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| Number | Title | Issue Date |
| 7981823 | Transparent glass ceramic plate that has an opaque, colored bottom coating over the entire surface or over part of the surface A transparent, colorless lithium-aluminosilicate glass ceramic plate with high-quartz mixed crystals as the prevailing crystal phase, which is provided on one side with an opaque, colored, temperature-stable coating over the entire surface or over the entire surface... | 07/19/2011 |
| 7476633 | β-spodumene glass-ceramic materials and process for making the same The present invention relates to glass-ceramic materials, processes for making the same and articles comprising the same. The glass-ceramic material has a composition, by weight of the total composition, comprising 55-68% SiO2; 18-24% Al2O... | 01/13/2009 |
| 7316740 | Lithium silicate materials Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength. ... | 01/08/2008 |
| 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 |
| 7285506 | Lamp reflector substrate, glass, glass-ceramic materials and process for making the same The present invention relates to glass, glass-ceramic materials, lamp reflectors and processes for making them. The glass material has a composition, by weight of the total composition, comprising 56-67% SiO2; 9-22% Al2O3; 3.4-3.8% L... | 10/23/2007 |
| 7262144 | Photostructurable body and process for treating a glass and/or a glass-ceramic The invention relates to a photostructurable body, in particular glass or glass-ceramic, in which the glass is a multicomponent glass and/or the glass-ceramic is a multicomponent glass-ceramic, in each case having a positive change in refractive index Δn as a resul... | 08/28/2007 |
| 7241140 | Burning oven A burning oven is provided, and has a housing that surrounds a combustion chamber in which material that is to be burned can be introduced after the housing is opened and can be placed upon a combustion chamber base. A deposit element is disposed externally of the c... | 07/10/2007 |
| 7229286 | Composite veneered cast glass-ceramic dental construct A dental construct according to the present invention includes a glass-ceramic coping having a resin composite material in the form of a veneer bonded or otherwise affixed to at least a portion of the coping. A method according to the invention of preparing the dent... | 06/12/2007 |
| 7226881 | Ultra low thermal expansion transparent glass ceramics There are provided glass-ceramics having an ultra low thermal expansion property and super flat surface capable of coping with lithography for the next generation LSI and component parts for semiconductor equipment such as masks, optical reflecting mirrors, wafer st... | 06/05/2007 |
| 7220690 | Glass ceramic having a low thermal expansion The present invention relates to a novel glass ceramic having a low or small average thermal expansion together with good polishability and processability, to the use of the glass ceramic according to the invention, and to optical components made of the glass cerami... | 05/22/2007 |
| 7216510 | Method for the forming of glass or glass ceramics A process for forming glass or glass ceramics is disclosed, wherein a glass ceramics form (12) is made from a starting glass by molding, which is transformed by a heat treatment into a keatite glass ceramic comprising predominantly keatite mixed crystals. Wit... | 05/15/2007 |
| 7199066 | Lamp reflector substrate, glass, glass-ceramic materials and process for making the same The present invention relates to glass, glass-ceramic materials, lamp reflectors and processes for making them. The glass material has a composition, by weight of the total composition, comprising 56–67% SiO2; 9–22% Al2O3; 3.4–... | 04/03/2007 |
| 7169476 | Zinc oxide-alumina-silica-based crystallized glass A zinc oxide-alumina-silica-based crystallized glass is provided, containing zinc oxide, alumina and silica as main components, and zirconia as a nucleating agent. The main components are provided in a ratio of 20–30% by mass of zinc oxide, 15–25% by mass of alu... | 01/30/2007 |
| 7160824 | Glass compositions Disclosed are glass compositions and glass fibers formed from certain embodiments of the disclosed glass compositions. Certain embodiments of the glass compositions include, among other components, bismuth oxide. Certain embodiments of the glass composition include ... | 01/09/2007 |
| 7157149 | Surface-modified glass-ceramics and their preparation The present invention relates to a product, comprising a body which is delimited by a surface, of a lithium aluminosilicate-based glass-ceramic, as well as to its method of preparation. Characteristically, said glass-ceramic has, on at least one part of said surface... | 01/02/2007 |
| 7153795 | Glass and glass-ceramic materials, articles and method of preparing the same The present invention relates to novel glass and glass-ceramic materials, articles made from said novel glass-ceramics and to methods of preparing said novel glass-ceramics and articles. Said novel, transparent, translucent or opaque glass-ceramics, which contain, a... | 12/26/2006 |
| RE39437 | Negative thermal expansion glass ceramic A negative thermal expansion glass ceramic having a negative coefficient of thermal expansion, which is a sufficiently large absolute value in a temperature range of −40° C. to +160° C. and a method for producing the same are provided. The negative thermal expan... | 12/19/2006 |
| 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 |
| 7106941 | Substrate for optical communication device, method for production thereof and optical communication device using the same The optical communication device substrate according to the present invention includes one of ceramic and glass ceramic each having an average thermal expansion coefficient of −55 to −120×10−7°/C. in the temperature range of −40 to +100°C. and ... | 09/12/2006 |
| 7091141 | Lamp reflector substrate, glass, glass-ceramic materials and process for making the same The present invention relates to glass, glass-ceramic materials, lamp reflectors and processes for making them. The glass material has a composition, by weight of the total composition, comprising 56–67% SiO2; 9–22% Al2O3; 3.4–... | 08/15/2006 |
| 7071132 | Low expansion transparent glass ceramics 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... | 07/04/2006 |
| 7071131 | Cerammable mineral glass, glass-ceramic articles and preparation thereof The present invention relates to novel mineral glasses which are cerammable and which have a composition, expressed in percentages by weight of oxides, consisting essentially of: SiO2 65–70; Al2O3 18–20.5; Li2O 2.5–3... | 07/04/2006 |
| 7056848 | Nonporous keatite glass ceramic support plate for transporting products during heat treatment, method of making same and method of transporting products therewith The support plate for transporting products during thermal treatment at firing temperatures is a nonporous keatite glass ceramic supporting member without a glassy surface layer. It has a nubby structure on an underside thereof and preferably C-shaped rounded edges.... | 06/06/2006 |
| 7004911 | Optical thermal mapping for detecting vulnerable plaque An optical thermal device and methods for monitoring temperature and detection of a vulnerable plaque of a patient comprising an elongate tubular element comprising at least one optical fiber; the fiber having at least one optical grating along an axis of the fiber;... | 02/28/2006 |
| 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 |
| 6975793 | Method and apparatus facilitating mechanical beam steering for optical integrated circuits Actuators facilitating mechanical beam steering for optical integrated circuits are disclosed. The mechanical beam steering can mitigate thermal sensitivity of optical circuits, for example, arrayed waveguides. Also disclosed are methods for fabricating optical inte... | 12/13/2005 |
| 6974249 | Thermal history sensor An improved thermal history sensor having multiple glass ceramic substrates with unique compositions is disclosed. By positioning the sensor adjacent to a component subject to thermal stressors, each of the glass ceramic substrates react with a different rate of nuc... | 12/13/2005 |
| 6953538 | Electroconductive low thermal expansion ceramic sintered body An electroconductive low thermal expansion ceramic sintered body is disclosed which containing a β-eucryptite phase in a quantity of not less than 75 vol. % and not more than 99 vol. % and having an absolute value of thermal expansion coefficient of not more than 1... | 10/11/2005 |
| 6946414 | Glass-ceramics, process for the their preparation and use Glass-ceramic consisting of: SiO2: −30-70 wt %; A12O3: 8-45 wt %; M2O:8-30 wt %; MO: 0-30 wt %; B2O3: 0-15 wt %; P2O5: 0-15 wt %; Zr2O: 0-12 wt %; TiO2: 0... | 09/20/2005 |
| 6907164 | Adjustable athermal package for optical fiber devices An athermally packaged optical fiber device, such as a Bragg grating, is provided. The device includes a hollow structure, and a free and a threaded member projecting in the hollow structure from both ends. The optical fiber is mounted in tension inside the hollow s... | 06/14/2005 |
| 6893728 | Low temperature-fired porcelain and electronic parts The present invention provides a low temperature fired porcelain comprising crystalline phases including sanbornite, celsian and β-cristobalite phases when measured by a high power X-ray diffractometer. The ratio of the peak intensity of (101) plane of α-cristobal... | 05/17/2005 |
| 6849334 | 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... | 02/01/2005 |
| 6821628 | Glass-ceramic cooking panel that makes deposited material, such as dirt, less conspicuous The cooking panel is made from an opaque glass-ceramic material uniformly colored throughout and having keatite mixed crystals as the predominant crystalline phase. The cooking panel is made by ceramicizing a ceramicizable glass or a transparent glass-ceramic with h... | 11/23/2004 |
| 6794020 | Cooking device with a glass-ceramic panel providing a cooking surface in a variety of different colors and method of making same The glass ceramic panels are non-transparent and have at least one decoration. In order to fulfill the requirements for a glass ceramic panel that provides a cooking surface for a cooking unit in a variety of different pleasing colors, especially a creamy white colo... | 09/21/2004 |
| 6770111 | Pollucite-based ceramic with low CTE A ceramic structure which is pollucite-based and has high refractoriness and high resistance to thermal shock. The inventive structure is suitable in high temperature applications such as a filtering particulates from diesel engine exhaust. ... | 08/03/2004 |
| 6750167 | Crystallized glass A crystallized glass is provided. A β-quartz solid solution or a β-eucryptite solid solution is precipitated as a main crystal. The crystallized glass has a crystallization degree not less than 70 mass %, a crystal grain size not more than 0.5 μm, substantially n... | 06/15/2004 |
| 6706653 | Glass-ceramic and a process for obtaining it The present invention relates to: a glass-ceramic which is opaque which has a low, or zero thermal expansion coefficient, which contains a solid solution of β-quartz as crystalline phase, which has a specific composition; and, to | 03/16/2004 |
| 6689704 | Glass material and glass ceramic product A SiO2 --Al2 O3 --Li2 O component-based glass material, which comprises, as basic components, SiO2 : 60-63 wt %; Al2 O3 : 23-25 wt %; and Li2 O: 4-5 wt % and, as modifying ... | 02/10/2004 |
| 6673433 | Stainproof material and method for manufacturing the same, and coating composition and apparatus thereof Disclosed are antifouling material possessing excellent surface antifouling properties, particularly excellent antifouling activity against greasy stains and soils, a process for producing the same, and a coating composition and an apparatus for the antif... | 01/06/2004 |
| 6673729 | Glass ceramic The invention relates to a glass and a glass-ceramic comprising beta-quartz and/or keatite solid solutions, and to a process for their production, and to their use as substrate material for coating. Glass-ceramic comprising beta-quartz and/or keatite soli... | 01/06/2004 |
