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7618909 Precision press-molding preform, process for the production thereof, optical element and process for the production of the optical element  
A precision press-molding preform for producing an optical element for use in an imaging device using a CCD type or MOS type solid image-sensing device, which is formed of a glass composition...
7608551 Bismuth containing fluorophosphate glass and method for making thereof  
New and improved compositions of doped and co-doped bismuth fluorophosphate glasses for lasers is disclosed that have a high refractive index (nD) of approximately 1.6 and higher, high transmission...
7603876 Optical glass, shapable glass material for press-shaping, optical element and process for producing optical element  
An optical glass that has high-refractivity and high-dispersion properties, that is less colored and that is suitable for a shapable glass material for press-shaping and various optical elements,...
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...
7585798 Lead-free glass material for use in sealing and, sealed article and method for sealing using the same  
A lead-free glass material for use in sealing, which has a glass composition being free of lead and exhibits high performance in the range of choices for the material to be sealed, the sealing...
7553785 Lead-free and arsenic-free niobium phosphate optical glass  
The lead-free, arsenic-free, preferably gadolinium-free and fluorine-free, optical glass has a refractive index of 1.86≦n d ≦1.95, an Abbe number of 19≦v d ≦24, a transformation temperature...
7531474 Optical glass, shaped glass material for press-molding, optical element and process for producing optical element  
Disclosed is an optical glass having high-refractivity and high-dispersion properties and having little coloring, said glass containing P 2 O 5 , Nb 2 O 5 and TiO 2 as glass components,...
7531473 Ytterbium-phosphate glass  
A new ytterbium-phosphate glass and a method for producing the same are disclosed. The glass finds special use in forming laser glass. Previously the level of ytterbium that could be incorporated...
7521670 Standard for referencing luminescence signals  
The invention discloses a standard for referencing luminescence signals, having an optically transparent base material comprising a lanthanum phosphate glass, a fluorophosphate glass, a fluor-crown...
7501366 Lead-free optical glasses with a hard flint position  
Optical glasses are described, which are useful for imaging, sensors, microscopy, medical technology, digital protection, photolithography, laser technology, wafer/chip technology, as well as...
7482293 Optical glass suitable for mold forming at low temperature  
An optical glass suitable for mold forming at a low temperature including, in percent by weight, 9-25 percent of P 2 O 5 , 1-20 percent of GeO 2 , 12-28 percent of Nb 2 O 5 , 1-7 percent of TiO 2 ,...
7456142 Water-soluble glass as corrosion protector in dishwashing machines  
A zinc-containing, water-soluble glass composition comprising from 41 to 54 mole % of P 2 O 5 , 10 to 30 mole % of alkali oxides, up to 5 mole % of SO 3 and up to 25 mole % of ZnO.
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—P 2...
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%...
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...
7396786 Glass and glass substrate having high dielectric constant  
A glass containing 5 to 25 mass % of P 2 O 5 , 0 to 15 mass % of B 2 O 3 , 0 to 5 mass % of SiO 2 +GeO 2 , 21 to 50 mass % of BaO+SrO, 0 to 3 mass % of Li 2 O+Na 2 O+K 2 O, and 35 to 65 mass % of...
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...
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...
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,...
7309670 Optical glass; press-molding preform and method of manufacturing same; and optical element and method of manufacturing same  
The present invention relates to optical glass having a high refractive index, high dispersion, and a low glass transition temperature; a preform comprised of the optical glass for precision...
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...
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...
7148165 Lead-free low softening point glass  
Disclosed is a lead-free low softening point glass whose composition lies within the system SnO—P 2 O 5 and containing over 5 to 30 mol % of MnO. The addition of MnO allows the water resistance...
7141525 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,...
7141524 Lead-free and preferably arsenic-free dense optical crown glass  
The lead-free, Li 2 O-free, CuO-free and preferably arsenic-free optical glass is suitable for applications in the fields of imaging, projection, telecommunications, optical communication...
7115536 Rare earth containing P2O5-WO3-Na2O glass for laser applications  
A rare earth containing glass nominally based on the ternary P 2 O 5 —WO 3 —Na 2 O-Ln 2 O 3 compositional space, with WO 3 >30-65 mole %, Na 2 O 15-35 mole %, P 2 O 5 5-65 mole %, Ln 2 O 3...
7060640 Optical glass  
An optical glass comprises, in mass percent, 15–35% of P 2 O 5 , 40–60% of Nb 2 O 5 , 0.5% to less than 15% of Na 2 O and 3% to less than 25% of BaO, has a ratio in mass % of (BaO+Nb 2 O 5...
7033966 Optical glass and lens  
An optical glass which contains at least 20 mol % of TeO 2 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...
6989340 Lead-free low softening point glass  
Disclosed is a lead-free low softening point glass whose composition lies within the system SnO—P 2 O 5 and containing over 5 to 30 mol % of MnO. The addition of MnO allows the water resistance...
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...
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 T 1 and first glass particles with...
6875714 Optical glass and optical element made of the optical glass  
An optical glass consists essentially, expressed in term of weight percent, of: P 2 O 5 : 20.0 to 30.0%, B 2 O 3 : 0.5 to 10.0%, Nb 2 O 5 : 5.0 to 50.0%, WO 3 : 15.0 to 27.0%, Bi 2 O 3 : 0.1 to...
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...
6809049 Glass compositions and glass forming materials comprising said compositions  
The present invention provides glass compositions that can be used instead of known glass compositions containing a large amount of PbO in applications such as coating ceramic substrates, e.g.,...
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...
6757474 Emission silicate waveguide compositions for enhanced L-band and S-band emission  
A co-doped silicate optical waveguide having a core including silica, and oxides of aluminum, germanium, erbium and thulium. The composition concentrations are: Er from 15 ppm to 3000 ppm; Al from...
6743743 Optical glass  
Optical glasses and optical articles comprised of the optical glass are disclosed. One of which comprises, by means of weight percentages, more than 32 percent and not more than 45 percent P 2 O 5...
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% P 2 O 5 ; 1.0 to 5.0% B 2 O 3 ; 1.0 to 2.0% Al 2 O 3 ; and sufficient amounts of SnO...
6734243 Component and method for the production thereof  
A component ( 1 ) which includes a material formed from a glass/polymer mixture. The component has first regions, in which the glass is present substantially in the form of spherical particles ( 2...
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% P 2 O 5 , 0-2% Al 2 O 3 , 5-11% Li 2 O, 5-13% Na 2 O, 3-7% K 2 O, with...
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% TeO 2 , and at least one...
6560009 Erbium doped fibers for extended L-band amplification  
The specification describes rare earth doped fiber amplifier devices for operation in the extended L-band, i.e. at wavelengths from 1565 nm to above 1610 nm. High efficiency and flat gain spectra...
6555491 Compositions of water soluble glass  
A composition for a water soluble glass is described. The composition is unusual in that it contains no or very small quantities (up to 5 mole %) of alkali metal compounds. The composition...
6538805 Codopant polymers for efficient optical amplification  
In accordance with the invention, the present invention provides for a polymer comprised of a general composition. The polymer has a first rare earth element, a second rare earth element, one of...
6529675 Method to optimize rare earth content for waveguide lasers and amplifiers  
The invention is directed to optical devices comprising a solid-state structured glass substrate having at least one waveguide incorporated therein, particularly waveguides and lasers incorporating...
6528443 Water soluble glass composition  
A composition for a water soluble glass is described. The composition is unusual in that it contains no or very small quantities (up to 5 mole %) of alkali earth metal compounds. The composition...
6528442 Optical transparent film and sputtering target for forming optical transparent film  
To provide an optically transparent film containing 0.01 to 20% by weight glass forming oxide consisting of Nb 2 O 5 , V 2 O 5 , B 2 O 3 , SiO 2 , and P 2 O 6 ; 0.01 to 20% by weight Al 2 O 3 or...
6514891 Thick dielectric composition for solid state display  
The present invention related to a dielectric composition of a solid state display. The dielectric composition can be P 2 O 5 —ZnO-BaO glass, SiO 2 —ZnO-Ba 2 O 3 glass of PbO—ZnO—B 2 O 3 ...
6511931 Easy-to-clean matte acid resistant ground coat  
The present invention provides a ground coat composition for use in forming an enamel layer on sheet steel that exhibits good spot acid resistance, a satin finish, good bond, and is easy-to-clean....
6409396 Interference filter having a glass substrate  
The present invention relates to a fiber optic system including a light source, a fiber optic transmission component, a receiver or transmitter of radiation, and an interference filter. The...
Matches 1 - 50 out of 202 1 2 3 4 5 >