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| Number | Title | Issue Date |
| 8096147 | Methods to fabricate a photoactive substrate suitable for shaped glass structures This invention provides an inexpensive and rapid method for fabricating a high-anisotropic-etch ratio, shaped glass structures using a novel photosensitive glass composition. Structures of the photosensitive glass may include micro-channels, micro-optics, microposts... | 01/17/2012 |
| 7427327 | Silica glass crucible with barium-doped inner wall A silica glass crucible includes a thin barium-doped inner layer, a stable, bubble-free intermediate layer, and a stable opaque outer layer. The fusion process of the present invention controls the dynamic gas balance at the fusion front where formed grain is melted... | 09/23/2008 |
| 7418835 | Low loss chalcogenide glass and process for making same using arsenic monochalcogenide This invention pertains to a chalcogenide glass of low optical loss that can be on the order of 30 dB/km or lower, and to a process for preparing the chalcogenide glass. The process includes the steps of optionally preparing arsenic monochalcogenide precursor or the... | 09/02/2008 |
| 7406841 | Glass-ceramic product with variably adjustable zero crossing of the CTE-T curve The present invention relates to a process for producing a glass-ceramic with a defined zero crossing of the CTE-T curve (CTE: coefficient of thermal expansion), and glass-ceramic products produced using the process according to the invention. ... | 08/05/2008 |
| 7407604 | Nanostructured re-doped SiO-base fluorescent materials and methods for production of same A new class of nanostructured RE-doped SiO2-base materials that display superior fluorescence properties is provided. In particular, high gain combined with a broad and flat spectral band width is observed in material composed of a high fraction of a nano... | 08/05/2008 |
| 7378128 | Crucible for the crystallization of silicon The invention relates to a crucible for the crystallization of silicon and to the preparation and application of release coatings for crucibles used in the handling of molten materials that are solidified in the crucible and then removed as ingots, and more particul... | 05/27/2008 |
| 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 |
| 7332452 | CaO-SiO-based bioactive glass and sintered calcium phosphate using same A bioactive glass having a composition substantially comprising 30 to 60 mol % of CaO, 40 to 70 mol % of SiO2 and 20 mol % or less of Na2O has low glass transition temperature and/or crystallization temperature, and a sintered calcium phosphate... | 02/19/2008 |
| 7327928 | Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method A hollow core photonic bandgap chalcogenide glass fiber includes a hollow core for passing light therethrough, a Raman active gas disposed in said core, a microstructured region disposed around said core, and a solid region disposed around said microstructured regio... | 02/05/2008 |
| 7325433 | Press oven including an intermediate body, and method for use A press oven, especially for the pressing of dental material, includes a press stamp via which pressure can be exerted on a blank in a matrix mass of a muffle. An intermediate body is positionable between the press stamp and the blank and the heat conducting capabil... | 02/05/2008 |
| 7314575 | Manufacturing method of glass substrate for magnetic disk, and manufacturing method of magnetic disk A method for manufacturing a glass substrate for a magnetic disk comprises mirror surface polishing and cleaning of a glass substrate, wherein polishing agent of which the principal component is rare-earth oxide with content of fluorine 5% by weight or less, is supp... | 01/01/2008 |
| 7305852 | Method for manufacturing quartz glass ingot The invention provides a method for manufacturing a large scale quartz glass slab ingot in a flame hydrolysis reaction in a furnace, including the steps of rotating the furnace, depositing a fused silica on a furnace bed, and extending the deposit outwardly by heati... | 12/11/2007 |
| 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 |
| 7283712 | Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method This invention pertains to a glass fiber, a Raman device and a method. The fiber is a hollow core photonic bandgap chalcogenide glass fiber that includes a hollow core for passing light therethrough, a Raman active gas disposed in said core, a microstructured region... | 10/16/2007 |
| 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 |
| 7205252 | Method of making a glass-ceramic article The method produces a glass-ceramic article substantially in the form of a plate with improved high temperature difference resistance or strength. The glass-ceramic article contains keatite mixed crystals (KMK) or high quartz mixed crystals (HQMK) as well as the kea... | 04/17/2007 |
| 7197896 | Methods of making AlO-SiO ceramics Methods for making glasses and glass-ceramics comprising Al2O3 and SiO2. Glasses made according to the present invention can be made, formed as, or converted into glass beads, articles (e.g., plates), fibers, particles, and thin coat... | 04/03/2007 |
| 7189668 | Barium lanthanum silicate glass-ceramics This invention relates to glass-ceramic materials in the BaO—La2O3—SiO2 system, which are suitable for processing via a powder route, and which, after heat-treatment have a combination of high thermal expansion and excellent refr... | 03/13/2007 |
| 7166548 | Apatite glass ceramic based on siliceous oxyapatites Apatite glass ceramic which contains at least one glass phase and at least one apatite phase and is characterized in that at least one of the apatite phases is a phosphate- and fluorine-free siliceous oxyapatite phase. ... | 01/23/2007 |
| 7107792 | Method and device for retaining and transporting flat glass in a contactless manner The method of supporting and transporting hot flat glass on a gas bed for ceramicizing includes arranging a number of spaced-apart porous or perforated planar segments to form a base with a gas-permeable support surface so that slits, which are narrower than the pla... | 09/19/2006 |
| 7098259 | Cationically curable dental materials The invention relates to a polymerizable dental material containing: (a) 3 to 80 wt. % of one or more cationically curable monomers; (b) 3 to 90 wt. % of one or more radio-opaque fillers; (c) 0.01 to 25 wt. % of initiators, retarders and/or accelerators, and; (d) 0 ... | 08/29/2006 |
| 7094666 | Method and system for fabricating strained layers for the manufacture of integrated circuits A method for forming a strained layer of semiconductor material, e.g., silicon, germanium, Group III/V, silicon germanium alloy. The method includes providing a non-deformable surface region having a first predetermined radius of curvature, which is defined by R(... | 08/22/2006 |
| 7082789 | Silica glass member for semiconductor and production method thereof A silica glass member for semiconductor in which each concentration of Fe, Cu, Cr and Ni is 5 ppb or less and the concentration of an OH group is 30 ppm or less and which has a viscosity of 1013.0 poise or more at 1200° C. is provided as a silica glass m... | 08/01/2006 |
| 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 |
| 6960399 | Crystalized glass for information recording medium, crystallized glass substrate, and information recording medium using the crystallized glass substrate Enclosed are crystallized glasses suitable for a substrate for an information recording medium such as a magnetic disc, optical disc, or optomagnetic disc, a substrate for information recording medium using such a crystallized glass substrate, and an information rec... | 11/01/2005 |
| 6936555 | Glass ceramics based on ZnO Disclosed is a substantially transparent glass-ceramic ceramic, and a method for making a glass-ceramic, exhibiting an aluminogallate spinel crystal phase and having a glass-ceramic composition that lies within the SiO2—Al2O3—ZnO... | 08/30/2005 |
| 6921310 | Gas-discharge display panel and process for manufacturing the display panel A display panel is provided that has a multilayer structure made of a colored glass layer having a desired shape and optical characteristics and a non-colored glass layer having high transparency, as well as high productivity. The display panel has a non-colored gla... | 07/26/2005 |
| 6908674 | Jadeite and its production A jadeite material has a thickness in excess of about 1.0 mm and CIELAB indices of L*>42, a*+6. The grain size of the jadeite material is less than about 30 microns and is an equiaxed grain structure. The jadeite material has an optical transmission pe... | 06/21/2005 |
| 6813903 | Method of making forsterite glass-ceramics A composition for a glass-ceramic material that contains a crystallinity of at least about 30% by weight of forsterite components at a liquidus temperature of about 1525° C. or below. The glass-ceramic has a composition, in weight percent on an oxide basis, consist... | 11/09/2004 |
| 6772608 | Method for producing UV polarizers The invention relates to a method for producing UV polarizers, according to which spheroid particles situated near the surface of the glass are incorporated into the support material (primarily standard float glass) in a novel arrangement. According to the method fo... | 08/10/2004 |
| 6743293 | Cruicible and growth method for polycrystal silicon using same A crucible used in the growth of polycrystal silicon by a cast method comprises a crucible body for, when solid material silicon is melted, containing the melted material silicon, and a material holder provided on the crucible body, for holding further material sili... | 06/01/2004 |
| 6712901 | Surface modification process of quartz glass crucible A process for modifying the surface of a quartz glass crucible and a modified quartz glass crucible produced by the process, where the crucible has a transparent coated layer containing a crystallization accelerator on the surface. The process includes coating a mix... | 03/30/2004 |
| 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 |
| 6698246 | Method for making nanocrystalline glass-ceramic fibers A method for making a glass ceramic, optoelectronic material such as a clad optical fiber or other component for use in an optoelectronic device. The method comprises preparing a glass composition batch to yield a precursor glass for a nanocrystalline gla... | 03/02/2004 |
| 6668587 | Method for the production of glass substrates for magnetic recording mediums A method for the production of a glass substrate for magnetic recording mediums is herein provided and this method is characterized in that the final cleaning step is performed in two stages, in which scrubbing and dip-cleaning steps are carried out after... | 12/30/2003 |
| 6649549 | Glass composition for crystallized glass A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's m... | 11/18/2003 |
| 6645892 | Glass composition for crystallized glass A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's m... | 11/11/2003 |
| 6645891 | Glass composition for crystallized glass A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's m... | 11/11/2003 |
| 6645890 | Glass composition for crystallized glass A polished glass disk medium substrate suitable for use as a substrate for a hard disk, a hard disk containing the substrate and methods for making the substrate. The substrate containing glass forming raw materials may be formed so as to have a Young's m... | 11/11/2003 |
