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| Number | Title | Issue Date |
| 8008220 | Use of lead-free and phosphate-containing glasses in a precision moulding process 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 l... | 08/30/2011 |
| 7598189 | Phosphate optical glass, preform for precision press molding and manufacturing method of the same, optical element and manufacturing method of the same Phosphate optical glass having an Abbé number, νd, of greater than 59. A preform for precision press molding being comprised of the phosphate optical glass. An optical glass being comprised of the phosphate optical glass and manufacturing method of the same. Provi... | 10/06/2009 |
| 7595272 | Optical glass, press-molding preform, process for the production thereof, optical element and process for the production thereof A low-dispersion optical glass suitable for producing a quality preform from a molten glass and suitable for precision press-molding, which is a fluorophosphate glass containing, as essential cationic components, P5+, Al3+, at least two members... | 09/29/2009 |
| 7582579 | Phosphate optical glass The object of the present invention is to provide an optical glass which has optical constants such as a refractive index of from 1.45 to 1.65 and an Abbe number of at least 65 and which is yet excellent in chemical durability. A phosphate optical glass comprising, ... | 09/01/2009 |
| 7538051 | Optical glass, preform for press molding and optical element An optical glass has optical constants represented by a refractive index (nd) of 1.46 to 1.58 and an Abbe's number (νd) of 65 to 74, has excellent hot preform shapeability, low softenability and excellent climate resistance, and comprises, by mol %, 45 to 65% of P | 05/26/2009 |
| 7439201 | Lead-free frits for plasma displays and other glass devices utilizing glass sealing materials The invention is directed to lead-free glass frit compositions that can be used as sealing frits, the compositions being a blend of: (1) at least one of two glass families which are SnO—ZnO—P2O5 and alkali-ZnO—P2O5 g... | 10/21/2008 |
| 7435695 | Lead-free phosphate glasses Disclosed are zinc niobium phosphate glasses consisting essentially, expressed in terms of mole percent on the oxide basis of, 40-65% P2O5, 25-37% ZnO, 0.1-15% Nb2O5, 0-6% Al2O3, 0-5% Bi2O3, 0-3% Na2O and 0-5% B2O3, said glass exhibiting glass transition temperature... | 10/14/2008 |
| 7396787 | Optical glass and process for making precise-pressed optical elements therefrom as well as said optical elements The lead-free, preferably lithium-free, optical glass is useful in imaging, projection, telecommunications, optical communication and/or laser technology, particularly for making precise-pressed optical elements. It has a refractive index nd of 1.50 to 1.... | 07/08/2008 |
| 7396786 | Glass and glass substrate having high dielectric constant A glass containing 5 to 25 mass % of P2O5, 0 to 15 mass % of B2O3, 0 to 5 mass % of SiO2+GeO2, 21 to 50 mass % of BaO+SrO, 0 to 3 mass % of Li2O+Na2O+K2O, and 35 to 65... | 07/08/2008 |
| 7371703 | 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... | 05/13/2008 |
| 7361632 | 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. ... | 04/22/2008 |
| 7326367 | Thick film conductor paste compositions for LTCC tape in microwave applications This invention is related to thick film conductor compositions comprising electrically conductive gold powder, one or more glass frit or ceramic oxide compositions and an organic vehicle. It is further directed to the composition's uses for LTCC (low temperature co-... | 02/05/2008 |
| 7312169 | Optical glass for precision molding The present invention provides a high refractive index, high dispersion optical glass for precision molding, being free from harmful materials causing environmental problems, such as lead oxide, etc., and having a low yield temperature, a refractive index (nd) of at... | 12/25/2007 |
| 7192897 | Near-infrared light-absorbing glass, near-infrared light-absorbing element, near-infrared light-absorbing filter, and method of manufacturing near-infrared light-absorbing formed glass article, and copper-containing glass Provided are near-infrared light-absorbing glass in which good color compensating characteristics are maintained even without containing harmful arsenic, permitting the thinning of the glass, and having good weatherability and forming properties; a near-infrared lig... | 03/20/2007 |
| 7157391 | Optical glass, preform for press molding and optical element An optical glass being free of lead and fluorine, having a low glass transition temperature permitting press-molding with a mold formed of stainless steel and having high climate resistance includes an optical glass comprising, by mol %, 25 to 44% of P2O | 01/02/2007 |
| 7151064 | Optical glass suitable for mold forming An optical glass suitable for mold forming having a metal composition in wt % in terms of metal oxides calculated from the composition of the following components: P2O5 34–50%, Li2O 2–9%, Na2O 7–28%, K2O 3... | 12/19/2006 |
| 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 |
| 7141524 | Lead-free and preferably arsenic-free dense optical crown glass The lead-free, Li2O-free, CuO-free and preferably arsenic-free optical glass is suitable for applications in the fields of imaging, projection, telecommunications, optical communication technology and/or laser technology, and has a refractive index n... | 11/28/2006 |
| 7060640 | Optical glass An optical glass comprises, in mass percent, 15–35% of P2O5, 40–60% of Nb2O5, 0.5% to less than 15% of Na2O and 3% to less than 25% of BaO, has a ratio in mass % of (BaO+Nb2O5)/{(TiO | 06/13/2006 |
| 7033966 | Optical glass and lens An optical glass which contains at least 20 mol % of TeO2 and has an internal transmittance of at least 80% in a thickness of 2 mm to a light having a wavelength of 405 nm and a refractive index of at least 1.85 to the same light, and which contains no al... | 04/25/2006 |
| 7010940 | Process for producing glass and glass-melting apparatus thereof A process for producing a high-quality glass from highly reactive raw materials and a glass-melting apparatus for use therewith, comprising the step of charging a material for the glass to a molten glass in a heated vessel, (1) wherein an oxidizing gas is bubbled in... | 03/14/2006 |
| 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 cover coat preferably exhibits no chipping or other surface defects s... | 02/28/2006 |
| 7001858 | Glass fiber and thermoplastic resin composition Glass fiber which substantially has the following composition as represented by mol percentage and has a glass transition temperature higher than 300° C. and lower than 400° C.: Li2O+Na2O+K2O: 5 t... | 02/21/2006 |
| 6995101 | Optical glass and optical product using the same An optical glass having a high refractive index and high dispersion characteristics suitable for application to precision press molding to precisely mold final products without requiring grinding or polishing. An optical glass can be prepared exhibiting a refractive... | 02/07/2006 |
| 6984261 | Use of ceramics in dental and orthodontic applications The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications. ... | 01/10/2006 |
| 6970494 | Rare-earth doped phosphate-glass lasers and associated methods Apparatus and method for integrating lasers and optics on glass substrates. An optical (e.g., laser) component formed from a glass substrate doped with a optically active lanthanides species with a plurality of waveguides defined by channels within the substrate. Th... | 11/29/2005 |
| 6950597 | Polymer-based rare earth-doped waveguide device A polymer-based waveguide device is for use in an optical amplifier or as a laser waveguide. The waveguide device includes a substrate (1), a polymer bottom cladding layer (21) on the substrate, a polymer channel waveguide (3) on the bottom clad... | 09/27/2005 |
| 6939820 | Antibacterial glass composition and antibacterial polymer composition using the same The present invention provides an antibacterial glass composition exhibiting high antibacterial performance with sufficiently sustaining antibacterial performance by adding a small amount of the antibacterial component, and an antibacterial polymer composition using... | 09/06/2005 |
| 6927185 | Porous material and method for preparation thereof As-prepared AlPO4—B2O3—Na2O-based glasses were placed in an autoclave together with distilled water and were treated at 150° C. for two hours. Although the specific surface area of the as-prepared glass prior to autoc... | 08/09/2005 |
| 6911160 | Phosphate glass for use in the manufacture of ultra-short length lasers and amplifiers A high-gain phosphate glass composition, which can be used to produce ultra-short gain length lasers and optical amplifiers is described wherein the composition of the glass in addition to exhibiting high gain for lasers and amplifiers, also exhibits high thermal sh... | 06/28/2005 |
| 6878765 | Method for producing a component and the use of said component A method for producing a component from a glass/polymer mixture where, a component is formed from a mixture of a thermoplastic with a processing temperature T1 and first glass particles with saturated surface bonds and a glass temperature T2 | 04/12/2005 |
| 6875714 | Optical glass and optical element made of the optical glass An optical glass consists essentially, expressed in term of weight percent, of: P2O5: 20.0 to 30.0%, B2O3: 0.5 to 10.0%, Nb2O5: 5.0 to 50.0%, WO3: 15.0 to 27.0%, Bi2O3... | 04/05/2005 |
| 6865318 | Athermal optical components Athermal optical components comprise cubic crystalline materials including silver chloride and cesium bromide, or comprise composites of at least two layers of different compositions wherein the total optical pathlength, nL, across said layers is essentially indepen... | 03/08/2005 |
| 6838171 | Antibacterial fiber and antibacterial twisted yarn An antibacterial fiber and twisted yarn having an antibacterial imparting glass composition complexed therewith. The glass composition comprises 0.1-5.0 % by weight of Ag2O in a composition containing 45-67 mol % of P2O5, 5-20 mol % ... | 01/04/2005 |
| 6831028 | Antibacterial glass and method for production thereof This invention provides an antimicrobial glass which exhibits excellent dispersing ability into a resin and excellent transparency besides generating small yellowing and a method for manufacturing the antimicrobial glass. In the antimicrobial glass capable of releas... | 12/14/2004 |
| 6815379 | Antibacterial cloth An antibacterial cloth having an antibacterial imparting glass composition complexed therewith. The glass composition comprises 0.1-5.0% by weight of Ag2O in a composition containing 45-67 mol % of P2O5, 5-20 mol % of Al2O... | 11/09/2004 |
| 6784128 | Optical glass for molding The present invention provides an optical glass for press molding, in particular, a low softening point glass which contains, in an oxide glass of phosphate type, a durability improving component in addition to glass forming components, and has a weight loss of at m... | 08/31/2004 |
| 6737375 | Phosphate sealing frits with improved H2O durability Glass frit compositions, calculated in mole percent on an oxide basis, consisting essentially of 24.5 to 29.0% P2O5; 1.0 to 5.0% B2O3; 1.0 to 2.0% Al2O3; and sufficient amounts of SnO and ZnO (51.5 to... | 05/18/2004 |
| 6667258 | Zinc phosphate glass compositions Disclosed is a zinc phosphate glass consisting essentially, expressed in terms of mole percent on the oxide basis, of 31-34% P2 O5, 0-2% Al2 O3, 5-11% Li2 O, 5-13% Na2 O, 3-7% K2 O, w... | 12/23/2003 |
| 6656859 | Tellurite glasses and optical components A family of tellurite glasses and optical components for telecommunication systems, the glasses consisting essentially of, as calculated in cation percent, 65-97% TeO2, and at least one additional oxide of an element having a valence greater th... | 12/02/2003 |
