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| Number | Title | Issue Date |
| 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 |
| 7162892 | Method for making float glass having reduced defect density A method for reducing the defect density of glass comprising melting a glass composition comprising from 65–75 wt. % of SiO2; from 10–20 wt. % of Na2O; from 5–15 wt. % of CaO; from 0–5 wt. % of MgO; from 0–5 wt. % of Al2O | 01/16/2007 |
| 7041165 | Method for making cold-process bituminous mix The invention concerns a method for making cold-process bituminous mixes, using a bitumen-type emulsion in aqueous phase and aggregates. It consists of treating said aggregates with an agent providing hydrophobicity, prior to mixing said emulsion with said aggregate... | 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 |
| 6960873 | CRT having internal neutral density filter field of use A novel CRT and method of making the CRT are disclosed. The CRT comprises an internal neutral density filter that lies between the phosphor deposits and the interior surface of the faceplate panel. The filter enhances the contrast of the CRT without compromising cen... | 11/01/2005 |
| 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 |
| 6699605 | Glass ceramic laminate becoming relatively high in bending strength after fired In a sintered glass ceramic product including at least three layers each of which is formed by a glass ceramic material, the layers are stacked to be substantially symmetrical in a stacking direction and integrally sintered. Among the sintered layers, eac... | 03/02/2004 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5565389 | Ophthalmic glass of high refractive index The invention relates to a glass of high refractive index suitable for the close-vision part of multifocal, in particular phototropic multifocal, spectacle lenses. The glass has a composition (in % by weight, based on oxide) of: SiO2 28-40; B | 10/15/1996 |
| 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 |
| 5283210 | Low temperature sintering low dielectric inorganic composition A low temperature sintering, low dielectric inorganic composition is a ternary inorganic composition comprising cordierite, quartz glass and lead borosilicate glass, wherein if the amounts of the cordierite, quartz glass and lead borosilicate glass are re... | 02/01/1994 |
| 5265327 | Microchannel plate technology A process for fabricating microchannel plates produces large area microchannel plates that have channel exit openings as small as 0.5 micron, MTF ~1, pitch-limited resolution (a factor of 10 potential improvement in resolution) and at a cost of $0.40/sq. ... | 11/30/1993 |
| 5204289 | Glass-based and glass-ceramic-based composites This invention provides a composite article comprising mullite bubbles dispersed in one of a glass matrix and a glass-ceramic matrix, and a method of making the same. The composite ceramic article of the present invention is useful in applications requiri... | 04/20/1993 |
| 5204292 | Optical glass for a press lens An optical glass for a press lens composed of 25 to 41 mol % of SiO2, 10 to 30 mol % of B2 O3, 18 to 40 mol % of PbO, 1 to 10 mol % of Na2 O, 1 to 15 mol % of K2 O, 2 to 20 mol % of Li2 O, and ... | 04/20/1993 |
| 5162826 | High index ophthalmic glasses This invention relates to the production of glasses exhibiting a refractive index between about 1.66-1.81, a softening point between about 625°-675° C., a strain point between about 455°-490° C., a linear coefficeint of thermal expansion (25°-30... | 11/10/1992 |
| 5089172 | Thick film conductor compositions for use with an aluminum nitride substrate A thick film conductor composition adapted to be bonded to an aluminum nitride substrate is provided which comprises a sufficient amount of conductive metallic material to render the conductor composition electrically conductive when bonded to the substra... | 02/18/1992 |
| 5079193 | Encapsulant composition An encapsulant composition comprising a lead zinc silicoborate glass which forms a crystalline phase of Zn2 SiO4 and ZnB2 O4 when it is fired at 650°-800° C.... | 01/07/1992 |
| 5075261 | Sealing material A sealing material for sealing electronic parts is composed of a low-melting-point glass and a filler which has its surface modified by coating with ZnO and is compatible with low melting point glass.... | 12/24/1991 |
| 5073524 | Radiation-shielding glasses providing safety against electrical discharge and being resistant to discoloration Cerium-doped radiation-shielding glasses in the system of SiO2 -PbO-alkali metal oxides, with a high absorption coefficient for high-energy X-ray and/or gamma- and, respectively, neutron radiation which are resistant to discoloration and exhibi... | 12/17/1991 |
| 5068210 | Low dielectric constant ceramic materials A dense, sintered ceramic material having a low dielectric constant, a low firing temperature, and a low coefficient of thermal expansion is provided from a mixture of 0-30 wt. % alumina, 30-60 wt. % fused silica, and 30-70 wt. % of a glass comprised of P... | 11/26/1991 |
| 5057464 | Radiation shielding glass having an improved gamma irradiation browning and dielectric breakdown A radiation shielding glass consisting esentially of 40.0% to 60.0% SiO2, 25.0% to 45.0% of PbO, 1.5% to 2.0% CeO2, 4.5% to 12.0% Na2 O, 2.0% to 9.0% K2 O, 0% to 5.0% B2 O3, and 0% to 10.0%... | 10/15/1991 |
| 5047371 | Glass/ceramic sealing system The present invention relates to a glass/ceramic sealing system. A sealing glass having a coefficient of thermal expansion in excess of 160×10-7 in/in/° C. is provided. The glass is useful for matched sealing of copper and copper based alloys... | 09/10/1991 |
| 5028567 | Glass-ceramics A glass-ceramic obtained by heat treating a parent glass in which specific amounts of MgO and PbO are added to the SiO2 - Al2 O3 - ZnO - TiO2 system glass has a wide range of coefficients of thermal expansion an... | 07/02/1991 |
| 5015909 | Glass composition and method for manufacturing a high performance microchannel plate A glass composition consisting essentially of the following components present in the glass in the following mole percent ranges is shown: CHART I ______________________________________ CHEMICAL COMPOSITION RANGES ... | 05/14/1991 |
| 5008176 | Information recording medium having a glass substrate An information recording disk for recording an information signal along a track defined by a depression on the disk as a change of physical property of a recording material deposited on the track comprises a disk-shaped glass substrate made of a glass and... | 04/16/1991 |
| 5001086 | Sintered glass-ceramic body and method There is disclosed a sintered, alpha-cordierite solid solution glass-ceramic body in which the properties of coefficient of thermal expansion and modulus of rupture are stabilized and controlled by using a combination of two dopants in the glass during si... | 03/19/1991 |
| 4980319 | Solarization-stable ultraviolet filter glasses for the 280-500 nm transmission range Alkali silicate glasses, colorized with Co2+ or with Co2+ and Ni2+, and having the composition: ______________________________________ SiO2 52-71% by weight PbO 2.9-16.8% by weight ... | 12/25/1990 |
| 4966926 | Encapsulant composition An encapsulant composition comprising a lead zinc silicoborate glass which forms a crystalline phase of Zn2 SiO4 and ZnB2 O4 when it is fired at 650°-800° C.... | 10/30/1990 |
| 4961998 | Dielectric composition having controlled thermal expansion Dielectric ink, paste and tape compositions having controlled thermal expansion contain a mixture of glasses wherein at least one glass has a coefficient of thermal expansion (CTE) below the CTE of the substrate to which the dielectric composition is appl... | 10/09/1990 |
| 4952531 | Sealing glass for matched sealing of copper and copper alloys The present invention relates to a glass for making glass to metal seals. The coefficient of thermal expansion of the glass is in excess of 160×10-7 in/in/°C. making the glass particularly useful for sealing copper and copper based alloys. Th... | 08/28/1990 |
| 4946622 | Blue luminescing glasses There are described blue luminescent glasses having the following compositions (a) 0 to 90 mole % alkali metal oxide (sodium oxide, potassium oxide, lithium oxide), individually or several together, 0 to 90 mole % alkaline earth metal oxide (magnesium oxi... | 08/07/1990 |
| 4940674 | High strength, haze-free, transparent glass-ceramics The present invention is directed to transparent, essentially haze-free glass-ceramic articles exhibiting moduli of rupture in excess of 10,000 psi which consist essentially, in weight percent, of 3-6% Li2 O, 17-23% Al2 O3... | 07/10/1990 |
| 4906597 | Solarization-stable ultraviolet filter glasses for the 280 - 500 nm transmission range Alkali silicate glasses, pigmented with Co2+ or with Co2+ and Ni2+, and having the composition: ______________________________________ SiO2 52-71% by weight PbO 2.9-16.8% by weight ... | 03/06/1990 |
| 4897509 | Glass-ceramics for electronic packaging This invention relates to the production of glass-ceramic materials particularly suitable for use as substrates in integrated circuit packaging. The inventive glass-ceramics can be prepared from thermally crystallizable glass capable of being concurrently... | 01/30/1990 |
| 4818648 | Optical memory element An optical memory element comprising a substrate with grooves functioning as grooves for, for example, controlling the position of a laser beam, wherein said substrate is composed of a glass containing SiO2 in the range of 51 to 71% by weight, ... | 04/04/1989 |
