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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...
7547652 Vitreous compositions of the vitroceramic type, transparent to infrared  
The invention relates to vitreous compositions, in particular of the vitroceramic type, transparent to infrared, production and uses thereof. Said compositions comprise in mol. %: Ge 5-40, Ga<1,...
7538050 Glass composition  
A glass composition of the present invention is manufactured by melting glass raw materials and contains a multicomponent oxide as a main component, and the glass composition contains at least one...
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...
6803335 Gallium lanthanum sulfide glasses and optical waveguides and devices using such glasses  
A new and improved hybrid of Ga:La:S (GLS) glass is provided, namely a glass comprising gallium sulfide, lanthanum oxide, and at least 2 mol % lanthanum fluoride. The Ga:La:S:O:F (GLSOF) glass...
6777358 Sealing glass composition  
A glass composition for a seal consists essentially of 70-75 wt % of PbO, 3-7 wt % of PbF 2 , 5-8 wt % of Bi 2 O 3 , 5-7 wt % of B 2 0 3 , 2-5 wt % of ZnO, 1-3 wt % of Fe 2 O 3 , 0-2 wt % of CuO,...
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...
6645893 Glass suitable for optical functional elements and process for producing same  
A glass includes (a) a matrix containing a compound of at least one nonmetallic element; and (b) a particle selectively formed in the matrix. This particle is made of the at least one nonmetallic...
6589895 Thulium-doped germanate glass composition and device for optical amplification  
A Tm-doped germanate glass composition comprises GeO 2 having a concentration of at least 20 mole percent, Tm 2 O 3 having a concentration of about 0.001 mole percent to about 2 mole percent, and...
6503860 Antimony oxide glass with optical activity  
According to one aspect of the present invention an optically active glass contains Sb 2 O 3 , up to about 4 mole % of an oxide of a rare earth element, and 0-20 mole % of a metal halide selected...
6495481 Glasses for laser and fiber amplifier applications and method for making thereof  
New and improved compositions of doped and co-doped germanium fluorophosphate glasses for laser hosts and fiber amplifiers have a high refractive index (nD) 1.67-1.70, high transmission in the near...
6444599 Rare earth element-halide environments in oxyhalide glasses  
The present invention relates to an oxyhalide glass matrix including 0-70 mol. % SiO 2 , 5-35 mol. % Al 2 O 3 , 1-50 mol. % B 2 O 3 , 5-35 mol. % R 2 O, 0-12 wt. % F, 0-12 wt. % Cl, and 0 to 0.2...
6413891 Glass material suitable for a waveguide of an optical amplifier  
Glasses of the present invention are tellurite and oxyhalide glasses doped with rare-earth ion, which can be applied to highly efficient optical amplifiers and lasers for optical communication....
6344425 Fluorotellurite, amplifier glasses  
A family of fluorotellurite glasses, the composition of which consist essentially of, as calculated in mole percent, 30-75% TeO 2 , 15-60% ZnF 2 and 0.005-10% of an oxide of erbium, thulium or...
6083858 Sealing glass composition  
The present invention relates to a sealing glass composition, which is able to seal a panel and funnel of a color TV at low temperature for a short time by adding Garnet(Fe 3 Al 2 Si 3 O 12 ) as...
6077799 SPCVD silicate glasses  
These glasses incorporate a combination of F and Al 2 O 3 to achieve even wider fluorescence and improved gain flatness. In addition, SPCVD incorporates large amounts of N into low-loss fiber...
5955388 Transparent oxyflouride glass-ceramic composition and process of making  
A transparent class ceramic composition includes an oxide component, a rare earth component, a halide component, and a substantially pure rare earth-halide (e.g., REF 3 ) crystal component. A...
5837628 Low cost and environmentally improved infrared transmitting germanate glasses  
This patent discloses the composition of germanate glass and a new method for its fabrication. The composition comprises germanate, the oxide of an alkali earth group, Al 2 O 3 , ZnO, a halides...
5670086 Vitrified phosphor articles, intermediates, and preparation methods  
Vitrified phosphor articles, intermediates, and methods for preparing the articles. In the methods, a combination of species are admixed. The combination of species are precursors for a...
5560868 Halide glass compositions and optical circuits and methods employing same  
Halide glasses having particular utility as hosts for praseodynmium in order to provide optical amplification by laser activity have a halide content provided as a small proportion, e.g., 1-10...
5482901 Amber photochromic glasses  
A surface-reduced photochromic glass containing silver halide crystals, having an original transmittance of 60-75%, a darkened transmittance of less than 30% at 25° C., a faded transmittance equal...
5364819 Ultraviolet Faraday rotator glass  
A Faraday rotator glass composition based on a fluoride glass, phosphate glass, fluorophosphate glass or a mixture thereof is doped with a lanthanide in a concentration sufficient to provide a...
5281561 Low temperature sealing glass composition  
A low temperature sealing glass composition suitable for sealing integrated circuit alumina packages at temperatures below 400° C. in a short time of about ten minutes. This sealing glass...
5278107 Optical parts and equipment using infrared athermal glasses  
Optical parts and optical equipment, including lenses, mirrors and laser media made of athermal glasses having compositions comprising 0-13 mol % CdO, 9-24 mol % CdF 2 , 5-10 mol % LiF, 30-34.5 mol...
5252523 Bioabsorbable chlorophosphate glasses and bioabsorbable glass-polymer blends made therefrom  
This invention is directed towards the production of a bioabsorbable glass-polymer alloy comprising a bioabsorbable glass and a bioabsorbable polymer, said glass having a working temperature below...
5232879 Alkali metal lanthanum gallate glasses  
This invention is directed to glasses exhibiting annealing points above 625° C., strain points above 600° C., linear coefficients of thermal expansion (25°-300° C.) below 90×10 -7 /° C.,...
5188990 Low temperature sealing glass compositions  
Low temperature sealing glass compositions comprising 35 to 80% by weight TeO 2 , 15 to 50% V 2 O 5 and 0.1 to 20% Nb 2 O 5 , ZrO 2 and/or ZnO.
5122484 Zinc phosphate low temperature glasses  
This invention relates to a glass exhibiting a transistion temperature no higher than 425° C. and excellent resistance to attack by water consisting essentially, expressed in terms of weight...
5114884 Alkali bismuth gallate glasses  
This invention relates to the preparation of thermally stable, chemically durable, heavy metal oxide glasses exhibiting good transmission of infrared radiation to wavelengths of about 7 microns...
5108477 Method for making a glass article  
A method for foming glass articles of substantial thickness from unstable glass compositions which normally devitrify when formed by conventional casting or molding processes, is disclosed. The...
5089446 Sealing materials and glasses  
Mill additions are disclosed which lower the CTE of, and are compatible with, tin-phosphorus oxyfluoride glasses. The sealing materials provide fusion-type seals having a CTE not over about 110×10...
4859634 Process for production of vitreous ceramics and product thereof  
A complex oxide comprising zirconium oxide and an oxide of at least one metal selected from the group consisting of an alkali metals, alkaline earth metals, silicon and lead is mixed with pottery...
4849002 Ion-exchangeable germanate method for strengthened germanate glass articles  
Ion exchangeable glass compositions containing from 50 to 90 mole percent GeO 2 , from 5 to 30 mole percent Al 2 O 3 , from 3 to 30 mole percent Li 2 O, up to 30 mole percent Na 2 O and up to 30...
4775596 Composite substrate for integrated circuits  
This invention is particularly directed to the preparation of inorganic ceramic laminated structures for use as substrates in integrated circuit packages. One lamina is composed of a high thermal...
4649126 Glass with anionic conductivity for fluorine  
The invention relates to halide-containing glass. Glass with anionic conductivity for fluorine comprises PbO, F, and a glass-forming agent. As the glass-forming agent boron oxide (B 2 O 3 ) is...
4647545 Halogenated glasses  
Halogenated glass comprising 20 to 90 mole percent of at least one of cadmium, manganese and zinc halide and a process for the preparation thereof.
4513070 Vitreous materials with ionic conductivity, the preparation of same and the electrochemical applications thereof  
Electrochemical devices use a vitreous material having a general formula xAaR b --yNmRc--zN n Y p wherein A is Si, Ge, P, S, B, Nb, As, V, Cr or Mo; R is O, S or Se; N is Li, Na, K or Ag and Y...
4483931 Lead gallate glasses  
This invention is directed to the preparation of glasses in the PbO--Ga 2 O 3 field exhibiting good infrared transmitting characteristics out to wavelengths of 8 microns. The binary glasses...
4469800 Moldable fluoroborate optical glasses  
This invention is concerned with the preparation of moldable optical glasses having refractive indices of about 1.65-1.735, dispersions of about 38-58, transition temperatures lower than about...
4456692 Bi.sub.2 O.sub.3 --Ga.sub.2 O.sub.3 Glasses  
This invention is concerned with the production of glasses in the Bi 2 O 3 --Ga 2 O 3 system with, preferably, CdO which exhibit high indices of refraction and infrared transmitting...
4385128 Germanium-containing glass of high infrared transmission and low density  
This invention is directed to the production of glasses having a density of less than 3.26 g/cm 3 , a β OH value less than 0.030 mm -1 , and, in a thickness of 2 mm, a transmission of at least...
4366141 Treatment of coarse particle size zinc sulfide to improve visual and infrared transmission on hot-pressed articles  
Coarse particle size zinc sulfide is treated with a solution of alkali metal halide to make it adaptable for hot-pressing into shaped, polycrystalline windows which is more transparent in the...
4349456 Non-vitreous ceramic metal oxide microcapsules and process for making same  
Shaped and fired, porous or impermeable nonvitreous ceramic microcapsules of metal oxide, preferably transparent and polycrystalline, are made by a non-melt process comprising the liquid-liquid...
4328318 Glasses containing fluorine, their preparation and their application  
Glasses containing fluorine. These glasses are characterized by the fact that they contain at least 25% in moles, approximately, of a fluoride or a mixture of fluorides MX(X 1 ) 2 , in which: X...
4314031 Tin-phosphorus oxyfluoride glasses  
Glass compositions in the tin-phosphorus-oxyfluoride composition system exhibiting very low glass transition temperatures and capable of being modified by the addition of selected constituents to...
4280844 Refractory brick for molding molten steel  
A spalling- and corrosion-resistance refractory which comprises the composition of refractory material consisting of at least one refractory inorganic substance, 1-30% by weight of low melting...
4280845 Cordierite ceramic  
Cordierite ceramic consisting mainly of cordierite in crystal phase after fired and having a mean pore size of 2-50 microns and a thermal expansion coefficient of not more than 16×10 -7 (1/° C.)...
4261751 Optical glasses  
An optical glass having a high dispersion and a refractive index in the range of from 1.53 to 1.86 and an Abbe number in the range of from 21 to 43 comprises substantially the following components...
4226628 Cuprous copper and/or silver halophosphate glasses  
This invention is related to the production of glasses having compositions within the copper and/or silver-halide-phosphate field, wherein at least one halide is present selected from the group of...
4164610 Glasses exhibiting high lithium ion mobility  
The present invention relates to the preparation of essentially silica-free glasses which can be melted at low temperatures and which have compositions within the Li 2 O--Al 2 O 3 and/or F--B 2 ...
Matches 1 - 50 out of 95 1 2 >