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| Number | Title | Issue Date |
| 8174764 | Polarizing glass and optical isolator The near-field extinction ratio of a polarizing glass is increased. A polarizing glass contains anisotropically shaped metal particles oriented and dispersed in a glass substrate, which contains 0.40-0.85 wt % Cl relative to the entire glass substrate. The Vickers h... | 05/08/2012 |
| 7429546 | Silica glass containing TiOand process for its production A silica glass containing TiO2, which has a fictive temperature of at most 1,200° C., a F concentration of at least 100 ppm and a coefficient of thermal expansion of 0±200 ppb/° C. from 0 to 100° C. A process for producing a silica glass contai... | 09/30/2008 |
| 7368403 | Synthetic quartz glass for optical member, projection exposure apparatus and projection exposure method A synthetic quartz glass for an optical member, which is to be used in an optical device employing an ArF excimer laser beam as a light source at an energy density of at most 2 mJ/cm2/pulse or in an optical device employing a KrF excimer laser beam as a l... | 05/06/2008 |
| 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 |
| 7312170 | Optical synthetic quartz glass and method for producing the same The present invention provides an optical synthetic quartz glass material which substantially does not cause changes in transmitted wave surface (TWS) by solarization, compaction (TWS delayed), rarefaction (TWS progressed) and photorefractive effect when ArF excimer... | 12/25/2007 |
| 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 |
| 7295367 | Optical element, optical apparatus, film forming method, film forming apparatus and device fabrication method An optical element includes a multilayer film, and a substrate, wherein the multilayer film includes a first thin film that is formed on the substrate, and made of fluorine-doped oxide or nitride, and a second thin film that is formed on the first thin film, and mad... | 11/13/2007 |
| 7294595 | Silica glass A silica glass containing from 3 to 10 mass % of TiO2, which has a coefficient of thermal expansion from 0 to 100° C., i.e. CTE0 to 100, of 0±300 ppb/° C. and an internal transmittance per mm in thickness within a wavelength region of from 2... | 11/13/2007 |
| 7288775 | Synthetic quartz glass optical material for YAG laser with higher harmonic It is an object of the present invention to provide synthetic quartz glass optical materials suitable for use in YAG of higher order harmonics. The damage threshold value in J/cm2 (energy density at which cracks occur generated by irradiation) is to be co... | 10/30/2007 |
| 7265070 | Synthetic silica glass optical material having high resistance to optically induced index change Disclosed is a synthetic silica glass optical material having high resistance to optical damage by ultraviolet radiation in the ultraviolet wavelength range, particularly in the wavelength region of less than about 250 nm and particularly, exhibiting a low laser ind... | 09/04/2007 |
| 7162894 | Method for charging quartz glass objects with hydrogen The invention relates to the loading of quartz glass objects with hydrogen in an annealing process in a furnace for improving the homogeneity of the refractive index and the laser resistance while, at the same time, maintaining a specified stress birefringence of ea... | 01/16/2007 |
| 7118802 | Multi-layer ceramic composite material with a thermal-protective effect A two-layer ceramic composite material, wherein the first predominantly load-bearing layer is an oxidic, carbon-free fiber-reinforced ceramic layer which is made by a colloidal process. The second predominantly thermally insulating layer is an oxide-ceramic foam. Th... | 10/10/2006 |
| 7041366 | Porous silicon nitride ceramics and method for producing the same The invention provides porous silicon nitride ceramics that having uniform, fine closed pores and a manufacturing method thereof. Metal Si powder is mixed with a sintering additive, followed by thermal treatment, which is a pre-process for forming a specific grain b... | 05/09/2006 |
| 6969546 | Thermal insulation system employing oxide ceramic matrix composites A ceramic tile includes a ceramic core material and an oxide ceramic matrix composite (CMC), where the ceramic core material has at least one surface covered by the oxide CMC. The oxide CMC includes a ceramic fiber, with a cured metal oxide ceramic material impregna... | 11/29/2005 |
| 6946416 | Fused silica having improved index homogeneity Fused silica articles exhibiting improved internal transmission and decreased absorption change when irradiated with a laser when compared with fused silica articles containing lower levels of aluminum. The articles also exhibit induced transmission when irradiated ... | 09/20/2005 |
| 6890873 | Glass prepared from pyrogenically prepared silicon dioxide Pyrogenically prepared silicon dioxide with the following physicochemical properties: 1. Average particle size (D50 value) D50≧150 nm (dynamic light scattering, 30 wt %) 2. Viscosity (5 rpm,... | 05/10/2005 |
| 6852300 | Process for preparing silica or silica-based thick vitreous films according to the sol-gel technique and thick films thereby obtained A sol-gel process allowing preparation, on a substrate, of glassy films of silicon oxide or mixed oxides based on silicon oxide, of thickness above 1 micrometer, generally between 2 and 20 micrometers and characterized by absence of defects, that turn out to be part... | 02/08/2005 |
| 6852271 | Flexible insulation blanket having secondarily bonded ceramic matrix composite layer A flexible insulation blanket having a smoothly surfaced, secondarily bonded, ceramic matrix composite (CMC) outer layer, and a method of producing a flexible insulation blanket having a secondarily bonded CMC layer by forming a CMC prepreg layer comprising a woven ... | 02/08/2005 |
| 6849114 | Dispersion comprising silicon/titanium mixed oxide powder, and green bodies and shaped glass articles produced therefrom Aqueous dispersion comprising silicon/titanium mixed oxide powder with a BET surface area of 5 to 500 m2/g which has been prepared by flame hydrolysis and has a titanium dioxide content of 0.5 to 20 wt. %, based on the powder, water and at least one pH-re... | 02/01/2005 |
| 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 |
| 6844057 | Method for secondarily bonding a ceramic matrix composite layer to a flexible insulation blanket and an insulation blanket produced thereby A flexible insulation blanket having a smoothly surfaced, secondarily bonded, ceramic matrix composite (CMC) outer layer, and a method of producing a flexible insulation blanket having a secondarily bonded CMC layer by forming a CMC prepreg layer comprising a woven ... | 01/18/2005 |
| 6833949 | Film coated optical lithography elements and method of making The invention provides coated optical lithography elements and methods of coating optical elements, and particularly optical photolithography elements for use in below 240 nm optical photolithography systems utilizing vacuum ultraviolet light (VUV) lithography wavel... | 12/21/2004 |
| 6831026 | Essentially lead free glass and a glass tube made therefrom The invention relates to an essentially lead free glass. The lead free glass is suitable for making glass tubes and glass tubes for electric lamps in particular. The essentially lead free glass is characterized by having the lead oxide of a lead glass replaced by 1.... | 12/14/2004 |
| 6825139 | Poly-crystalline compositions The invention relates to a crystalline composition, a poly-crystalline product and an article of manufacture comprising an amount of SiO2, Al2O3, CaO, Fe2O3, TiO2, K2O, P2O5... | 11/30/2004 |
| 6818314 | Chemical resistant glass fusing composition and process for metal motor vehicle and building industry articles A chemical, thermal, and electrical corrosion resistant dry mix for use in fusing glass to metal motor vehicle and building industry articles. A chemical, thermal, and electrical corrosion resistant composition for fusing glass to metal motor vehicle and building in... | 11/16/2004 |
| 6819860 | Optical amplifying glass and optical waveguide An optical amplifying glass comprising 100 parts by mass of a matrix glass and from 0.1 to 10 parts by mass of Er doped to the matrix glass, wherein the matrix glass comprises Bi2O3, at least one of B2O3 and SiO2 | 11/16/2004 |
| 6800375 | Chemical resistant glass fusing composition and process for metal motor vehicle and building industry articles A chemical, thermal, and electrical corrosion resistant dry mix for use in fusing glass to metal motor vehicle and building industry articles. A chemical, thermal, and electrical corrosion resistant composition for fusing glass to metal motor vehicle and building in... | 10/05/2004 |
| 6783920 | Photosensitive glass variable laser exposure patterning method The direct-write pulsed UV laser technique combined with the variable laser exposure fabrication method entails the precise variation of the laser irradiance during pattern formation in the photostructurable glass for variable laser exposing processing. The variable... | 08/31/2004 |
| 6713180 | Improvements in or relating to tempered glazings and glass for use therein Glazing, thermally tempered to required standards, are produced more readily by tempering panes having a high coefficient of thermal expansion (greater than 93×10−7 per degree Centigrade) and for a low Fracture Toughness (less than 0.72 MPam½ | 03/30/2004 |
| 6713417 | Insulative ceramic compact An insulative ceramic compact is composed of a fired mixture of (A) a MgAl2O4, Mg3B2O6 and/or Mg2B205 ceramic powder, and (B) a glass powder including from about 13 to 50% by wei... | 03/30/2004 |
| 6676719 | Aqueous dispersion, a process for the preparation and the use thereof A pyrogenic process is used to prepare alkali-doped silica particles. Particles produced by this process exhibit homogeneous doping, reduced agglomeration, greater stability and higher removal rates. Aqueous dispersions containing alkali-doped pyrogenic s... | 01/13/2004 |
| 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 element. A process for producing such glass includes (a) pr... | 11/11/2003 |
| 6602623 | Low-temperature firing ceramic composition, process for producing same and wiring substrate prepared by using same A low-temperature firing ceramic composition contains Sr2 MgSi2 O7 crystals forming a major crystal phase of the composition. This composition can be produced, for example, by a process including the steps of (a) mixing to... | 08/05/2003 |
| 6587262 | UV synthetic silica glass optical member and reduction projection exposure apparatus using the same This invention provides a synthetic silica glass optical member used together with light having a specific wavelength of 250 nm or less, in which the difference between the maximum value and the minimum value of transmittance [%/cm] per cm in thickness fo... | 07/01/2003 |
| 6587181 | Optical system with improved durability for projection exposure apparatus and method for manufacturing optical system for projection exposure apparatus An optical system is provided in a projection exposure apparatus for processing an excimer laser beam. The optical system includes at least one optical member made of silica glass having a chlorine concentration of about 1 ppm or less, and at least one op... | 07/01/2003 |
| 6569793 | Fluidized reaction of synthetic silicates A process is disclosed in which coarse silica, calcium oxides and magnesium oxides are treated in a ball mill together with grinding aids and cold-strength binders. This material is then agglomerated with water to produce a product that reacts at elevated... | 05/27/2003 |
| 6524703 | Decorative vitreous beads and products and methods of making same The decorative vitreous beads of the present invention have a hard, solid, substantially vitreous, unitary body comprised primarily of silica and having a generally spherical form, with the largest dimension being in the range between 1/8 inch to 2 inches... | 02/25/2003 |
| 6508959 | Preparation of energy storage materials A process is provided for the preparation of a metallic oxide composite including mixing an aqueous solution of a water-soluble metal compound and colloidal silica, depositing the mixture upon a substrate, heating the mixture-coated substrates at temperat... | 01/21/2003 |
| 6501014 | Coated article and solar battery module An object of the invention is to provide a coated article having a protective member which is improved in light transparency, heat resistance, and weather resistance, and easy to manufacture, as typified by a solar battery module which experience no deter... | 12/31/2002 |
| 6500778 | Glass substrate for a display A glass substrate for a display, which has a strain point of at least 550° C., an average linear expansion coefficient of from 65×10-7 to 100×10-7 /°C. within a range of from 50 to 350° C. and a ratio KIC /d of at lea... | 12/31/2002 |
