Boron Containing Patents (Class 501/49)
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Patent number: 10559703Abstract: The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal and a lead-tellurium-boron-oxide dispersed in an organic medium.Type: GrantFiled: March 13, 2013Date of Patent: February 11, 2020Assignee: DUPONT ELECTRONICS, INC.Inventors: Alan Frederick Carroll, Kenneth Warren Hang, Brian J. Laughlin, Kurt Richard Mikeska, Carmine Torardi, Paul Douglas Vernooy
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Patent number: 9011720Abstract: Embodiments are directed to glass frits containing phosphors that can be used in LED lighting devices and for methods associated therewith for making the phosphor containing glass frit and their use in glass articles, for example, LED devices.Type: GrantFiled: March 28, 2013Date of Patent: April 21, 2015Assignee: Corning IncorporatedInventors: Bruce Gardiner Aitken, Michael Edward Badding, Nicholas Francis Borrelli, Nadja Teresia Lonnroth, Mark Alejandro Quesada
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Patent number: 8951926Abstract: The invention provides an optical glass for press molding 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 an excellent visible light transmittance; and (5) it has excellent resistance to devitrification during preparation of a preform. The optical glass for press molding has a refractive index nd of 1.925 or more, an Abbe's number ?d of 10 to 30, and a glass composition, in % by mass, of 20 to 80% Bi2O3, 10 to 30% B2O3, and 0 to 5.5% GeO2 and is substantially free of lead component, arsenic component, and F component.Type: GrantFiled: October 17, 2013Date of Patent: February 10, 2015Assignee: Nippon Electric Glass Co., Ltd.Inventors: Takahiro Matano, Fumio Sato, Yoko Usui
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Patent number: 8883664Abstract: 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 ?d of 29.0 to 40.0, and a glass transition temperature of less than 630° C.Type: GrantFiled: April 18, 2012Date of Patent: November 11, 2014Assignee: Hoya CorporationInventor: Tomoaki Negishi
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Patent number: 8835334Abstract: 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 ?d 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.Type: GrantFiled: September 12, 2011Date of Patent: September 16, 2014Assignee: Nippon Electric Glass Co., Ltd.Inventors: Takahiro Matano, Fumio Sato
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Patent number: 8697589Abstract: The invention provides an optical glass for press molding 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 an excellent visible light transmittance; and (5) it has excellent resistance to devitrification during preparation of a preform. The optical glass for press molding has a refractive index nd of 1.925 or more, an Abbe's number ?d of 10 to 30, and a glass composition, in % by mass, of 20 to 80% Bi2O3, 10 to 30% B2O3, and 0 to 5.5% GeO2 and is substantially free of lead component, arsenic component, and F component.Type: GrantFiled: June 14, 2010Date of Patent: April 15, 2014Assignee: Nippon Electric Glass Co., Ltd.Inventors: Takahiro Matano, Fumio Sato, Yoko Usui
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Publication number: 20140045675Abstract: The invention provides an optical glass for press molding 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 an excellent visible light transmittance; and (5) it has excellent resistance to devitrification during preparation of a preform. The optical glass for press molding has a refractive index nd of 1.925 or more, an Abbe's number ?d of 10 to 30, and a glass composition, in % by mass, of 20 to 80% Bi2O3, 10 to 30% B2O3, and 0 to 5.5% GeO2 and is substantially free of lead component, arsenic component, and F component.Type: ApplicationFiled: October 17, 2013Publication date: February 13, 2014Applicant: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Takahiro MATANO, Fumio SATO, Yoko USUI
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Publication number: 20140038346Abstract: The present invention provides a thick-film paste for printing the front side of a solar cell device having one or more insulating layers and a method for doing so. The thick-film paste comprises a source of an electrically conductive metal and a lead-vanadium-based oxide dispersed in an organic medium. The invention also provides a semiconductor device comprising an electrode formed from the thick-film paste.Type: ApplicationFiled: August 3, 2012Publication date: February 6, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: KENNETH WARREN HANG, Esther Kim, Brian J. Laughlin, Kurt Richard Mikeska, Ahmet Cengiz Palanduz
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Patent number: 8575047Abstract: The present invention relates to an optical glass with a high refractive index and good precision press moldability, and a preform for precision press molding and an optical element that are comprised of the optical glass. The present invention further relates to a method of manufacturing an optical element, a lens unit being equipped with an optical element and an image pickup device being equipped with a lens unit.Type: GrantFiled: August 13, 2012Date of Patent: November 5, 2013Assignee: Hoya CorporationInventors: Yasuhiro Fujiwara, Shuhei Mikami, Hiroki Takazawa
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Patent number: 8575048Abstract: [Problems to be Solved] To provide a high-refractivity low-dispersion optical glass that enables the stable production of high-quality optical elements. [Means to Solve the Problems] An optical glass comprising, as essential components, 20 to 50% of B3+, 5 to 35% of La3+, 1 to 30% of Nb5+, 0.5 to 15% of Ta5+, and 11 to 40% of Zn2+, the total content of B3+ and Si4+ being 20 to 50%, the total content of La3+, Gd3+ and Y3+ being 5 to 35%, the cationic ratio of ((B3++Si4+)/(La3++Gd3++Y3+)) being from 1 to 5, the total content of Ti4+, Nb5+, Ta5+ and W6+ being 10 to 35%, the cationic ratio of ((Nb5++Ta5+)/(Ti4++Nb5++Ta5++W6+)) being from 0.7 to 1, the cationic ratio of ((B3++Si4+)/(Ti4++Nb5++Ta5++W6+)) being from 0.5 to 4, the cationic ratio of ((La3++Gd3++Y3+)/(Ti4++Nb5++Ta5++W6+)) being from 0.2 to 3, the cationic ratio of Zn2+/Zn2++Mg2++Ca2++Sr2++Ba2+) being from 0.8 to 1, the optical glass having a refractive index nd of 1.89 or more and an Abbe's number ?d of 27 to 37.Type: GrantFiled: September 29, 2010Date of Patent: November 5, 2013Assignee: Hoya CorporationInventors: Tomoaki Negishi, Yasuhiro Fujiwara
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Publication number: 20130276870Abstract: A glass composition for electrode formation includes, as a glass composition expressed in terms of oxides by mass %, 73.1 to 90% of Bi2O3, 2 to 14.5% of B2O3, 0 to 25% of ZnO, 0.2 to 20% of MgO+CaO+SrO+BaO (total content of MgO, CaO, SrO, and BaO), and 0 to 8.5% of Si02+Al2O3 (total content of SiO2 and Al2O3).Type: ApplicationFiled: June 14, 2013Publication date: October 24, 2013Inventor: Kentaro ISHIHARA
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Publication number: 20130256598Abstract: Embodiments are directed to glass frits containing phosphors that can be used in LED lighting devices and for methods associated therewith for making the phosphor containing glass frit and their use in glass articles, for example, LED devices.Type: ApplicationFiled: March 28, 2013Publication date: October 3, 2013Inventors: Bruce Gardiner Aitken, Michael Edward Badding, Nicholas Francis Borrelli, Nadja Teresia Lonnroth
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Patent number: 8486536Abstract: Disclosed is a glass material for press forming providing an optical element having a sufficient optical performance without surface cracks, cloudiness, scratches, and the like even when the glass material contains a highly reactive component. Also disclosed are an optical element having a sufficient optical performance without surface cracks, cloudiness, scratches, and the like and a method for manufacturing the same. Specifically disclosed is a glass material for press forming which comprises a core portion composed of multicomponent optical glass and a surface glass layer covering at least a region serving as an optical functional surface of the core portion. The surface glass layer contains more than 90 mass % of SiO2, and the thickness of the layer is less than five nanometers. Also specifically disclosed is a method for manufacturing a glass optical element by heating the glass material and by press forming the softened glass material using a forming die.Type: GrantFiled: May 14, 2010Date of Patent: July 16, 2013Assignee: Hoya CorporationInventors: Xuelu Zou, Hiroshi Kouno, Kouichiroh Shiraishi
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Publication number: 20130161569Abstract: Provided is a glass for electrode formation, comprising, as a glass composition in terms of mass %, 65.2 to 90% of Bi2O3, 0 to 5.4% of B2O3, and 0.1 to 34.5% of MgO+CaO+SrO+BaO+ZnO+CuO+Fe2O3+Nd2O3+CeO2+Sb2O3 (total content of MgO, CaO, SrO, BaO, ZnO, CuO, Fe2O3, Nd2O3, CeO2, and Sb2O3).Type: ApplicationFiled: July 29, 2011Publication date: June 27, 2013Inventor: Kentaro Ishihara
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Publication number: 20130102454Abstract: The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In another embodiment, a glass composition may include from about 70 mol. % to about 80 mol. % SiO2; from about 3 mol. % to about 13 mol. % alkaline earth oxide; X mol. % Al2O3; and Y mol. % alkali oxide. The alkali oxide may include Na2O in an amount greater than about 8 mol. %. A ratio of Y:X may be greater than 1 and the glass composition may be free of boron and compounds of boron. In some embodiments, the glass composition may also be free of phosphorous and compounds of phosphorous. Glass articles formed from the glass composition may have at least a class S3 acid resistance according to DIN 12116, at least a class A2 base resistance according to ISO 695, and a type HGA1 hydrolytic resistance according to ISO 720.Type: ApplicationFiled: October 25, 2012Publication date: April 25, 2013Inventors: Paul Steven Danielson, Steven Edward DeMartino, Melinda Ann Drake, Robert Michael Morena, Santona Pal, Robert Anthony Schaut
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Publication number: 20130090225Abstract: 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 vd 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.Type: ApplicationFiled: September 12, 2011Publication date: April 11, 2013Inventors: Takahiro Matano, Fumio Sato
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Patent number: 8399369Abstract: An object of the present invention is to provide optical glass having improved glass-devitrification resistance and moldability without causing reduction in refractive index, and also provide an optical element using the optical glass as a raw material. Specifically, the present invention provides an optical glass containing components of, by mol %: B2O3: over 60% through 75%; Bi2O3: 24% to 39%; La2O3: 7% or lower; Gd2O3: 7% or lower; and ZrO2: 7% or lower.Type: GrantFiled: December 22, 2010Date of Patent: March 19, 2013Assignee: Sumita Optical Glass, Inc.Inventor: Yoshinori Yamamoto
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Publication number: 20130032710Abstract: A glass ceramic including an alkali metal earth oxide, e.g. SrO suitable for overmolding a RF component provides a good RF response and good mechanical robustness. Specifically, SrO reduces the flow temperature of the ceramic while maintaining the RF and mechanical performance. The resulting glass formulation contains 10-50 mol % SrO, 5-30 mol % Al2O3, and 20-60 mol % B2O3.Type: ApplicationFiled: August 1, 2011Publication date: February 7, 2013Inventor: Matt A. LASATER
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Publication number: 20120302424Abstract: An optical glass comprising, by mass %, 12 to 30% of total of B2O3 and SiO2, 55 to 80% of total of La2O3, Gd2O3, Y2O3, Yb2O3, ZrO2, Nb2O5 and WO3, 2 to 10% of ZrO2, 0 to 15% of Nb2O5, 0 to 15% of ZnO and 0% or more but less than 13% of Ta2O5, wherein the ratio of the content of Ta2O5 to the total content of La2O3, Gd2O3, Y2O3, Yb2O3, ZrO2, Nb2O5 and WO3 is 0.23 or less, the ratio of the total content of La2O3, Gd2O3, Y2O3 and Yb2O3 to the total content of B2O3 and SiO2 is from 2 to 4, the optical glass having a refractive index nd of 1.86 or more and an Abbe's number ?d of 38 or more, and a rod-shaped glass shaped material and an optical element formed of the above optical glass each.Type: ApplicationFiled: August 10, 2012Publication date: November 29, 2012Applicant: HOYA CORPORATIONInventors: Yuta KOBAYASHI, Yoichi Hachitani, Yunoshin Kanayama
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Publication number: 20120270719Abstract: 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 ?d of 29.0 to 40.0, and a glass transition temperature of less than 630° C.Type: ApplicationFiled: April 18, 2012Publication date: October 25, 2012Applicant: HOYA CORPORATIONInventor: Tomoaki NEGISHI
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Patent number: 8288299Abstract: The present invention relates to an optical glass with a high refractive index and good precision press moldability, and a preform for precision press molding and an optical element that are comprised of the optical glass. The present invention further relates to a method of manufacturing an optical element, a lens unit being equipped with an optical element and an image pickup device being equipped with a lens unit.Type: GrantFiled: February 3, 2010Date of Patent: October 16, 2012Assignee: Hoya CorporationInventors: Yasuhiro Fujiwara, Shuhei Mikami, Hiroki Takazawa
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Patent number: 8288654Abstract: A feedthrough assembly includes a ferrule, an insulating structure, at least one terminal pin and a glass seal that fixedly secures the insulating structure within the ferrule. The insulating structure has a top portion, a bottom portion, and an inner diameter portion. The inner diameter portion defines at least one aperture extending from the top portion to the bottom portion of the insulating structure. The at least one terminal pin extends through the at least one aperture. The glass seal comprises about 30% B2O3, about 30% to about 40% of a member selected from the group consisting of CaO, MgO, SrO, and combinations thereof, with the proviso that the individual amounts of CaO and MgO are each not greater than about 20%, about 5% La2O3, about 10% SiO2, and about 15% Al2O3, wherein all percentages are mole percentages.Type: GrantFiled: September 9, 2009Date of Patent: October 16, 2012Assignee: Medtronic, Inc.Inventors: William John Taylor, Brad C. Tischendorf
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Patent number: 8273672Abstract: An optical glass is provided that includes a refractive index (nd) of no less than 1.75 and an Abbe number (vd) of no less than 10 as optical constants. A Bi2O3 content is no less than 10% by weight to no more than 80% by weight. The content of SiO2 is lower than the content of B2O3. The total content of SiO2+B2O3 is from no less than 1% by weight to no more than 60% by weight. The content of RO is from no less than 0.1% by weight to no more than 50% by weight. R represents one or more elements selected from the group consisting of Zn, Ba, Sr, Ca, and Mg. The optical glass has at least one of the properties of being substantially free from opacification and/or being substantially devitrified within the glass body under the conditions of a reheating testing.Type: GrantFiled: October 22, 2009Date of Patent: September 25, 2012Assignee: Ohara Inc.Inventors: Atsushi Nagaoka, Jie Fu, Michiko Ogino
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Patent number: 8216990Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process from detrimental effects caused by exposure to aluminum.Type: GrantFiled: January 24, 2011Date of Patent: July 10, 2012Assignee: Reckitt Benckiser N.V.Inventors: Karlheinz Ulrich Gerhard Hahn, Karin Werner
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Publication number: 20120139133Abstract: A sealing glass, a sealing material, and a sealing material paste, which suppress metal deposition by reducing glass components (metal oxides) without decreasing the reactivity with and the adhesion to a semiconductor substrate. The sealing glass, contains a low temperature melting glass containing, by mass ratio: from 0.1 to 5% of at least one metal oxide selected from the group consisting of Fe, Mn, Cr, Co, Ni, Nb, Hf, W, Re, a rare earth element, and optionally Mo; and from 5 to 100 ppm by mass ratio of K2O, wherein the low temperature melting glass has a softening point of at most 430° C. The sealing material device, contains the sealing glass and an inorganic filler in an amount of from 0 to 40% by volume ratio. The sealing material paste contains a mixture of the sealing material and a vehicle.Type: ApplicationFiled: January 31, 2012Publication date: June 7, 2012Applicant: Asahi Glass Company, LimitedInventor: Hiroki TAKAHASHI
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Publication number: 20120132282Abstract: A compositional range of high strain point alkali metal free, silicate, aluminosilicate and boroaluminosilicate glasses are described herein. The glasses can be used as substrates for photovoltaic devices, for example, thin film photovoltaic devices such as CIGS photovoltaic devices. These glasses can be characterized as having strain points ?570° C., thermal expansion coefficient of from 5 to 9 ppm/° C.Type: ApplicationFiled: November 28, 2011Publication date: May 31, 2012Inventors: Bruce Gardiner Aitken, James Edward Dickinson, JR.
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Patent number: 8187986Abstract: The invention provides a novel optical glass which has a refractive index (nd) of 1.78 to 2.2 and an Abbe value (?d) of 16 to less than 40 and is suitable for precision mold press molding by virtue of its having a low glass transition temperature, namely, an optical glass which contains by mole in terms of oxides 25 to 60% B2O3, 2 to 45% (in total) TiO2 and Nb2O5 and 1 to 25% WO3 and has a refractive index (nd) of 1.78 to 2.2 and an Abbe value (?d) of 16 to less than 40. Further, the glass contains 5 to 35% La2O3 and 1 to 40% ZnO and has a glass transition temperature (Tg) of 700° C. or below. The optical glass is excellent in meltability, stability and devitrification resistance and has a high refractive index, high light-dispersive power and excellent precision press moldability.Type: GrantFiled: October 3, 2007Date of Patent: May 29, 2012Assignee: Ohara Inc.Inventor: Jie Fu
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Patent number: 8182603Abstract: Disclosed are cement compositions for applying to honeycomb bodies. The cement compositions can be applied as a plugging cement composition, segment cement, or even as after applied artificial skins or coatings. The cement compositions generally include an inorganic powder batch mixture consisting essentially of inorganic particles having a particle size greater than 100 nm. The cement compositions can further include an organic binder, a liquid vehicle, and one or more optional processing aids. Also disclosed are honeycomb bodies having the disclosed cement compositions applied thereto and methods for making same.Type: GrantFiled: November 20, 2008Date of Patent: May 22, 2012Assignee: Corning IncorporatedInventors: Anthony Joseph Cecce, Thomas James Deneka, Kintu Odinga X Early, Jeffrey Donald Roche, Patrick David Tepesch
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Publication number: 20120065051Abstract: The invention provides an optical glass for press molding 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 an excellent visible light transmittance; and (5) it has excellent resistance to devitrification during preparation of a preform. The optical glass for press molding has a refractive index nd of 1.925 or more, an Abbe's number ?d of 10 to 30, and a glass composition, in % by mass, of 20 to 80% Bi2O3, 10 to 30% B2O3, and 0 to 5.5% GeO2 and is substantially free of lead component, arsenic component, and F component.Type: ApplicationFiled: June 14, 2010Publication date: March 15, 2012Applicant: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Takahiro Matano, Fumio Sato, Yoko Usui
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Patent number: 8110513Abstract: A glass composition comprising: (A) TeO2 (50-95 mol %); (B) B2O3 (1-33 mol %); (C) ZnO (1-37 mol %); (D) Bi2O3 (1-18 mol %); (E) P2O5 (0-15 mol %); (F) R2O (0-13 mol %), where R represents at least one element selected from the group consisting of Li, Na, and K; (G) MO (0-13 mol %), where M represents at least one element selected from the group consisting of Mg, Ca, Sr, and Ba; (H) TiO2 (0-13 mol %); (I) Nb2O5 (0-10 mol %); (J) Ta2O5 (0-13 mol %); (K) L2O3 (0-11 mol %), where L represents at least one element selected from the group consisting of yttrium and lanthanoids; and (L) the total amount of P2O5, R2O, MO, TiO2, Nb2O5, Ta2O5, and L2O3 described in (E) to (K), respectively, is 0-15 mol %.Type: GrantFiled: June 24, 2008Date of Patent: February 7, 2012Assignee: Nikon CorporationInventors: Motoi Ueda, Takashi Ozawa, Kiyoaki Shinohara
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Publication number: 20120028785Abstract: The invention provides a novel optical glass which has a refractive index (nd) of 1.78 to 2.2 and an Abbe value (?d) of 16 to less than 40 and is suitable for precision mold press molding by virtue of its having a low glass transition temperature, namely, an optical glass which contains by mole in terms of oxides 25 to 60% B2O3, 2 to 45% (in total) TiO2 and Nb2O5 and 1 to 25% WO3 and has a refractive index (nd) of 1.78 to 2.2 and an Abbe value (?d) of 16 to less than 40. Further, the glass contains 5 to 35% La2O3 and 1 to 40% ZnO and has a glass transition temperature (Tg) of 700° C. or below. The optical glass is excellent in meltability, stability and devitrification resistance and has a high refractive index, high light-dispersive power and excellent precision press moldability.Type: ApplicationFiled: September 30, 2011Publication date: February 2, 2012Applicant: OHARA INC.Inventor: Jie Fu
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Patent number: 8097576Abstract: The present invention provides a composition. The composition comprises zinc and bismuth. The composition is for use in the protection of glassware in an automatic dishwashing process.Type: GrantFiled: January 24, 2011Date of Patent: January 17, 2012Assignee: Reckitt Benckiser N.V.Inventor: Karlheinz Ulrich Gerhard Hahn
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Publication number: 20110303883Abstract: A glass composition for electrode formation includes, as a glass composition expressed in terms of oxides by mass %, 60 to 90% of Bi2O3, 2 to 25% of B2O3, 0 to 25% of ZnO, 0.01 to 20% of MgO+CaO+SrO+BaO, and 0 to 25% of SiO2.Type: ApplicationFiled: February 23, 2010Publication date: December 15, 2011Inventor: Kentaro Ishihara
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Patent number: 8072144Abstract: A plasma display panel is disclosed. The plasma display panel includes a front substrate on which a scan electrode and a sustain electrode are positioned, a first black layer positioned between the scan electrode and the front substrate and between the sustain electrode and the front substrate, a rear substrate on which an address electrode is positioned to intersect the scan electrode and the sustain electrode, and a barrier rib that is positioned between the front substrate and the rear substrate to partition a discharge cell. The first black layer includes cobalt (Co) material and ruthenium (Ru) material. The barrier rib including lead (Pb) equal to or less than 1,000 ppm (parts per million).Type: GrantFiled: January 16, 2008Date of Patent: December 6, 2011Assignee: LG Electronics Inc.Inventors: Gibum Lee, Jihoon Lee, Seongnam Ryu, Jongmun Yang, Myongsoon Jung, Jain Goo, Jeonghyun Hahm, Hyeonjae Lee, Jinyoung Kim
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Patent number: 8067321Abstract: Potassium-containing polyphosphate glasses having a relatively high amount of potassium and a relatively low level of insoluble material (e.g., less than about 10% by weight), and a method for their production that includes using a boron-containing glass-former additive. More specifically, these polyphosphate glasses may be described according to the formula M(n+2)O(PO3)n, where M is at least K or K+Na and the glasses have a mole % M-as-K that is about 33 to 100. These polyphosphate glasses may be used in reduced sodium foods (e.g., beverages and meat products).Type: GrantFiled: May 21, 2008Date of Patent: November 29, 2011Assignee: ICL Performance Products, LPInventor: David Richard Gard
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Patent number: 8058196Abstract: The present invention provides optical glasses containing Bi2O3 in which the optical glasses have at least one of the properties of being substantially free from opacification and being substantially devitrified within the glass body during reheating steps in production processes, superior chemical durability, and free from black coloring. The optical glass has a refractive index (nd) of no less than 1.75 and an Abbe number (?d) of no less than 10 as optical constants. The optical glass contains Bi2O3 in a content from no less than 10% by weight to less than 90% by weight, and has at least one of the properties of being substantially free from opacification and being substantially devitrified within the glass body under the conditions of a reheating test (a).Type: GrantFiled: September 1, 2006Date of Patent: November 15, 2011Assignee: Ohara Inc.Inventors: Atsushi Nagaoka, Jie Fu, Michiko Ogino
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Patent number: 8053384Abstract: A glass composition being suitable for precision mold press forming, having superior resistance to devitrification, having optical constants (a refractive index, an Abbe number, and the like) required for aspherical lenses, and a low glass transition temperature. There is provided an optical glass comprising no less than 5 mol % and no more than 60 mol % of a B2O3 component, and no less than 0.2 mol % and no more than 60 mol % of a TeO2 component, by mol % on the basis of oxides. Further, there is provided an optical glass mentioned above having optical constants with a refractive index (nd) of 1.80 to 2.20, and an Abbe number (?d) of 16 to 40. Still further, there is provided an optical glass mentioned above having a glass transition temperature (Tg) of no more than 680° C.Type: GrantFiled: April 2, 2008Date of Patent: November 8, 2011Assignee: Ohara Inc.Inventor: Jie Fu
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Patent number: 7998891Abstract: Optical glass having a refractive index (nd) of 1.85 or greater, and an Abbe number (?d) falling within the range of 10 to 30, which is suited for molding by precision mold press is provided. The optical glass is characterized by including B2O3+SiO2 in an amount of 3 to 60%, Bi2O3 in an amount of 25 to 80%, RO+Rn2O in an amount of 5 to 60% (wherein R represents one or more selected from a group consisting of Zn, Ba, Sr, Ca, and Mg; and Rn represents one or more selected from a group consisting of Li, Na, K, and Cs), with each component in the range expressed in oxide-based mole percentage, and is characterized in that transparency in the visible region is high, and that the transition point (Tg) is 480° C. or lower. The optical glass is characterized by having a spectral transmittance of 70% or greater at a wavelength of 600 nm for a thickness of 10 mm.Type: GrantFiled: April 27, 2006Date of Patent: August 16, 2011Assignee: Ohara Inc.Inventor: Jie Fu
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Publication number: 20110160032Abstract: An object of the present invention is to provide optical glass having improved glass-devitrification resistance and moldability without causing reduction in refractive index, and also provide an optical element using the optical glass as a raw material. Specifically, the present invention provides an optical glass containing components of, by mol %: B2O3: over 60% through 75%; Bi2O3: 24% to 39%; La2O3: 7% or lower; Gd2O3: 7% or lower; and ZrO2: 7% or lower.Type: ApplicationFiled: December 22, 2010Publication date: June 30, 2011Inventor: Yoshinori Yamamoto
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Publication number: 20110135931Abstract: Provided is a glass composition for electrode formation including, as a glass composition expressed in terms of oxides by mass %, 73.1 to 90% of Bi2O3, 2 to 14.5% of B2O3, 0 to 25% of ZnO, 0.2 to 20% of MgO+CaO+SrO+BaO (total content of MgO, CaO, SrO, and BaO) , and 0 to 8.5% of SiO2+Al2O3 (total content of SiO2 and Al2O3).Type: ApplicationFiled: September 1, 2009Publication date: June 9, 2011Inventor: Kentaro Ishihara
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Publication number: 20110124485Abstract: A glass composition being suitable for precision mold press forming, having superior resistance to devitrification, having optical constants (a refractive index, an Abbe number, and the like) required for aspherical lenses, and a low glass transition temperature. There is provided an optical glass comprising 5 mol % to 60 mol % of a B2O3 component, and 0.2 mol % to 60 mol % of a TeO2 component, by mol % on the basis of oxides. Further, there is provided an optical glass mentioned above having optical constants with a refractive index (nd) of 1.80 to 2.20, and an Abbe number (?d) of 16 to 40. Still further, there is provided an optical glass mentioned above having a glass transition temperature (Tg) of no more than 680° C.Type: ApplicationFiled: January 19, 2011Publication date: May 26, 2011Applicant: OHARA INC.Inventor: Jie FU
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Patent number: 7947617Abstract: To provide a high-refractivity high-dispersion optical glass having excellent stability An optical glass which is formed of an oxide glass containing 30 to 70 cationic % of Bi3+ and has a liquidus temperature of 800° C. or lower.Type: GrantFiled: August 5, 2008Date of Patent: May 24, 2011Assignee: Hoya CorporationInventors: Xuelu Zou, Yasuhiro Fujiwara, Yoshio Nojima
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Patent number: 7943540Abstract: An optical glass for precision molding having a high refractive index (nd) and a low yield temperature (At). The optical glass comprises, as glass components in wt %, 64 to 83% of Bi2O3; 4 to 17% of B2O3; 0 to 12% of GeO2 (wherein the total of B2O3 and GeO2 is 10 to 20%); 0 to 7% of La2O3; 0 to 7% of Gd2O3 (wherein the total of La2O3 and Gd2O3 is 1 to 13%); 0 to 4% of ZrO2; 0 to 5% of Ta2O5; 0 to 15% of ZnO; 0 to 2% of Sb2O3; and 0 to 1% of In2O3. The optical glass has optical constants, that is, a refractive index (nd) of 2.05 to 2.25 and an Abbe number (vd) of 15 to 22, and a yield temperature (At) of 510° C. or less.Type: GrantFiled: October 5, 2007Date of Patent: May 17, 2011Assignee: Sumita Optical Glass, Inc.Inventor: Yoshinori Yamamoto
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Patent number: 7939483Abstract: Water-soluble glass as corrosion protector in dishwashing machines A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P2O5, 10 to 30 mole % of alkali oxides, up to 5 mole % of SO3 and up to 25 mole % of ZnO.Type: GrantFiled: March 31, 2010Date of Patent: May 10, 2011Assignee: Reckitt Benckiser N.V.Inventor: Karlheinz Ulrich Gerhard Hahn
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Patent number: 7910507Abstract: There is provided a glass ceramic material for plasma display, in which glass fine grains (A) having a softening point of 570-640° C. are in 40-70 wt %, and glass fine grains (B) having a softening point of 480-540° C. are in 30-60 wt %, the glass ceramic material for plasma display being characterized in that the glass fine grains (A) comprise 2-12 wt % of SiO2, 50-58 wt % of B2O3, 10-20 wt % of Al2O3, 0-6 wt % of ZnO, 0-2.8 wt % of Li2O, and 10-22 wt % of at least one selected from MgO, CaO, SrO and BaO and that refractive index of the glass fine grains (A) is 1.53-1.56.Type: GrantFiled: December 20, 2007Date of Patent: March 22, 2011Assignee: Central Glass Company, LimitedInventors: Kazuhiro Nishikawa, Koji Tominaga
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Publication number: 20110065564Abstract: The invention provides a novel optical glass which has a refractive index (nd) of 1.78 to 2.2 and an Abbe value (?d) of 16 to less than 40 and is suitable for precision mold press molding by virtue of its having a low glass transition temperature, namely, an optical glass which contains by mole in terms of oxides 25 to 60% B2O3, 2 to 45% (in total) TiO2 and Nb2O5 and 1 to 25% WO3 and has a refractive index (nd) of 1.78 to 2.2 and an Abbe value (?d) of 16 to less than 40. Further, the glass contains 5 to 35% La2O3 and 1 to 40% ZnO and has a glass transition temperature (Tg) of 700° C. or below. The optical glass is excellent in meltability, stability and devitrification resistance and has a high refractive index, high light-dispersive power and excellent precision press moldability.Type: ApplicationFiled: October 3, 2007Publication date: March 17, 2011Inventor: Jie Fu
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Patent number: 7867934Abstract: Optical glass containing bismuth oxide having good defoamability. The Optical glass contains, as % by mass, from 10 to less than 90% of a Bi2O3 component and at least 0.1% of a TeO2 and/or SeO2 component. The optical glass is on Grade 4 to Grade 1 in “JOGIS12-1994, Method for Measuring Bubbles in Optical Glass”. By controlling the amount of RO component (R is at least one selected from a group consisting of Zn, Ba, Sr, Ca, Mg) and Rn2O component (Rn?Li, Na, K, Cs), the clarifying time may be shortened.Type: GrantFiled: October 22, 2007Date of Patent: January 11, 2011Assignee: Ohara, Inc.Inventor: Atsushi Nagaoka
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Publication number: 20100310856Abstract: Embodiments relate to a transparent body comprising a matrix material and a plurality of non-metal particles positioned in the matrix material. The matrix material may be selected from the group consisting of glass materials, ceramic materials, and semiconductor materials. The non-metal particles may have a mean particle size of no greater than 150 nm. The non-metal particles may be present in the body at a volume fraction of no greater than 3 percent. The non-metal particles may have a composition different than that of the matrix. Other embodiments are described and claimed.Type: ApplicationFiled: June 4, 2010Publication date: December 9, 2010Inventor: Stephen W. Freiman
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Patent number: 7749929Abstract: Glass for covering electrodes, which consists essentially of, as represented by mol % based on the following oxides, from 25 to 60% of B2O3, from 0 to 18% of SiO2, from 0 to 60% of ZnO, from 0 to 18% of BaO, from 3 to 15% of Bi2O3 and from 0 to 10% of Al2O3, and contains no PbO.Type: GrantFiled: September 29, 2006Date of Patent: July 6, 2010Assignee: Asahi Glass Company, LimitedInventors: Masamichi Tanida, Tomoyuki Fukahori
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Patent number: 7741236Abstract: A zinc and bismuth containing, water-soluble glass composition comprising from 10 to 75 mole % P2O5, 5-50 mole % alkali metal oxide, up to 40 mole % ZnO and up to 40 mole % Bi2O3.Type: GrantFiled: May 29, 2009Date of Patent: June 22, 2010Assignee: Reckitt Benckiser N.V.Inventors: Karlheinz Ulrich Gerhard Hahn, Karin Werner