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| Number | Title | Issue Date |
| 7989379 | Optical glass The present invention provides a glass having a refractive index and a coefficient of thermal expansion close to those of quartz glass, respectively, and also having anti-devitrification properties excellent enough to avoid the development of defects such as devitri... | 08/02/2011 |
| 7968482 | Glass substrate Provided is a glass substrate, which has a substrate size of 1,100 mm×1,250 mm or more, and a transmittance at a wavelength of 500 to 800 nm and at a route length of 50 mm of 80% or more. ... | 06/28/2011 |
| 7851393 | Glass composition for low temperature sintering, glass frit, dielectric composition and multilayer ceramic capacitor using the same The invention relates to a glass composition and a glass frit adequate for low temperature sintering agent at 1,100° C. or less, and a dielectric composition and a multilayer ceramic capacitor using the same. The glass composition comprises aLi2O-bK... | 12/14/2010 |
| 7838451 | Alkali-free glass and liquid crystal display panel To provide an alkali-free glass excellent in the properties for glass substrates to be used for display, excellent in the resistance to reduction, and suitable for forming by a float process. An alkali-free glass consisting essentially of, as represented by m... | 11/23/2010 |
| 7763558 | Glass compositions for fiber formation Provided is a range of glass compositions and glass fiber products made therefrom that show a unique combination of properties for both discontinuous fiber manufacturing and end use service. The glass compositions are particularly useful in high volume, high through... | 07/27/2010 |
| 7700506 | UV-radiation absorbing glass with reduced absorption of visible light and method of making and using same The PbO-free UV-absorbing glass is made under oxidative conditions and has a composition, in % by weight, of: SiO2, 55-79; B2O3, 3-25; Al2O3, 0-10; Li2O, 0-10; Na2O, 0-10; K2O, 0... | 04/20/2010 |
| 7524783 | Glass for laser processing Titanium is added in the form of atoms, a colloid, or ions to a glass to be subjected to laser processing in which the ablation or vaporization caused by the energy of an absorbed laser light is utilized. Since titanium can be incorporated into the glass through mel... | 04/28/2009 |
| 7399721 | Glass for laser processing A glass for laser processing of the present invention can be laser-processed by causing ablation or evaporation by laser beam energy absorbed therein, wherein the glass for laser processing has a composition that satisfies the following conditions: 60≦Si... | 07/15/2008 |
| 7396788 | Glass composition and glass substrate A glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD or of an optical communication device, and a glass composition for making such a glass substrate, contains the following glass ing... | 07/08/2008 |
| 7375043 | UV-radiation absorbing glass with reduced absorption of visible light and methods of making and using same The method for making UV-absorbing glass, which transmits in a visible range, includes melting raw materials to form a melt and producing the melt under oxidative conditions. The UV-absorbing glass is free of PbO and has the following composition (in % by weight): S... | 05/20/2008 |
| 7365037 | Quartz glass having excellent resistance against plasma corrosion and method for producing the same As a jig material to use under plasma reaction for producing semiconductors the present invention provides a quartz glass having resistance against plasma corrosion, particularly corrosion resistance against fluorine-based plasma gases, and which is usable without c... | 04/29/2008 |
| 7351675 | Optical glass, precision press-molding preform, process for production thereof, optical element and process for the production thereof An optical glass taking account of meltability and the moldability of a preform, having optical constants including a refractive index (nd) of at least 1.57 but less than 1.67 and an Abbe's number (νd) of over 55 but not more than 65, having the property of softeni... | 04/01/2008 |
| 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. Specifically, the present invention provides a glass for press molding, compri... | 03/11/2008 |
| 7341966 | Borosilicate glass compositions and uses thereof Glass, glass compositions, methods of preparing the glass compositions, microfluidic devices that include the glass composition, and methods of fabricating microfluidic devices that include the glass composition are disclosed. The borosilicate glass composition incl... | 03/11/2008 |
| 7341964 | Durable glass and glass enamel composition for glass coatings The present invention provides glass compositions and glass coating systems for use on glass substrates in several industrial applications. It relates to a lead-free and cadmium-free glass enamel coating made primarily by utilizing at least one or more of lead-free ... | 03/11/2008 |
| 7332452 | CaO-SiO-based bioactive glass and sintered calcium phosphate using same A bioactive glass having a composition substantially comprising 30 to 60 mol % of CaO, 40 to 70 mol % of SiO2 and 20 mol % or less of Na2O has low glass transition temperature and/or crystallization temperature, and a sintered calcium phosphate... | 02/19/2008 |
| 7315125 | Aluminum-free borosilicate glass and applications thereof The fluorescent lamp is made with an aluminum-free borosilicate glass having a composition, in percent by weight, based on oxide content of: SiO2, 65-77; B2O3, 7-20; Li2O, 0-2; Na2O, 0-4; K2O, 3-12; M... | 01/01/2008 |
| 7294193 | Cementitious materials including slag and geopolymers Cementitious materials including slag and geopolymer can be added to conventional cement compositions, such as Portland cement, as a partial or total replacement for conventional cement materials. The slag may comprise silicates and/or oxides of calcium, silicon, ma... | 11/13/2007 |
| 7285510 | Glass composition for poling and glass functional product containing the same The present invention provides a glass composition suitable for producing a poling effect. This glass composition includes 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 0.1 to 40 mol % of Al2O3, and 0 to 15 mol % of B | 10/23/2007 |
| 7217672 | Optical glass suffering little change in refractive index by radiation of light An optical glass wherein an amount of change in refractive index (Δn: difference in refractive index between a state before radiation and a state after radiation) caused by radiation of laser beam at wavelength of 351 nm having average output power of 0.43W, pulse ... | 05/15/2007 |
| 7214441 | Low alkali sealing frits, and seals and devices utilizing such frits A solid oxide fuel cell device incorporates a sealing material resistant to hydrogen gas permeation at a sealing temperature in the intermediate temperature range of 600° C.–900° C., the seal having a CTE in the 100×10−7/° C. to 120×10−7 | 05/08/2007 |
| 7196027 | Optical glass suffering little change in refractive index by radiation of light An optical glass wherein an amount of change in refractive index (Δn: difference in refractive index between a state before radiation and a state after radiation) caused by radiation of laser beam at wavelength of 351 nm having average output power of 0.43 W, pulse... | 03/27/2007 |
| 7192898 | Glass composition and glass substrate A glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD or of an optical communication device, and a glass composition for making such a glass substrate, contains the following glass ing... | 03/20/2007 |
| 7169721 | Self-foamed porous ceramic composition and method for making porous ceramic using the same Disclosed herein are a self-foamed porous ceramic composition and a method for making a porous ceramic using the self-foamed porous ceramic composition. The self-foamed porous ceramic is obtained by fabricating a glass consisting of 41˜47 mole % of calcium oxide (C... | 01/30/2007 |
| 7169334 | Optical information recording medium A compound constructed by N (N is an integer of 2 or more) kinds of phases containing at least one kind of elements selected from a group consisting of Co, Ti, V, Cr, Mn, Fe, Ni, Si, Pb, Bi and Al. At least one kind to (N−1) kinds among the N kinds of phases are c... | 01/30/2007 |
| 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. % SiO2,0–40 wt. % Na 2O, 0–40 wt. % K2O, 0–40 wt. % Li2O, 0–35 wt. % CaO, 0–10 wt. % M... | 01/23/2007 |
| 7163904 | Colorless glasses/borosilicate glasses with special UV-edge A borosilicate glass, having a spectral edge wavelength in a UV range of 280 to 325 nm, which can be set in a simple and defined manner, with the composition in percent by weight on an oxide basis of 60–75% SiO2, 10–15% B2O3, 5â€... | 01/16/2007 |
| 7157392 | Alkali-free aluminoborosilicate glasses, and uses thereof An alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α20/300 of between 2.8×10−6/K and 3.8×10−6/K, which has the following composition (in % by weight, based on oxide): silicon dioxide (SiO2 | 01/02/2007 |
| 7155934 | Method for the production of borosilicate glass with a surface suitable for modification glass obtained according to said method and the use thereof The method of making borosilicate glass with a surface having reactive SiOH groups on it includes preparing a borosilicate glass melt and dissolving at least 30 mMol per liter of water in the borosilicate glass melt. The borosilicate glass contains from 70 to 87 per... | 01/02/2007 |
| 7153797 | Alkali-free aluminoborosilicate glasses and uses thereof The invention relates to an alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α20/300 of between 2.8 and 3.9·10−6/K, which has the following composition (in % by weight, based on oxide) : SiO2>58–6... | 12/26/2006 |
| 7144835 | Aluminum-free borosilicate glass and applications thereof The aluminum-free borosilicate glass has a composition in percent by weight based on oxide content of: SiO2, 65–77; B2O3, 7–20; Li2O, 0–2; Na2O, 0–4; K2O, 3–12; MgO, 0–2; CaO, 0–2; with ... | 12/05/2006 |
| 7143609 | Low-temperature fabrication of glass optical components A method is provided for molding from glass certain complex optical components, such as lenses, microlens, arrays of microlenses, and gratings or surface-relief diffusers having fine or hyperfine microstructures suitable for optical or electro-optical applications. ... | 12/05/2006 |
| 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 SiO2 30–75; K2O 5–35; B2O3>4–17; ZnO 5–37; F 0.01–10; CdO 0.1–1, S+Se+Te 0.1–1.5 | 12/05/2006 |
| 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 has the following composition in mass percent of: SiO2 mor... | 11/21/2006 |
| 7102242 | Lead-free glass tubing, especially for encapsulating diodes and diodes encapsulated with same The lead-free glass tubing of the SiO2—B2O3—R2O—BaO—ZnO—TiO2 system has a composition, in percent by weight on an oxide basis, consisting essentially of: SiO2, 34 to 52; B2O3... | 09/05/2006 |
| 7091144 | Glass for wavelength division multiplexing optical filter The invention relates to first, second and third glasses for wavelength division multiplexing optical filters. The first glass contains 50–65 wt % of SiO2, 5–25 wt % of Na2O, 4–20 wt % of K2O, 0–20 wt % of CaO, 0–10 wt % of... | 08/15/2006 |
| 7090937 | Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is applied Disclosed are a glass substrate for an information recording medium, having excellent scratch resistance and a light weight and having high fracture toughness, the glass substrate having a fragility index value, measured in water, of 12 μm−1/2 or less ... | 08/15/2006 |
| 7087307 | Glass sheet and glass sheet photoelectric converter device The present invention provides a glass sheet formed on molten tin, that exhibits a high transmittance that is originally inherent to its composition. In this glass sheet, the difference between a visible light reflectance of a surface formed in contact with the molt... | 08/08/2006 |
| 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 softening property and excellent climate resistance or a haze value of 3% or... | 08/08/2006 |
| 7087541 | Glass composition for display panels A glass composition suitable for manufacturing plasma displays and large-area displays using the fusion draw process is provided. The glass composition includes 59–66 mol % SiO2, 14.5–18.0 mol % Al2O3, 8.5–12.0 mol % Na2 | 08/08/2006 |
