispersion optical glass having a refractive index of 1.86-1.92 and an Abbe number of 36-42. The components of the optical glass comprise, by weight percentage: B2O3: 1-30%; SiO2: 0-20%; La2O3: 25-55%; Gd2O3: 5-40%; Y2O3: 0-25%; Yb2O3: 0-10%; Ta2O5: 0-10%; Nb2O5: 1-30%; TiO2: 0-10%; ZrO2: 0.5-20%; WO3: 0-10%; ZnO: 0-15%; Al2O3: 0-10%; GeO2: 0-10%; Bi2O3: 0-10%. The optical glass does not contain PbO or F. A high refraction low dispersion optical glass having excellent light transmittance may be obtained by introducing suitable amounts of rare earth oxides having a high refraction low dispersion effect and optimizing the proportions of said components.

公开(公告)号：US08883664B2

公开(公告)日：2014-11-11

申请号：US13449848

申请日：2012-04-18

申请人： Tomoaki Negishi

发明人： Tomoaki Negishi

IPC分类号： C03C3/14 ,  C03C3/15 ,  C03C3/155 ,  C03C3/064 ,  C03C3/068 ,  C03C3/066

CPC分类号： C03C3/068 ,  C03C3/064 ,  C03C3/066 ,  C03C3/14 ,  C03C3/15 ,  C03C3/155

摘要： An aspect of the present invention relates to optical glass, which is oxide glass comprising various cationic components in prescribed amounts without Pb, with a refractive index nd of 1.750 to 1.850, an Abbé number νd of 29.0 to 40.0, and a glass transition temperature of less than 630° C.

摘要翻译： 本发明的一个方面涉及光学玻璃，其是包含不含Pb的规定量的各种阳离子组分的氧化物玻璃，折射率nd为1.750至1.850，Abbé数量为29.0至40.0，玻璃化转变 温度低于630℃

公开(公告)号：US08835334B2

公开(公告)日：2014-09-16

申请号：US13703048

申请日：2011-09-12

申请人： Takahiro Matano ,  Fumio Sato

发明人： Takahiro Matano ,  Fumio Sato

IPC分类号： C03C3/064 ,  C03C3/14 ,  C03C3/066 ,  C03C3/15 ,  C03C3/145 ,  C03C3/068 ,  C03C3/155 ,  C03C4/02

CPC分类号： C03C4/02 ,  C03C3/064 ,  C03C3/066 ,  C03C3/068 ,  C03C3/14 ,  C03C3/145 ,  C03C3/15 ,  C03C3/155

摘要： Provided is an optical glass which can satisfy all of the following requirements: (1) it contains no environmentally undesirable components; (2) it can easily achieve a low glass transition point; (3) it has a high refractive index and high dispersion; (4) it can easily provide a glass having a superior visible light transmittance; and (5) it has superior resistance to devitrification during preparation of a preform. The optical glass has a refractive index nd of 2.0 or more, an Abbe's number νd of 20 or less, a glass transition point of 450° C. or below, and a glass composition, in % by mass, of 70 to 90% Bi2O2, 4 to 29.9% B2O2, 0.1 to 10% Li2O+Na2O+K2O, and 0 to 2.5% SiO2+Al2O2 and is substantially free of lead component, arsenic component, F component, TeO2, and GeO2.

摘要翻译： 提供可以满足以下所有要求的光学玻璃：（1）不含有环境不良成分; （2）可以轻松实现低玻璃化转变点; （3）折射率高，色散高; （4）可以容易地提供具有优异的可见光透射率的玻璃; 和（5）在制备预成型品时具有优异的抗失透性。 光学玻璃的折射率nd为2.0以上，阿贝数n为20以下，玻璃化转变温度为450℃以下，玻璃组合物的质量％为70〜90 4％〜29.9％的B 2 O 2，0.1〜10％的Li 2 O + Na 2 O + K 2 O，0〜2.5％的SiO 2 + Al 2 O 2，并且基本上不含铅成分，砷成分，F成分，TeO 2和GeO 2。

公开(公告)号：US08609560B2

公开(公告)日：2013-12-17

申请号：US13035302

申请日：2011-02-25

申请人： Tomoaki Negishi

发明人： Tomoaki Negishi

IPC分类号： C03C3/155 ,  C03C3/15 ,  C03C3/066

CPC分类号： C03C3/15 ,  C03C3/068

摘要： The present invention relates to an optical glass having a refractive index nd of 1.86 or higher and an Abbé number v(nu)d of 28 to 36; a preform for precision press molding and an optical element that are comprised of this glass; and a method for manufacturing the optical element.

摘要翻译： 本发明涉及折射率nd为1.86以上，Abbé数v（nu）d为28〜36的光学玻璃; 用于精密压制成型的预成型件和由该玻璃构成的光学元件; 以及制造光学元件的方法。

公开(公告)号：US20130040800A1

公开(公告)日：2013-02-14

申请号：US13652693

申请日：2012-10-16

申请人： HOYA CORPORATION

发明人： Yasuhiro FUJIWARA

IPC分类号： C03C3/068 ,  C03B11/00 ,  C03B7/14 ,  C03C3/15 ,  C03C3/155

CPC分类号： C03C3/068 ,  C03B2215/50

摘要： An optical glass having a refractive index nd of 1.70 or greater and an Abbé number of 50 or greater. Given as mole percentages, it comprises: B2O3 (20 to 80 percent), SiO2 (0 to 30 percent), Li2O (1 to 25 percent), ZnO (0 to 20 percent), La2O3 (4 to 30 percent), Gd2O3 (1 to 25 percent), Y2O3 (0 to 20 percent), ZrO2 (0 to 5 percent), MgO (0 to 25 percent), CaO (0 to 15 percent), and SrO (0 to 10 percent), with the combined quantity of the above components being 97 percent or greater. The molar ratio of {ZnO/(La2O3+Gd2O3+Y2O3)} is 0.8 or less and the molar ratio of {(CaO+SrO+BaO)/(La2O3+Gd2O3+Y2O3)} is 0.8 or less. Ta2O5 may be incorporated as an optional component, with the molar ratio {(ZrO2+Ta2O5)/(La2O3+Gd2O3+Y2O3)} being 0.4 or less.

摘要翻译： 折射率nd为1.70以上，Abbé数为50以上的光学玻璃。 以百分比计，B2O3（20-80％），SiO2（0-30％），Li2O（1％至25％），ZnO（0-20％），La2O3（4-30％），Gd2O3 1〜25％），Y2O3（0〜20％），ZrO2（0〜5％），MgO（0〜25％），CaO（0〜15％）和SrO（0〜10％ 上述成分的量为97％以上。 {ZnO /（La 2 O 3 + Gd 2 O 3 + Y 2 O 3）}的摩尔比为0.8以下，{（CaO + SrO + BaO）/（La2O3 + Gd2O3 + Y2O3）}的摩尔比为0.8以下。 Ta2O5可以以（（ZrO 2 + Ta 2 O 5）/（La 2 O 3 + Gd 2 O 3 + Y 2 O 3）}的摩尔比为0.4以下的任意成分结合。

公开(公告)号：US08207075B2

公开(公告)日：2012-06-26

申请号：US12362069

申请日：2009-01-29

申请人： Susumu Uehara ,  Kiyoyuki Momono

发明人： Susumu Uehara ,  Kiyoyuki Momono

IPC分类号： C03C3/155 ,  C03C3/068

CPC分类号： G02B1/02 ,  C03C3/068

摘要： Provided is an optical glass having optical constants, a refractive index (nd) of more than 1.9 and an Abbe number (νd) of not more than 38, having a small partial dispersion ratio and capable of being produced from inexpensive materials. The optical glass has a partial dispersion ratio (θg, F) of at most 0.615, and contains, as indispensable ingredients, B2O3, La2O3, TiO2, Nb2O5 and Ta2O5, wherein the ratio, as % by mass, of TiO2/Nb2O5 is at most 0.26 and GeO2/Nb2O5 is at most 0.38. The optical glass contains, in terms of % by mass, the following ingredients: B2O3  5 to 22%, La2O3  15 to 50%, TiO20.01 to 15%, Nb2O5  5 to 40%, and Ta2O5 0.1 to 25%, and SiO20 to 10% and/or GeO20 to 10% and/or Al2O30 to 10% and/or Gd2O30 to 16% and/or ZrO20 to 15% and/or WO30 to 22% and/or Sb2O30 to 1%.

摘要翻译： 提供具有光学常数，大于1.9的折射率（nd）和不大于38的阿贝数（＆ngr; d）的光学玻璃，其具有小的分散比并且能够由廉价的材料制成。 光学玻璃具有至多0.615的部分分散比（＆amp; g，F），并且含有作为不可缺少的成分的B 2 O 3，La 2 O 3，TiO 2，Nb 2 O 5和Ta 2 O 5，其中以质量％计的TiO 2 / Nb 2 O 5 为0.26以下，GeO 2 / Nb 2 O 5为0.38以下。 光学玻璃以质量％计含有B 2 O 5 5〜22％，La 2 O 3 15〜50％，TiO 2 0.01〜15％，Nb 2 O 5 5〜40％，Ta 2 O 5 0.1〜25％，SiO 2 0 至10％和/或GeO 0至10％和/或Al 2 O 3 0至10％和/或Gd 2 O 3 0至16％和/或ZrO 2 0至15％和/或WO 3 0至22％和/或Sb 2 O 3 0至1 ％。