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7598188 Ceramic materials and methods of making and using the same  
Ceramic materials and articles comprising at least 35 percent by weight Al 2 O 3 , and a plurality of cells having an average cell size of less than 3 micrometers.
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...
7579293 Pavement marking, reflective elements, and methods of making microspheres  
Presently described are retroreflective articles, such as pavement markings, that comprise transparent microspheres partially embedded in a (e.g., polymeric) binder. Also described are (e.g.,...
7563736 Optical glass and process for producing optical element  
An optical glass which has an internal transmittance to a light having a wavelength of 400 nm being at least 90% as calculated in a thickness of 1 mm and which contains at least 25 mol % of B 2 O 3...
7551348 Tellurite glass composite, optical waveguide and optical amplifier using the same  
Provided are a tellurite glass composite, an optical waveguide, and an optical amplifier using the tellurite glass composite. The tellurite glass composite includes an entire composite including 25...
7524781 Non-lead optical glass and optical fiber  
A non-lead optical glass consisting essentially of, as represented by mol %, from 45 to 75% of Bi 2 O 3 , from 12 to 45% of B 2 O 3 , from 1 to 20% of Ga 2 O 3 , from 1 to 20% of In 2 O 3 , from 0...
7514381 Optical glass and lens  
To provide an optical glass which has a high transmittance and a high refractive index and shows little decrease in the transmitted light intensity when continuously irradiated with a blue-violet...
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...
7493008 Glass for optical amplifier fiber  
A tellurite glass composition doped with a first lanthanide, preferably Tm, and codoped with another lanthanide oxide, e.g. Ho, is provided. The glass includes 4-12 mole % of alkalihalide XY, X...
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 ,...
7473662 Metal-doped alumina and layers thereof  
A method of forming (and an apparatus for forming) a metal-doped aluminum oxide layer on a substrate, particularly a semiconductor substrate or substrate assembly, using a vapor deposition process.
7332453 Ceramics, and methods of making and using the same  
Ceramics (including glasses and glass-ceramics) comprising nitrogen, and methods of making the same.
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...
7292766 Use of glasses containing rare earth oxide, alumina, and zirconia and dopant in optical waveguides  
The invention provides optical waveguides comprising a glass doped with a rare earth dopant on a surface of the substrate, wherein the glass comprises (a) Al 2 O 3 , at least one of REO or Y 2 O 3...
7147544 Glass-ceramics  
Glass-ceramics and methods of making the same. Embodiments of the invention include abrasive particles. The abrasive particles can be incorporated into a variety of abrasive articles, including...
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...
7101819 Alumina-zirconia, and methods of making and using the same  
Alumina-zirconia materials and methods of making the same. Embodiments of the invention include abrasive particles. The abrasive particles can be incorporated into a variety of abrasive articles,...
7088903 Optical glass having a small photoelastic constant  
An optical glass having a small photoelastic constant (β) suitable for parts for polarizing optical system and light polarization control elements and having a refractive index (nd) within a range...
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...
7022423 Sealed contact bushings  
According to the invention, the inventive sealed contact bushings for plastic components consist of a glass/plastic compound based on a thermoplastic, which contains a low-melting sulphophosphate...
6821917 Tellurite glass and applications thereof  
A tellurite glass material has a composition of Li 2 O:TiO 2 :TeO 2 , and contains a dopant comprising ions of a rare earth metal. The rare earth ions can be thulium ions, Tm 3+ , to provide a...
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...
6599853 Optical amplifier glass  
An optical amplifier glass comprising a matrix glass containing Bi 2 O 3 and at least one of Al 2 O 3 and Ga 2 O 3 , and Er doped to the matrix glass, wherein from 0.01 to 10% by mass percentage...
6568219 SrO &plus BaO &plus Nb2O5 &plus TeO2 ceram-glass electro-optical device and method of making  
The specification describes ceram-glass compositions useful for electro-optic devices. The compositions have active ferroelectric ingredients in a tellurium oxide host. Proper processing of the...
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...
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...
6492042 Ceramics material and producing the same  
The invention is a method of producing a ceramics material comprising the steps of: preparing a raw powder in which alumina particles having an average particle diameter of 0.1-1.0 μare doped with...
6482758 Single phase rare earth oxide-aluminum oxide glasses  
A bulk single phase glass comprising 23 molar % to 50 molar % rare earth oxides, RE 2 0 3 , and 50 molar % to 77 molar % aluminum oxide, A1 2 O 3 is provided. The glass contains at least 50 molar...
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....
6376399 Tungstate, molybdate, vanadate base glasses  
Alkali tungstate, molybdate and vanadate glasses, and telecommunications components embodying such glasses, the compositions of the glasses consisting essentially of 15-70 mol percent of at least...
6277775 GeAs sulphide glasses containing P  
A GeAs sulphide glass family of transparent glasses having transmission far into the infrared portion of the spectrum, containing a source of phosphorus ion as a co-dopant to effect dispersion of a...
6214471 Glasses compatible with aluminum  
A family of aluminoborate glasses that are compatible with aluminum at elevated temperatures, and an article comprising such a glass with either an aluminum coating, or with aluminum particles...
6153127 Optical thin film, forming composition thereof, and ultraviolet ray absorbing and thermic ray reflecting glass using the same  
The present invention relates to an optical thin film containing titanium oxide, cerium oxide and bismuth oxide, wherein the content ratio of the titanium oxide, cerium oxide, and bismuth oxide is...
5755998 Fluorophosphate fluorescent glass capable of exhibiting fluorescence in the visible region  
According to the present invention, there is provided a fluorophosphate fluorescent glass, capable of converting invisible ultraviolet rays into visually observable visible rays with a high...
5663109 Low temperature glass paste with high metal to glass ratio  
A metal/glass paste composition with a high metal to glass ratio and a method of using the paste to adhesively connect an integrated circuit to a ceramic substrate. The glass composition consists...
5632795 Reduction of nitrogen containing glass batch materials using excess oxygen  
A method for decreasing the amount of nitrogen and oxygen containing compounds employed in glass batch mixtures. Oxygen fuel burners are utilized to provide an oxidizing atmosphere to the molten...
5612154 Beta-alumina solid electrolyte  
A beta-alumina solid electrolyte for use in a sodium-sulfur battery is composed of beta-alumina crystals having a degree of orientation toward the C axis thereof, of 0.2-0.4 and an aspect ratio of...
5552213 Refractory fiber structures  
The invention relates to fiber structures in the form of refractory light-weight moldings. These fiber structures exhibit the advantage that they do not contain, or contain virtually no harmful...
5543366 Low temperature glass paste with improved thermal stress properties  
A glass composition and method of use having unique crystallization and crystal remelt properties is disclosed. The glass composition consists essentially by weight percent on an oxide basis: ...
5510210 Solid electrolyte for sodium-sulfur secondary cell and process for preparing the same  
The present invention is directed to a solid electrolyte and a process for making the same for a sodium-sulfur secondary cell including a composition of 7.0 to 10.0 weight percent of Na 2 O, 0.5...
5346868 Inorganic fiber  
The invention relates to inorganic fibers, and a process for their production. The inorganic fibers lose their fiber form factor after a short contact period with water or a physiological body...
5346863 Low temperature sealing composition  
A low temperature sealing composition consists essentially of 45.0 to 85.0 wt. % of PbO, 1.0 to 11.0 wt. % of B 2 O 3 , 1.0 to 45.0 wt. % of Bi 2 O 3 , 0.2 to 10.0 wt. % of Fe 2 O 3 , 0 to 15.0...
5334558 Low temperature glass with improved thermal stress properties and method of use  
A glass composition and method of use having unique crystallization and crystal remelt properties is disclosed. The glass composition consists essentially by weight percent on an oxide basis: ...
5321335 Alumina, calcia, yttria sealing composition  
The invention relates to a sealing composition suitable for bonding yttria or alumina ceramic members, or bonding refractory metals to the ceramics. The sealing composition has, in mole percent,...
5240884 Silver-glass die attach paste  
A silver-glass paste comprising silver flake, lead vanadium telluride glass, resin, surfactant and a mixture of solvents, said mixture comprising at least two solvents selected from the group...
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.,...
5217818 Substrate material for magnetic head and magnetic head using same  
A substrate material for a magnetic head, which comprises an oxide composed mainly of WO 3 and has a thermal expansion coefficient of 100 to 130×10 -7 /° C., and a magnetic head using the...
Matches 1 - 50 out of 158 1 2 3 4 >