Abstract: Phosphate glasses and glass-ceramics exhibit a positive percent kill as measured by United States EPA Test Method for Efficacy of Copper Alloy Surfaces as a Sanitizer and/or have a CIELAB L* value below 35, CIELAB a* and b* values within 5 of zero.

Abstract: Disclosed herein are glasses that present several advantages over traditional glass compositions used in optical applications. The glasses disclosed herein have a low devitrification tendency and can be processed by melt quenching and formed into macroscopic components. The glasses have high glass thermal stability indices and are chemically durable. The glasses disclosed herein are transparent when heat treated in air or oxygen and have high refractive indices and low density, as well, making them suitable for optical applications.

Abstract: Disclosed herein are TiNb-phosphate glasses that present several advantages over traditional Ti-phosphate glass compositions. The glasses disclosed herein have a low devitrification tendency and can be processed by melt quenching and formed into macroscopic components. Despite the presence of niobium, the glasses have high stability indices and are chemically durable. The glasses disclosed herein are transparent and have high refractive indices, as well, making them suitable for optical applications.

Abstract: The invention relates to a filter glass comprising Na2O and K2O and the following (in % by weight on an oxide basis): P2O5 58-68? Al2O3 5-10 CuO 8-15 V2O5 0.05-1??? SiO2 <2 F <1 Total R?O (R? = Mg, Ca, Sr, Ba) 0-11 Total R2O (R = Li, Na, K) ?3-17.

Abstract: Provided is a novel infrared-transmitting glass that can be vitrified without containing any environmentally harmful compound and has high light transmissivity from visible range to a mid-infrared range of wavelengths of about 4 to about 8 ?m. An infrared-transmitting glass containing, in % by mole, 50% or more TeO2, 0 to 45% (exclusive of 0%) ZnO, and 0 to 50% (exclusive of 0% and 50%) RO (where R is at least one selected from the group consisting of Ca, Sr, and Ba).

Abstract: An aspect of the present invention relates to optical glass, wherein, in a glass composition based on oxides, a content of P2O5 is in the range of 20˜34 weight %; a content of B2O3 is over 0 weight % but 10 weight % or less; a weight ratio (B2O3/P2O5) is over 0 but less than 0.39; a weight ratio [TiO2/(TiO2+Nb2O5+WO3+Bi2O3+Ta2O5)] is in the range of 0.059˜0.180; and a weight ratio [(P2O5+B2O3+SiO2)/(Na2O+K2O+Li2O)] is in the range of 1.39˜1.80, the optical glass having a refractive index nd of 1.78˜1.83, and an Abbe's number vd of 20˜25.

Abstract: A glass composition according to the present invention comprises: transition metals; phosphorus; barium; and zinc, the transition metals including: vanadium; and tungsten and/or iron, the glass composition not containing substances included in the JIG level A and B lists, an softening point of the glass composition being from 430 to 530° C., an average linear expansion coefficient of the glass composition being from 6 to 9 ppm/° C. at temperatures from 30 to 250° C.

Abstract: The present application provides a glass composition comprising 10-50% by weight CaO, at least 15% and less than 50% by weight P2O5, less than 3% by weight Al2O3, less than 10% by weight Li2O, Na2O, and K2O combined, and 0-60% by weight of SrO, MgO, BaO, ZnO, or combinations thereof; dental compositions comprising the glass composition, and methods of making and using such dental compositions.

Abstract: This optical glass contains, as represented by mol %, 18 to 38% P2O5, 0 to 15% B2O3, 23 to 40% P2O5+B2O3, 4 to 28% Nb2O5, 0 to 20% TiO2, 10 to 30% Nb2O5+TiO2, 15 to 35% Li2O+Na2O+K2O, and 21 to 38% ZnO, but does not contain BaO, WO3, Bi2O3 or SiO2, and the ratio of the mol % of ZnO to the total mol % of Li2O+Na2O+K2O (i.e., ZnO/(Li2O+Na2O+K2O)) is 0.8 to 2.0.

Abstract: An antimony-free glass suitable for use in a frit for producing a hermetically sealed glass package is described. The hermetically sealed glass package, such as an OLED display device, is manufactured by providing a first glass substrate plate and a second glass substrate plate and depositing the antimony-free frit onto the first substrate plate. OLEDs may be deposited on the second glass substrate plate. An irradiation source (e.g., laser, infrared light) is then used to heat the frit which melts and forms a hermetic seal that connects the first glass substrate plate to the second glass substrate plate and also protects the OLEDs. The antimony-free glass has excellent aqueous durability, good flow, low glass transition temperature and low coefficient of thermal expansion.

Abstract: A lithium-ion conductive glass-ceramic article has a crystalline component characterized by the formula MA2(XO4)3, where M represents one or more monovalent or divalent cations selected from Li, Na and Zn, A represents one or more trivalent, tetravalent or pentavalent cations selected from Al, Cr, Fe, Ga, Si, Ti, Ge, V and Nb, and X represents P cations which may be partially substituted by B cations.

Abstract: A glass composition according to the present invention comprises: phosphorus, vanadium and at least one transition metal selected from a group consisting of tungsten, iron, and manganese, the glass composition not containing substances included in the JIG level A and B lists, a softening point of the glass composition being 550° C. or lower.

Abstract: The invention including phosphate optical glass with refractivity ranging from 1.93 to 1.95 and the Abbe number ranging from 16 to 19, with a low liquidus temperature. The phosphate optical glass, including: 5 to 25 wt % of NaPO3, 1 to 20 wt % of KPO3, 2 to 15 wt % of P2O5, 0 to 5 wt % of BaO, 0 to 10 wt % of Ba(PO3)2, more than 0 but less than 2 wt % of B2O3, 5 to 25 wt % of TiO2, 35 to 55 wt % of Nb2O5, and 0 to 5 wt % of SiO2. Refractivity of phosphate optical glass can reach 1.93 to 1.95, the Abbe number can reach 16 to 19, the liquidus temperature is below 1,120° C., the processing property during melting is good, the glass surface is unlikely to be devitrified during the processing of the glass, and can be formed easily.

Abstract: This optical glass contains, as represented by mol %, 18 to 38% P2O5, 0 to 15% B2O3, 23 to 40% P2O5+B2O3, 4 to 28% Nb2O5, 0 to 20% TiO2, 10 to 30% Nb2O5+TiO2, 15 to 35% Li2O+Na2O+K2O, and 21 to 38% ZnO, but does not contain BaO, WO3, Bi2O3 or SiO2, and the ratio of the mol % of ZnO to the total mol % of Li2O+Na2O+K2O (i.e., ZnO/(Li2O+Na2O+K2O)) is 0.8 to 2.0.

Abstract: An optical glass in the form of an oxide glass, characterized by comprising, denoted as cation percentages: P5+ 14 to 36%; Bi3+ 12 to 34%; Nb5+ 12 to 34%; Ti4+ 5 to 20%; and W6+ 0 to 22%; wherein the total content of Bi3+, Nb5+, Ti4+, and W6+ is equal to or greater than 50%; and in that the Knoop hardness is equal to or higher than 370, the refractive index nd is equal to or higher than 2.02, and the Abbé number vd is equal to or lower than 19.0. A glass material for press molding and an optical element comprised of this optical glass. A method for manufacturing a glass material for press molding comprising the step of mechanically processing this optical glass.

Abstract: A low softening point glass composition, which is substantially free from lead, bismuth and antimony and comprises oxides of vanadium, phosphorous, tellurium and iron, a softening point of the composition being 380° C. or lower.

Abstract: The present invention relates to an optical element comprising: a optical glass made of a phosphate glass or a fluorophosphate glass; and an optically functional film formed on a surface of the optical glass, wherein the optically functional film comprises two or more layers made of different materials, and the outermost surface layer thereof is made of a material(s) having low reactivity with phosphoric acid.

Abstract: An optical glass having ultrahigh refractive index and high dispersion characteristics in the form of a refractive index nd exceeding 2.05 and an Abbe number vd of 18.5 or lower and of permitting the stable production of high-quality glass from a glass melt; and a glass material for press molding and an optical element comprised of the optical glass. The optical glass is in the form of an oxide glass and comprises, denoted as cationic percentages: 16 to 35% of P5+, 14 to 35% of Bi3+, 10 to 33% of Nb5+, 0 to 18% of Ti4+, and 0 to 20% of W6+; the total content of Bi3+, Nb5+, Ti4+, and W6+ being 55% or higher; the refractive index and exceeding 2.05; and the Abbe number vd being 18.5 or lower.

Abstract: 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.

Abstract: A lead-tellurium-lithium-titanium-oxide glass composition is useful as a component of a conductive silver paste. Especially useful are P-containing and V-containing lead-tellurium-lithium-titanium-oxide glass composition. Conductive silver via paste comprising particulate conductive silver and any of the lead-tellurium-lithium-titanium-oxide glass compositions of the invention can be used in providing the metallization of the holes in the silicon wafers of MWT solar cells. The result is a metallic electrically conductive via between the collector lines on the front side and the emitter electrode on the back-side of the solar cell. The paste can also be used to form the collector lines on the front-side of the solar cell and the emitter electrode on the back-side of the solar cell.

Abstract: An abrasive article including a material including an abrasive material and a filler material having an average negative coefficient of thermal expansion (CTE) within a range of temperatures between about 70 K to about 1500 K.

Abstract: The invention relates to aluminophosphate-based glasses suitable for use as a solid laser medium, which further contains SiO2 and B2O3. The laser glasses possess desirable figure of merit values for FOMTM and FOMlaser, as described herein.

Abstract: 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.

Abstract: A low softening point glass composition, which is substantially free from lead, bismuth and antimony and comprises oxides of vanadium, phosphorous, tellurium and iron, a softening point of the composition being 380° C. or lower.

Abstract: The present invention provides a glass composition and a light extracting member using the same, where the glass composition does not substantially contain a lead oxide and an alkali metal oxide and has a glass transition temperature of 530° C. or less and acid resistance property. The present invention relates to an alkali-free cover glass composition which does not substantially contain a lead oxide and an alkali metal oxide; has a refractive index (nd) of 1.7 to 2.3; has a glass transition temperature of 530° C. or less; has a dissolution depth of less than 1.3 ?m as measured by an acid dipping weight loss measurement method; and contains 8 to 25% of Nb2O5 in terms of mol % on the basis of an oxide thereof.

Abstract: A P2O5—BaO—ZnO—Nb2O5 type optical glass contains 25-50 wt. % P2O5, 15-35 wt. % BaO, 1-25 wt. ZnO, and 3-10 wt. % Nb2O5. The optical glass has a high refractive index (particularly preferably the refractive index nd of 1.6 or more), low dispersion (an Abbe number ?d of 42 or more), a low deformation point, and improved resistance to devitrification upon molding, and is suitable for precision-mold press molding or other molding processes and also suitable for transfer of a fine structure.

Abstract: A glass composition having high refractive index, softening property at low temperature and small average thermal expansion coefficient, and a member provided with the composition on a substrate, are provided. The glass composition of the present invention has a refractive index (nd) of from 1.88 to 2.20, a glass transition temperature (Tg) of from 450 to 490° C., and an average thermal expansion coefficient at temperatures from 50° C. to 300° C. (?50-300) of from 60×10?7/K to 90×10?7/K, and includes Bi2O3 in an amount of from 5 to 25% in terms of mol % on the basis of oxides.

Abstract: A glass composition substantially free from lead and bismuth and containing vanadium oxide and phosphor oxide as main ingredients, wherein the sintered glass of the glass composition exhibits 109 ?cm or more at 25° C.

Abstract: An optical glass includes, by mass: 38 to 55% of P2O5; 1 to 10% of Al2O3; 0 to 5.5% of B2O3; 0 to 4% of SiO2; 3 to 24.5% of BaO; 0 to 15% of SrO; 1 to 10% of CaO; 0.5 to 14.5% of ZnO; 1 to 15% of Na2O; 1 to 4% of Li2O; 0 to 4.5% of K2O; 0 to 0.4% of TiO2; and 0 to 5% of Ta2O5, in which BaO+SrO+CaO+ZnO falls within a range of 25 to 39%, Na2O+Li2O+K2O falls within a range of 5 to 20%, Al2O3+SiO2+CaO+Ta2O5 falls within a range of 9 to 18% and P2O5+B2O3+Al2O3+SiO2+BaO+SrO+CaO+ZnO+Na2O+Li2O+K2O+TiO2+Ta2O5 is equal to 98% or more.

Abstract: An optical glass in the form of an oxide glass, characterized by comprising, denoted as cation percentages: P5+ 14 to 36%; Bi3+ 12 to 34%; Nb5+ 12 to 34%; Ti4+ 5 to 20%; and W6+ 0 to 22%; wherein the total content of Bi3+, Nb5+, Ti4+, and W6+ is equal to or greater than 50%; and in that the Knoop hardness is equal to or higher than 370, the refractive index nd is equal to or higher than 2.02, and the Abbé number vd is equal to or lower than 19.0. A glass material for press molding and an optical element comprised of this optical glass. A method for manufacturing a glass material for press molding comprising the step of mechanically processing this optical glass.

Abstract: 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.

Abstract: The present invention relates to an optical glass containing, in terms of mass % on an oxide basis, P2O5: from 10 to 18%; Bi2O3: from 37 to 64%; Nb2O5: from 5 to 25%; Na2O: from more than 4.1 to 10%; K2O: from 0 to 2%; Li2O: from 0 to 0.2%; WO3: from 0 to less than 20%; TiO2: from 0 to 3%; and B2O3: from 0 to 2%, and having a refractive index nd of 1.98 or more and an Abbe's number ?d of 20 or less.

Abstract: An antimony-free glass suitable for use in a frit for producing a hermetically sealed glass package is described. The hermetically sealed glass package, such as an OLED display device, is manufactured by providing a first glass substrate plate and a second glass substrate plate and depositing the antimony-free frit onto the first substrate plate. OLEDs may be deposited on the second glass substrate plate. An irradiation source (e.g., laser, infrared light) is then used to heat the frit which melts and forms a hermetic seal that connects the first glass substrate plate to the second glass substrate plate and also protects the OLEDs. The antimony-free glass has excellent aqueous durability, good flow, low glass transition temperature and low coefficient of thermal expansion.

Abstract: The disclosed is an optical glass having ultrahigh refractive index and high dispersion characteristics in the form of a refractive index nd exceeding 2.05 and an Abbe number vd of 18.5 or lower and of permitting the stable production of high-quality glass from a glass melt; and a glass material for press molding and an optical element comprised of the optical glass. The optical glass is in the form of an oxide glass and comprises, denoted as cationic percentages, 16 to 35% of P5+, 14 to 35% of Bi3+, 10 to 33% of Nb5+, 0 to 18% of Ti4+, and 0 to 20% of W6+; the total content of Bi3+, Nb5+, Ti4+, and W6+ being 55% or higher; the refractive index nd exceeding 2.05; and the Abbe number vd being 18.5 or lower.

Abstract: 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.

Abstract: The lead- and arsenic-free optical glass has a refractive index nd of 1.55?nd?1.64, an Abbe number ?d of 42??d?65, and a low transition temperature Tg?460° C., good producibility and processability, and crystallization stability. The optical glass has a composition within the following range, in wt. % based on oxide content: P2O5 40-58 ZnO 20-34 Li2O 0.5-5?? GeO2 0.1-11. The glass may also have a total content of SiO2, B2O3 and Al2O3 that is less than 9 wt. %. The glass may contain MgO, SrO, CaO and BaO, but the sum of these oxides is preferably at least 2 wt. % and at most 12 wt. %. The glass may contain at most 5 wt. % of each of La2O3, TiO2, Nb2O5, at most 2 wt. % Ta2O5 and less than 1 wt. % fluorine.

Abstract: A glass composition according to the present invention comprises: phosphorus, vanadium and at least one transition metal selected from a group consisting of tungsten, iron, and manganese, the glass composition not containing substances included in the JIG level A and B lists, a softening point of the glass composition being 550° C. or lower.

Abstract: The invention relates to aluminophosphate-based glasses suitable for use as a solid laser medium, which further contains SiO2 and B2O3. The laser glasses possess desirable figure of merit values for FOMTM and FOMlaser, as described herein.

Abstract: The lead-free and fluorine-free optical glass has a refractive index of 1.60?nd?1.64 and an Abbe number of from 56?vd?64, a transformation temperature less than or equal to 590° C., can be precise pressed and is stable to cystallization. The glass has the following, composition (in weight-% based on oxide content. P2O5, 26-35; B2O3, 10-15; Al2O3, 5.5-10; BaO, 25-37; SrO, 0-6; CaO, 8-15; ZnO, 3-10; Bi2O3, 0-8; Na2O, 0-2; K2O, 0-2; WO3, 0-10; La2O3, 0-2; Nb2O5, 0-1; TiO2,0-<1; ? alkaline earth metal oxides ?40; ? alkali metal oxides, 0-2 and at least one fining agent, 0-0.5.

Abstract: Disclosed are the use of phosphate-based glasses as a solid state laser gain medium, in particular, the invention relates to broadening the emission bandwidth of rare earth ions used as lasing ions in a phosphate-based glass composition, where the broadening of the emission bandwidth is believed to be achieved by the hybridization of the glass network.

Abstract: 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.

Abstract: 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.

Abstract: Transition metal doped Sn phosphate glass compositions and methods of making transition metal doped Sn phosphate glass compositions are described which can be used for example, in sealing applications.

Abstract: Preforms for precision press molding made of optical glass, optical elements, and methods of manufacturing the same are provided. The preforms are suited to precision press molding having a broad range of dispersion characteristics, a low glass transition temperature, a low sag point, and good resistance to devitrification while containing no PbO. The optical element is obtained by precision press molding the preform. One example of the preform has a refractive index (nd) of greater than or equal to 1.7 and an Abbé number (?d) of less than or equal to 32. The other example of the preform has an Abbé number (?d) exceeding 32.

Abstract: A glass composition having high refractive index, softening property at low temperature and small average thermal expansion coefficient, and a member provided with the composition on a substrate, are provided. The glass composition of the present invention has a refractive index (nd) of from 1.88 to 2.20, a glass transition temperature (Tg) of from 450 to 490° C., and an average thermal expansion coefficient at temperatures from 50° C. to 300° C. (?50-300) of from 60×10?7/K to 90×10?7/K, and includes Bi2O3 in an amount of from 5 to 25% in terms of mol % on the basis of oxides.

Abstract: Methods of melt spinning to make amorphous and ceramic materials.

Abstract: A bonding glass containing V2O5: 25 to 50 wt %, TeO2: 20 to 40 wt % and BaO: 5 to 30 wt %, and not containing lead.

Abstract: An optical glass includes, based on the total weight of the optical glass: not less than 35 weight percent and less than 45 weight percent of P2O5; not less than 0.5 weight percent and less than 10 weight percent of B2O3; 0 to 16 weight percent of Al2O3; 0 to 2.5 weight percent of SiO2; 0 to 26 weight percent of BaO; 0 to 20 weight percent of SrO; 23 to 49 weight percent of ZnO; more than 6 weight percent and not more than 20 weight percent of CaO; 0 to 16 weight percent of MgO; not less than 0 weight percent and less than 1 weight percent of Li2O; 3 to 19 weight percent of Na2O; and 0 to 20 weight percent of K2O, where the total weight of BaO, SrO, ZnO, CaO, and MgO and the total weight of Li2O, Na2O and K2O are predetermined amounts.

Abstract: The present invention relates to the use of lead-free and phosphate-containing glasses, preferably colored and filter glasses which absorb light in the infrared region (IR-region), in a precision molding process. Preferably, the content of fluorine in the glass is low. Advantageously, so optical constituents can be produced without finishing, such as for example lenses for digital cameras. By the use according to the present invention, also other optical constituents can be produced which can be directly used for a corresponding technical purpose. For an advantageous use, the optical constituents produced by precision molding can be used in the fields imaging, projection, telecommunications, optical communications engineering and laser technology.

Abstract: Preforms for precision press molding made of optical glass, optical elements, and methods of manufacturing the same are provided. The preforms are suited to precision press molding having a broad range of dispersion characteristics, a low glass transition temperature, a low sag point, and good resistance to devitrification while containing no PbO. The optical element is obtained by precision press molding the preform. One example of the preform has a refractive index (nd) of greater than or equal to 1.7 and an Abbé number (vd) of less than or equal to 32. The other example of the preform has an Abbé number (vd) exceeding 32.