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| Number | Title | Issue Date |
| 8053382 | Optical glass Optical glass constituted by an amorphous matrix and crystal grains dispersed in the amorphous matrix, wherein the amorphous matrix comprises a first oxide of at least one of silicon oxide and phosphor oxide and a second oxide of at least one of titanium oxide and z... | 11/08/2011 |
| 8039407 | Sintered glass ceramic and method for producing the same The invention provides a method for producing a glass ceramic comprising the steps of melting a starting glass that is free from alkali, except for incidental contamination, and that contains at least one garnet-forming agent and at least one oxide of a lanthanoid; ... | 10/18/2011 |
| 7910505 | Sintered glass ceramic and method for producing the same The invention provides a method for producing a glass ceramic comprising the steps of melting a starting glass that is free from alkali, except for incidental contamination, and that contains at least one garnet-forming agent and at least one oxide of a lanthanoid; ... | 03/22/2011 |
| 7846857 | Dental glass ceramics The invention relates to dental glass-ceramics and a process for producing them and their use, with these comprising at least one crystal phase containing xenotime or monazite or mixtures thereof. ... | 12/07/2010 |
| 7687417 | Lead free glass(es), thick film paste(s), tape composition(s) and low temperature cofired ceramic devices made therefrom A glass composition consisting essentially of, based on mole percent, 46-56% B2O3, 0.5-8.5% P2O5, SiO2 and mixtures thereof, 20-50% CaO, 2-15% Ln2O3 where Ln is selected from the group cons... | 03/30/2010 |
| 7592278 | Glass ceramic A glass ceramic is specified, with a crystalline phase consisting predominantly of BPO4, and preferably exclusively of BPO4. The glass ceramic contains 10 to 50 wt.-% SiO2, 5 to 40 B2O3, 25 to 75 wt.-% P2 | 09/22/2009 |
| 7482292 | Composition for ceramic substrate, ceramic substrate, method for producing ceramic substrate A ceramic substrate composition is provided which can be co-fired with a low-melting metal and exhibits excellent dielectric characteristics at high frequencies, particularly tens of gigahertz. The ceramic substrate composition mainly contains a glass represented by... | 01/27/2009 |
| 7396785 | Composition for ceramic substrate, ceramic substrate, process for producing ceramic substrate and glass composition A ceramic substrate composition is provided which can be co-fired with a low-melting metal and exhibits excellent dielectric characteristics at high frequencies, particularly tens of gigahertz. The ceramic substrate composition mainly contains a glass represented by... | 07/08/2008 |
| 7381258 | Opaque dental ceramic—method of production and use therof The invention relates to an opaque dental ceramic for burning on a rack or implant of dental restoration at least comprising SiO2, Al2O3, B2O3, Na2O, K2O as well as TiO2. To cove... | 06/03/2008 |
| 7381232 | Process for producing CeOfine particles and polishing slurry containing such fine particles To provide a process for producing CeO2 fine particles having high crystallinity, being excellent in uniformity of composition and particle size and having a small particle size, and a polishing slurry containing such fine particles. A process for ... | 06/03/2008 |
| 7371702 | Translucent and radio-opaque glass ceramics Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion. ... | 05/13/2008 |
| 7368097 | Preparation of nanocrystalline lithium titanate spinels Process for preparing nanocrystalline lithium titanate spinels by reacting lithium hydroxide and a titanium alkoxide at elevated temperature in a reaction mixture which forms water of reaction. ... | 05/06/2008 |
| 7365036 | Crystallized glass spacer for field emission display and method its production Provided is a crystallized glass spacer for a field emission display resistant to charging with application of an electric field and resistant to chipping or cracking thanks to high fracture toughness. An SiO2—TiO2-based glass is subje... | 04/29/2008 |
| 7332453 | Ceramics, and methods of making and using the same Ceramics (including glasses and glass-ceramics) comprising nitrogen, and methods of making the same. ... | 02/19/2008 |
| 7323426 | High strain point glasses A family of glasses from the SiO2—Al2O3—P2O5 ternary system exhibiting high strain point, transparency, and low coefficient of thermal expansion. The glasses have the following composition, expressed in mol ... | 01/29/2008 |
| 7316986 | Glass ceramics for laser systems A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optiona... | 01/08/2008 |
| 7315683 | Optical waveguides formed in glass-ceramic materials and method for making same Optical waveguides are fabricated in glass-ceramic materials utilizing an ion-exchange process to pattern the waveguide at a temperature below the ceramming temperature of the glass-ceramic material. The optical waveguides may include optically-active dopants disper... | 01/01/2008 |
| 7306845 | Optical materials and optical devices Nanoscale particles, particle coatings/particle arrays and corresponding consolidated materials are described based on an ability to vary the composition involving a wide range of metal and/or metalloid elements and corresponding compositions. In particular, metallo... | 12/11/2007 |
| 7300896 | Glass ceramic and method of producing the same A glass ceramic comprises (in wt.-% on oxide basis): SiO2 35 to 60, B2O3>4 to 10, P2O5 0 to 10, Al2O3 16.5 to 40, TiO2 1 to 10, Ta2O5 0 to 8, Y2O... | 11/27/2007 |
| 7297645 | Opalescent glass-ceramic product An opalescent glass-ceramic product, especially for use as a dental material or as an additive to or component of dental material, including SiO2, Al2O3, P2O5, Na2O, K2O, CaO and Me(IV))O | 11/20/2007 |
| 7297171 | Methods of making ceramics comprising AlO, REO, ZrOand/or HfOand Nb0and/or TaO Methods for making glass-ceramics comprising Al2O3, REO, at least one of ZrO2 or HfO2 and at least one of Nb2O5 or Ta2O5. Glass-ceramics according to the present invention can be... | 11/20/2007 |
| 7291571 | Crystallizable glass and the use thereof for producing extremely solid and break resistant glass-ceramics having an easily polished surface The invention relates to crystallizable aluminosilicate magnesium-containing glass which is used for producing extremely solid and break-resistant glass-ceramics having an easily polished surface. The inventive crystallizable glass contains 5-33 mass % of SiO2 | 11/06/2007 |
| 7285507 | Ceramic composition being fired at low temperature and having high strength and method for preparing the same, and laminated electronic parts using the same A high-strength, low-temperature-sintered ceramic composition having a structure comprising a SrAl2Si2O8 Crystal and an Al2O3 crystal, the SrAl2Si2O8 crystal being composed of he... | 10/23/2007 |
| 7262466 | Strained semiconductor-on-insulator structures and methods for making strained semiconductor-on-insulator structures The present invention relates to semiconductor-on-insulator structures having strained semiconductor layers. According to one embodiment of the invention, a semiconductor-on-insulator structure has a first layer including a semiconductor material, attached to a seco... | 08/28/2007 |
| 7253128 | Ceramics comprising AIO, YO, ZrOand/or HfO, and NbOand/or TaOand methods of making the same Ceramics comprising (i) at least one of Nb2O5 or Ta2O5 and (ii) at least two of (a) Al2O3, (b) Y2O3, or (c) at least one of ZrO2 or HfO2. Embodiments of cer... | 08/07/2007 |
| 7223808 | Temporary adhesive for metal-metal and metal-ceramic bonds The invention relates to a method for the production of an adhesive and an adhesive kit for joining similar or different metal surfaces or ceramics, especially in the field of biomedicine. The objective of the invention is to avoid polymerization-linked by-products ... | 05/29/2007 |
| 7211532 | Alkali ion conductive glass-ceramics and electric cells and gas sensors using the same There are provided glass-ceramics having a high lithium ion conductivity which include in mol %: ... | 05/01/2007 |
| 7189672 | Aluminum silicophosphate glasses A substrate for flat panel display glasses comprising a glass the P2O5—SiO2—Al2O3 ternary system which yields stable glasses exhibiting high strain point temperatures, resistance to devitrification, good che... | 03/13/2007 |
| 7189670 | Dielectric ceramic and multilayer ceramic substrate A dielectric ceramic obtained by firing a raw material comprising an alumina powder, a crystallizable glass powder mainly containing SiO2, CaO and MgO, and a noncrystallizable glass powder mainly containing SiO2, B2O3 and ... | 03/13/2007 |
| 7189669 | Dielectric ceramic material and multilayer ceramic substrate A dielectric ceramic material which is obtained by firing a raw material comprising an alumina powder and a glass powder containing at least SiO2 and MgO, the dielectric ceramic material being characterized in that a ratio (MgAl2O4 (... | 03/13/2007 |
| 7183232 | Translucent and radio-opaque ceramics Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion. ... | 02/27/2007 |
| 7176492 | Method for forming ceramic microstructures on a substrate using a mold and articles formed by the method A microstructured assembly including a barrier portions and land portions is described. The microstructures have alternating barrier portions and land portions that have barrier surfaces and land surfaces, respectively. Each barrier surface and land surface is conne... | 02/13/2007 |
| 7169031 | Self-contained conditioning abrasive article Provided is a fixed abrasive article for polishing a workpiece having a hardness comprising (a) a substrate having a first surface and a second surface, (b) a region of abrasive composites distributed on the first surface of the substrate, and (c) a region of condit... | 01/30/2007 |
| 7148164 | Low expansion transparent glass-ceramics, glass-ceramic substrate and optical waveguide element There are provided low expansion transparent glass-ceramics obtained by heat treating a base glass produced at a relatively low melting temperature of 1530° C. or below. The glass-ceramics have an average linear thermal expansion coefficient within a range from +6Ã... | 12/12/2006 |
| 7148480 | Polycrystalline optical window materials from nanoceramics Optical windows for protecting infrared sensing instruments are manufactured from nano-sized crystallites by compressing the crystallites into a continuous mass under high pressure in the presence of a pulsed electric current, preferably one produced by spark plasma... | 12/12/2006 |
| 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 bonded abrasives, coated abrasives, nonwoven abrasives, and abrasive bru... | 12/12/2006 |
| 7144832 | Use of a magnesia zirconia brick The present invention relates to the use of a magnesia-zirconia brick in regenerator chambers of glass troughs, which are at least partially operated using a reducing atmosphere. ... | 12/05/2006 |
| 7144618 | Multilayer composite and method for preparing the same A multilayer composite includes an insulating substrate and patterned conductive layers and insulating layers alternately laminated on the insulating substrate. In a laminating process, a correcting insulating layer is formed on a laminate when a predetermined numbe... | 12/05/2006 |
| 7141520 | Antimicrobial alkali-silicate glass ceramic and the use thereof The invention relates to a glass ceramic, wherein the initial glass comprises 30–65 percent (by weight) SiO2; 5–30 percent (by weight) Na2O; 5–30 percent (by weight) CaO, and 0-15 percent (by weight) P2O5, and wherei... | 11/28/2006 |
| 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, including bonded abrasives, coated abrasives, nonwoven abrasives, and ... | 09/05/2006 |
