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7638450 Lead and arsenic free optical lanthanum borate glass  
The lead-free, fluorine-free and arsenic-free optical glass, which is useful in mapping, projection, telecommunication, optical communication engineering, and mobile drive and laser technology, has...
7638449 Optical glass  
This invention provides an optical glass including, by mass %: 30 to 40% of B 2 O 3 ; 2.5 to 6% of Li 2 O; 10 to 17% of ZnO; 12 to 22% of La 2 O 3 ; 15 to 25% of Gd 2 O 3 ; 0 to 5% of SiO 2 ; 0 to...
7622409 Optical glass, precision press-molding preform, process for production thereof, optical element and process for the production thereof  
Provided is an optical glass having high-refractivity low-dispersion properties, having a low glass transition temperature and having the property of being softened at a low temperature so that a...
7605100 Lead and arsenic free optical hard crown glasses  
The present invention relates to lead and arsenic free optical hard crown glasses with a low transformation temperature (Tg≦520° C.), characterized by their optical range with a refractive index...
7605099 Optical glasses and their uses  
The optical glass has an index of refraction (n d ) greater than or equal to 1.70, an Abbé number (ν d ) greater than or equal to 35 and a density (ρ) less than or equal to 4.5 g/cm 3 . Optical...
7598192 Optical glass  
The invention relates to optical glasses intended for the application fields of imaging, sensors, microscopy, medical technology, digital projection, photolithography, laser technology, wafer/chip...
7598193 Optical glass, glass gob for press-molding, optical part, process for producing glass shaped material and process for producing optical part  
An optical glass having a high light transmittance, a high refractive index and excellent production stability, which contains at least one of CaO and SrO together with SiO 2 , B 2 O 3 , La 2 O 3 ,...
7576020 Optical glass, precision press-molding preform, process for the production of the preform, optical element and process for the production of the optical element  
Provided is an optical glass for precision press-molding is free from degradations in product quality caused by a surface altered layer such as fogging, browning, etc., and a precision...
7572747 Optical glass  
An optical glass consisting essentially of B 2 O 3 in an amount of 10-40 wt %, SiO 2 in an amount less than or equal to 5 wt %, ZnO in an amount less than or equal to 15 wt %, SrO in an amount...
7569505 Method for producing an electronic component passivated by lead free glass  
The invention relates to a method for the production of glass-coated electric components, wherein the components are, inter alia, passivated by the application of the glass. The lead-free glass...
7521387 Alkali-free composite sealant materials for solid oxide fuel cells  
A sealant composition for use in sealing solid oxide fuel cells is provided which comprises a glass component which comprises a mixture of alkali-free inorganic oxides, and an optional filler...
7514093 Vitreous antimicrobial agent and antimicrobial product  
A vitreous antimicrobial agent that can exhibit excellent antimicrobial properties when added to various types of resins, that has excellent discoloration resistance and hot water resistance, and...
7501369 Optical glass and process for the production of optical products  
An optical glass having high-refractivity and low-dispersion optical properties and having a low glass transition point so that a heat-treating furnace can be operated for a long period of time....
7501001 Abrasive particles, and methods of making and using the same  
Abrasive particles and methods of making the same. Embodiments of the invention can be used to make abrasive particles. The abrasive particles can be incorporated into a variety of abrasive...
7491667 Optical glass, precision press-molding preform, process for producing the preform, optical element and process for producing the optical element  
Provided are optical glasses having a refractive index (nd) of over 1.82 but not more than 1.86 and an Abbe's number (νd) of 30 to 39.5 and having the property of low-temperature softening that...
7490485 Optical glass, press-molding glass gob and optical element  
An optical glass whose refractive index is high and whose coloring is decreased comprising, by weight %, 2 to 45% of B 2 O 3 , 0 to 30% of SiO 2 provided that the content of B 2 O 3 >the...
7482296 Aluminoborosilicate glass and method for the production of crystallite-free gradient index lenses  
The invention is directed to an aluminoborosilicate glass containing alkali metals for the production of optical components with refractive index gradients which are generated by ion exchange of...
7468338 Optical glass, press-molding preform and optical part  
A high-refractivity low-dispersion optical glass that gives press-molding preforms excellent in high-temperature shapability and suitable for precision press-molding, including an optical glass...
7419540 Swellable phyllosilicates  
A swellable layer silicate is described based on smectite or sepiolite/palygorskite for use in media containing di- or polyvalent cations that reduce swellability, characterized by a swelling...
7407902 Bismuth glass composition, and magnetic head and plasma display panel including the same as sealing member  
A Bismuth glass composition including 0.5 to 14 wt % of SiO 2 , 3 to 15 wt % of B 2 O 3 , 4 to 22 wt % of ZnO, 55 to 90 wt % of Bi 2 O 3 and 4 wt % or less of Al 2 O 3 , and further including 5 wt...
7399720 Glass and glass-ceramic sealant compositions  
A glass composition for use as a sealant or otherwise bonded to a fuel cell component, including from about 40 mol % to about 60 mol % RO; from about 2 mol % to about 10 mol % M 2 O 3 ; and from...
7341965 Bismuth oxide glasses containing germanium oxide  
The invention relates to bismuth oxide glass, containing germanium oxide, a method for the production thereof, the use thereof and a glass fiber consisting of said inventive glass.
7341967 Glass for press molding  
The present invention provides a novel glass material that allows the production of a glass product having both excellent chemical durability and high precision by a press molding method....
7332453 Ceramics, and methods of making and using the same  
Ceramics (including glasses and glass-ceramics) comprising nitrogen, and methods of making the same.
7326666 Glass for forming barrier ribs, and plasma display panel  
Glass for forming barrier ribs for e.g. a plasma display panel, which consists, as represented by mol % based on the following oxides, essentially of from 24 to 50% of SiO 2 , from 13 to 23% of B 2...
7297646 Ceramics comprising Al2O3, REO, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same  
Ceramics comprising (i) at least one of Nb 2 O 5 or Ta 2 O 5 and (ii) at least two of (a) Al 2 O 3 , (b) REO, or (c) at least one of ZrO 2 or HfO 2 . Embodiments of ceramics according to the...
7297647 Lead- and arsenic-free optical lanthanum flint glasses  
The present invention relates to lead and arsenic free optical glasses, used for the application areas imaging, digital projection, photolithography, laser technology, wafer/chip technology as well...
7247987 Rear plate for plasma display panel  
Disclosed is a rear plate of a plasma display panel. In the rear plate, a dielectric layer or a barrier wall layer is formed by forming slurry in a tape of a green tape and then attaching the green...
7208430 Glass composition for covering electrodes and glass paste containing the same  
A glass composition for covering electrodes of the present invention contains: 0 to 15 wt % SiO 2 ; 10 to 50 wt % B 2 O 3 ; 15 to 50 wt % ZnO; 0 to 10 wt % Al 2 O 3 ; 2 to 40 wt % Bi 2 O 3 ; 0 to 5...
7166549 Antimicrobial, anti-inflammatory, wound-healing and disinfecting glass and use thereof  
The invention relates to an antimicrobial, anti-inflammatory and disinfecting glass, whereby the glass comprises: 30–95 wt. % SiO 2 ,0–40 wt. % Na 2 O, 0–40 wt. % K 2 O, 0–40 wt. % Li 2 O,...
7144834 Optical colored glass, its use, and an optical long-pass cutoff filter  
The invention concerns an optical colored glass with a composition (in percent by weight based on oxide) of SiO 2 30–75; K 2 O 5–35; B 2 O 3 >4–17; ZnO 5–37; F 0.01–10; CdO 0.1–1,...
7141523 Ceramics comprising Al2O3, REO, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same  
Ceramics comprising (i) at least one of Nb 2 O 5 or Ta 2 O 5 and (ii) at least two of (a) Al 2 O 3 , (b) REO, or (c) at least one of ZrO 2 or HfO 2 . Embodiments of ceramics according to the...
7141522 Ceramics comprising Al2O3, Y2O3, ZrO2 and/or HfO2, and Nb2O5 and/or Ta2O5 and methods of making the same  
Ceramics comprising (i) at least one of Nb 2 O 5 or Ta 2 O 5 and (ii) at least two of (a) Al 2 O 3 , (b) Y 2 O 3 , or (c) at least one of ZrO 2 or HfO 2 . Embodiments of ceramics according to...
7138349 Optical glass  
An optical glass having a refractive index (n d ) and an Abbe number (v d ) which are within an area surrounded by the straight lines which are drawn by connecting point A (n d =1.835, v d =46.5),...
7138348 Optical glass  
An optical glass has optical constants which are an refractive index (nd) of 1.70–1.75 and an Abbe number (vd) of 45.0–54.0; a glass transformation temperature (Tg) of 500–580° C. The glass...
7102242 Lead-free glass tubing, especially for encapsulating diodes and diodes encapsulated with same  
The lead-free glass tubing of the SiO 2 —B 2 O 3 —R 2 O—BaO—ZnO—TiO 2 system has a composition, in percent by weight on an oxide basis, consisting essentially of: SiO 2 , 34 to 52; B 2 O...
7098158 Glass for press molding, and lens  
A glass for press molding, containing substantially no lead, consisting substantially of, as represented by mol % based on oxides: Bi 2 O 3 25 to 70%, B 2 O 3 + SiO 2  5 to 75%, CeO 2  0 to...
7091145 Lead-free and preferably arsenic-free lanthanum heavy flint glass  
The lead-free and arsenic-free optical glass has a refractive index n d of 1.84≦n d ≦1.96 and an Abbé number ν d of 27≦ν d ≦36, with good chemical resistance, excellent crystallization...
7087542 Optical glass  
There is provided an optical glass suitable for mold pressing having optical constants of a refractive index (n d ) within a range from 1.60 to 1.69 and Abbe number (ν d ) within a range from 35...
7087543 Optical glass, press-molding preform and optical element  
An optical glass having a refractive index (nd) of 1.57 to 1.67, an Abbe's number (νd) of 55 to 65 and a glass transition temperature (Tg) of 560° C. or lower and having a low-temperature...
7005187 Glass for a light filter and a light filter  
Glass for a light filter capable of preventing variation of refractive index in a band-pass filter has a coefficient of thermal expansion within a range from 90×10 −7 /° C. within a temperature...
7005396 Enamel composition  
The present invention provides a composition for use in forming an enamel cover coat from which baked-on foods can be removed without the need for pyrolysis or highly alkaline cleaners. The enamel...
6977232 Optical glass, preform for press molding and optical part  
Provided is an optical glass that has high-refractivity and high-dispersion properties and can give preforms for press-molding, which are excellent in shapability at high temperatures and suitable...
6939819 Glass ceramic composition  
A glass ceramic composition which consists essentially of an inorganic material powder having a melting point or a glass transition point of at least 1,000° C. and a glass powder having a glass...
6905990 Ceramic color composition and method for bending flat glass  
The present invention provides a ceramic color composition which comprises, as a solid powder, 50 to 90 wt. % of a mixture containing 5 to 95 parts by weight of a first lead-free glass powder...
6873104 Glass paste composition for forming dielectric layer on electrodes of plasma display panel  
The present invention relates to a plasma display panel comprising transparent electrodes and a dielectric layer covering said transparent electrodes on at least one substrate of a pair of...
6852655 Dielectric ceramic  
The invention is to offer such a dielectric ceramic enabling to simultaneously sinter with the low resistant conductor of Ag based metals and Cu based metals, having the excellent mechanical...
6841495 Glass and conductive paste using the same  
A glass containing no lead and comprising, calculated as oxides: 40-60 wt. % ZnO, 15-35 wt. % B 2 O 3 , 1-16 wt. % SiO 2 , 1-10 wt. % Al 2 O 3 , 2-15 wt. % MnO 2 , and at least one selected from...
6818578 Optical glass and process for the production of optical products  
An optical glass having high-refractivity and low-dispersion optical properties and having a low glass transition point so that a heat-treating furnace can be operated for a long period of time....
6806217 Glass for molded lens  
A mold lens glass including B 2 O 3 , SiO 2 , La 2 O 3 , ZnO, BaO, and CaO, wherein the components in the composition are present in a weight ratio: of B 2 O 3 (25% to 35% by weight), SiO 2 (1%...
Matches 1 - 50 out of 292 1 2 3 4 5 6 >