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| Number | Title | Issue Date |
| 8101535 | Ceramic ballistic armor product A ceramic ballistic material and method of manufacture is disclosed. A filler material is provided. The filler material is divided into filler granules collectively having a median diameter approximately 10 microns or less. An amount of carbon is provided. The carbo... | 01/24/2012 |
| 7352131 | Electric lamp comprising a lead-free glass component The electric lamp has a glass component with a composition which, according to the invention, is substantially free of PbO and has the following constituents: 55–70 wt. % SiO2, | 04/01/2008 |
| 7310405 | High-Z cast reflector compositions and method of manufacture A scintillator pack comprises an array of scintillator pixels and an x-ray absorbing layer disposed in inter-scintillator regions between the scintillator pixels. The x-ray absorbing layer acts to absorb x-rays and protect underlying regions of the inter-scintillato... | 12/18/2007 |
| 7217672 | Optical glass suffering little change in refractive index by radiation of light An optical glass wherein an amount of change in refractive index (Δn: difference in refractive index between a state before radiation and a state after radiation) caused by radiation of laser beam at wavelength of 351 nm having average output power of 0.43W, pulse ... | 05/15/2007 |
| 7196027 | Optical glass suffering little change in refractive index by radiation of light An optical glass wherein an amount of change in refractive index (Δn: difference in refractive index between a state before radiation and a state after radiation) caused by radiation of laser beam at wavelength of 351 nm having average output power of 0.43 W, pulse... | 03/27/2007 |
| 7186461 | Glass-ceramic materials and electronic packages including same A glass-ceramic is provided having a thermal expansion coefficient in a range of 4.0 to 8.5 ppm/° C., a dielectric constant in a range of 5–7 and a Quality factor Q of at least 400. The glass-ceramic consists essentially of SiO2 in a range of 40–55 w... | 03/06/2007 |
| 7091143 | Glass funnel for cathode ray tube, and cathode ray tube A glass funnel suitable for a chemical strengthening method of an electric field application type without impairing the safety of a cathode ray tube. A glass funnel for a cathode ray tube, characterized in that glass at a body portion 3 contains at least Na | 08/15/2006 |
| 7040121 | Sealing lighting device component assembly with solder glass preform by using infrared radiation Disclosed is a method for sealing and affixing a component assembly for an electrical lighting device to a glass lamp envelope. The assembly used in the process comprises the component, such as an electrode lead wire and a solder glass perform. The process is useful... | 05/09/2006 |
| 7037868 | Transparent tile glaze The present invention provides zinc-free glass frits that can be used to formulate glaze compositions that develop glossy surfaces when fired on ceramic products such as floor tile and wall tile. The zinc-free glass frits include, by weight, from about 50% to about ... | 05/02/2006 |
| 6989633 | Alkaline-earth aluminosilicate glass, containing CA and BA, suitable for use in lamp bulbs, and a lamp bulb containing same An alkaline-earth aluminosilicate glass having a composition (in % by weight, based on oxide) of SiO2>55-64; Al2O3 13-18; B2O3 0-5.5; M5O 0-7; CaO 5.5-14; SrO 0-8; BaO 6-17; ZrO2 0-2; CeO | 01/24/2006 |
| 6976372 | Sealing lighting device component assembly with solder glass preform by using induction heating Disclosed is a process for sealing component assembly to an electrical lighting device using induction healing. The assembly comprises the component, such as an electrode lead wire, and a solder glass perform. The process is useful, for example, in hermetically seal... | 12/20/2005 |
| 6914371 | Glass spacer The subject of the present invention is a glass spacer intended to keep two substrates spaced apart, its glass matrix having a volume electronic conductivity advantageously between 10−13 and 10−5 ohm−1·cm−1. | 07/05/2005 |
| 6903038 | Glass with a minimal stress-optic effect A glass comprising in mole percent based on oxide: SiO2 | 06/07/2005 |
| 6865909 | Method of preparing CRT funnel glass capable of effectively recycling another glass member A method for producing CRT funnel glass having a glass composition containing MgO, CaO, SrO, BaO and ZnO as essential components. Further, the total content of MgO, CaO, SrO, BaO and ZnO falls within a range of 5 to 13 mass %. As a glass material of the CRT funnel g... | 03/15/2005 |
| 6815385 | Tungsten sealing glass for use in a fluorescent lamp A tungsten sealing glass for use in a fluorescent lamp, said glass having a composition of, by mass percent, 65-76% SiO2, 10-25% B2O3, 2-6% Al2O3, 0.5-5.8% MgO+CaO+SrO+BaO+ZnO, 3-8% Li2O+Na2 | 11/09/2004 |
| 6806216 | Zinc-containing optical glass materials Zinc-containing optical glass materials with a refractive index nd between 1.52 and 1.66, an Abbe number vd of between 35 and 54 and a composition (in % by weight based on oxide) of: SiO2 38-58, ZnO 0.3-42, PbO 0- | 10/19/2004 |
| 6649551 | Cone glass for a display tube The invention relates to a method of preparing a cone glass for a display tube. The cone glass according to the invention is obtained by mixing a first portion of glass fragments having a known composition with a second portion of vitrifying materials, wh... | 11/18/2003 |
| 6642163 | CRT funnel of a non beam-index type A CRT funnel of a non beam-index type is made of a lead glass which contains 10-30 mass % of PbO and has an X-ray absorption coefficient of 40 cm-1 or more at 0.6 Å. The lead glass further contains Sb2 O3 and an additive ... | 11/04/2003 |
| 6635592 | Tungsten seal glass for fluorescent lamp A tungsten sealing glass for use in a fluorescent lamp has a composition of, by mass percent, 65-76% SiO2, 10-25% B2 O3, 2-6% Al2 O3, 0.5-5.8% MgO+CaO+SrO+BaO+ZnO, 3-8% Li2 O+Na2 ... | 10/21/2003 |
| 6617789 | Glass for covering electrodes and plasma display panel A glass for covering electrodes, which consists, as represented by mass percentage based on the following oxides, essentially of:... | 09/09/2003 |
| 6498116 | Coating and filler materials for use in localized thermal processing of glazed ceramics Coating and filler materials for localized thermal processing of glazed ceramics and other brittle and low thermal conductivity materials. The coating materials include oxide compositions that exhibit coefficients of thermal expansion which are less than ... | 12/24/2002 |
| 6450652 | Neodymium oxide doped motor vehicle windshield and safety glazing material Motor vehicle windshields and safety glazing material, suitable for use as motor vehicle windshields and safety glazing material for automobiles, trucks, buses, motorcycles, locomotives. sport utility vehicles, all terrain vehicles, and vans. The motor ve... | 09/17/2002 |
| 6437501 | CRT bulb glass containing PbO and Fe2O3 In an X-ray absorbing CRT bulb glass containing 10-40 weight % PbO and having an absorption coefficient not smaller than 40 cm-1 with respect to an X-ray having a wavelength of 0.6 angstrom, the glass contains 0.06-10 weight % Fe2 O | 08/20/2002 |
| 6432853 | Medium expansion leaded copper boroaluminosilicate glasses The present invention is directed at a leaded copper boroaluminosilicate glass, having coefficients of thermal expansion (CTES) of between 25-55×10-7 /°C. (over a range of 25-300° C.) and a softening point in the range of 550-725° C., being... | 08/13/2002 |
| 6218775 | Cathode ray tube neck glass A cathode ray tube with an improved tubular glass neck member having a softening point in the range of 640-650° C., an annealing temperature in the range of 460-472° C., a strain point in the range of 420-425° C., a coefficient of thermal expansion in ... | 04/17/2001 |
| 6214482 | Dielectric-layer for magneto-optic storage media structures A dielectric layer for use in a magneto-optic storage medium contains a compound glass of SiO2 --MO2, SiO2 --M2 O3, or SiO2 --M2 O5 and combinations thereof where M is sele... | 04/10/2001 |
| 6159883 | Ceramic dielectric compositions A low-fire, low-dielectric ceramic composition is disclosed. The ceramic composition comprises a mixture of finely divided particles consisting of 30-90% by volume of Ca--Pb--Al--Zn--B--Si glass and 70-10% by volume of oxides, which can be densified up to... | 12/12/2000 |
| 6133174 | Machinable leucite-containing porcelain compositions and methods of manufacture A method for producing a machinable feldspathic porcelain comprising leucite is presented. Machinability is imparted to feldspathic porcelains by achieving homogeneous distribution of fine crystalline constituent comprised of at least one of the following... | 10/17/2000 |
| 5763059 | Circuit board In a circuit board obtained by providing a metallized layer of wiring on the surface or interior of an insulation substrate, the insulation substrate is, for example, a multi-layer circuit board or a package for semiconductor element, the insutating subst... | 06/09/1998 |
| 5747399 | Glass for a fluorescent lamp In order to provide a glass which can be sealed to tungsten and Kovar and has a solarization resistance against the ultraviolet ray, and which is adaptable for use in a fluorescent lamp of a reduced size used as a light source for a lighting device in a l... | 05/05/1998 |
| 5725627 | Glass for a cone of a display tube, display tube envelope comprising a cone of such a glass and method of manufacturing a cone from such a glass The invention comprises a novel type of glass for a cone (3) of a display tube envelope (1), said glass being manufactured by recycling screen glass and cone glass of display tube envelopes. A mixture of screen and cone glasses is supplemented with other ... | 03/10/1998 |
| 5599752 | Glass for a cone of a display tube, display tube envelope comprising a cone of such a glass and method of manufacturing a cone from such a glass The invention comprises a novel type of glass for a cone (3) of a display tube envelope (1), said glass being manufactured by recycling screen glass and cone glass of display tube envelopes. A mixture of screen and cone glasses is supplemented with other ... | 02/04/1997 |
| 5475528 | Optical signal amplifier glasses An optical signal amplifier comprising an optical waveguide fiber integrated by thallium ion exchange in a boron-free silicate glass doped with up to 5 weight % erbium oxide, the glass having a base composition, as calculated in weight percent on an oxide... | 12/12/1995 |
| 5449645 | Glasses with PBS and/or PBSE crystals This invention is directed to the production of glass bodies containing crystallites of PbS and/or PbSe. The crystallite-containing bodies are formed by the thermal crystallization in situ of glass bodies having compositions essentially free from CdO and ... | 09/12/1995 |
| 5304518 | Hybrid package, glass ceramic substrate for the hybrid package, and composition for the glass ceramic substrate A hybrid package comprising a glass ceramic substrate and an aluminum nitride substrate bonded thereto, said glass ceramics substrate has a thermal expansion coefficient substantially the same as that of the aluminum nitride substrate.... | 04/19/1994 |
| 5256601 | Slow fading photochromic glass A silver halide photochromic glass has a. a clear luminous transmittance of about 90%, b. A darkened luminous transmittance at 20° C. below about 25%. c. A fading rate at 20° C. such that, after a five minute fading interval, the glass exhibits a percent faded lu... | 10/26/1993 |
| 5221646 | Neutron absorbing glass compositions Neutron absorbing glass compositions comprise SiO2, 6 Li2 O and optionally Al2 O3. The compositions may further include PbO. The compositions provide neutron absorption without release of gamma rays.... | 06/22/1993 |
| 5206189 | Sol-gel method for the preparation of monolithic multicomponent oxide glasses An improved method for the production of a monolithic multicomponent oxide glass is achieved by forming an oxide host gel by a sol-gel process, placing the host gel in an aqueous solution of a salt of at least one metal selected from the group consisting ... | 04/27/1993 |
| 5192718 | Lead silicate glasses A family of lead silicate glasses particularly adapted to drawing of tubing for use in the neck section of a cathode ray tube. The glasses have internal liquidi below 750° C., electrical resistivities over 8.0 ohm-cm (Log R350° C.) and linear... | 03/09/1993 |
| 5179047 | Hermetic sealing glass composition A hermetic sealing glass composition comprising an inorganic component which consists essentially of from 60 to 100 wt % of a glass powder, from 0 to 30 wt % of a filler and from 0 to 10 wt % of a pigment, wherein said glass powder consists essentially of... | 01/12/1993 |
