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7618908 |
Visible light optical polarizer made from stretched H2-treated glass
The invention is directed to a method for preparing visible light optical polarizers using a non-halide silver salt and any glass composition that the non-halide silver salts is soluble, provided...
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7612002 |
Glass fibre for the reinforcement of organic and/or inorganic materials, method for production of said glass fibres and corresponding composition
Glass reinforcement strand, the composition of which comprises the following constituents, within the limits defined below, expressed as percentages by weight:
SiO 2 50 to 60%, preferably SiO 2 ...
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7611774 |
Glass ceramic or glass element that can be subjected to great thermal loads and is decorated with a metallic color
The glass ceramic or glass element that can be subjected to high thermal loads is decorated with a metallic colorant. The metallic colorant consists of a melted silicate and at least one effect...
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7605100 |
Lead and arsenic free optical hard crown glasses
The present invention relates to lead and arsenic free optical hard crown glasses with a low transformation temperature (Tg≦520° C.), characterized by their optical range with a refractive index...
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7596968 |
Borosilicate glass compositions and uses thereof
Glass, glass compositions, methods of preparing the glass compositions, microfluidic devices that include the glass composition, and methods of fabricating microfluidic devices that include the...
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7582581 |
Alkali-free glass
A subject for the invention is to provide an alkali-free glass which is capable of reducing or totally eliminating As 2 O 3 and which has fewer bubble inclusion than that in the prior technology. ...
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7576021 |
Mother glass composition for graded index lens, graded index lens, manufacturing method of graded index lens, optical product and optical instrument using the same
A mother glass composition for graded index lenses, comprising the following glass components in mol %: 40≦SiO 2 ≦65, 1≦TiO 2 ≦10, 0≦MgO≦22, 2≦Li 2 O≦18, 2≦Na 2 O ≦20, 6≦Li 2...
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7572746 |
Optical glass
An optical glass having optical constants of refractive index (nd) within a range from 1.49 to 1.54 and Abbe number (ν d) within a range from 55 to 65 comprises, in mass %,
SiO 2 >65-75% R 2...
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7566673 |
Glass substrate for an information recording medium and information recording medium employing it
A chemically strengthened glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD, wherein a strengthened formed by...
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7517822 |
UV-blocking borosilicate glass, the use of the same, and a fluorescent lamp
The invention relates to a borosilicate glass having the following composition (in wt. % based on oxide content): between 55 and 80 of SiO 2 ; between 8 and 25 of B 2 O 3 ; between 0.5 and 10 of Al...
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7515802 |
Glass fibre with at least two glass layers
The glass fiber for an optical amplifier has a matrix glass core, a first glass cladding, and a second glass cladding. The matrix glass core has a composition, in mol %, of Bi 2 O 3 , 30-60; SiO 2...
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7491668 |
UV-radiation absorbing glass with high chemical resistance, especially for a fluorescent lamp, and methods of making and using same
The chemically resistant borosilicate glass has the following composition (in % by weight): SiO 2 , 67-74; B 2 O 3 , 5-10; Al 2 O 3 , 3-10; Li 2 O, 0-4; Na 2 O, 0-10; K 2 O, 0-10; MgO, 0-2; CaO,...
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7490486 |
Method for producing borosilicate glasses
The process of producing a refined borosilicate glass includes preparing a glass batch with a composition in wt. % on the basis of oxide content of SiO 2, 65-82; Al 2 O 3 , 2-8; B 2 O 3 , 5-13;...
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7452607 |
Glass for covering electrode
Provided is a nonlead glass for covering an electrode, which comprises, in mol %, B 2 O 3 15-65%, SiO 2 2-38%, MgO 2-30%, MgO+CaO+SrO+BaO 5-45%, Li 2 O 1-15%, Li 2 O+Na 2 O+K 2 O 2-25% and...
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7396788 |
Glass composition and glass substrate
A glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD or of an optical communication device, and a glass...
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7390761 |
Alkaline-earth aluminosilicate glass and use thereof
The invention relates to an alkaline-earth aluminosilicate glass with the following composition (in wt. %, based on oxide content): SiO 2 >58-62; B 2 O 3 0 5.5; Al 2 O 3 13.5 17.5; MgO 0-7;...
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7381258 |
Opaque dental ceramic—method of production and use therof
The invention relates to an opaque dental ceramic for burning on a rack or implant of dental restoration at least comprising SiO 2 , Al 2 O 3 , B 2 O 3 , Na 2 O, K 2 O as well as TiO 2 . To cover...
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7375043 |
UV-radiation absorbing glass with reduced absorption of visible light and methods of making and using same
The method for making UV-absorbing glass, which transmits in a visible range, includes melting raw materials to form a melt and producing the melt under oxidative conditions. The UV-absorbing glass...
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7365037 |
Quartz glass having excellent resistance against plasma corrosion and method for producing the same
As a jig material to use under plasma reaction for producing semiconductors the present invention provides a quartz glass having resistance against plasma corrosion, particularly corrosion...
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7358205 |
Alkali-free glass substrate
An alkali-free glass substrate containing, by mass percent, 50-70% of SiO 2 , 10-25% of Al 2 O 3 , 5-20% of B 2 O 3 , 0-10% of MgO, 0-15% of CaO, 0-10% of BaO, 0-10% of SrO and 0-5% of ZnO, also...
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7341967 |
Glass for press molding
The present invention provides a novel glass material that allows the production of a glass product having both excellent chemical durability and high precision by a press molding method....
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7341966 |
Borosilicate glass compositions and uses thereof
Glass, glass compositions, methods of preparing the glass compositions, microfluidic devices that include the glass composition, and methods of fabricating microfluidic devices that include the...
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7341965 |
Bismuth oxide glasses containing germanium oxide
The invention relates to bismuth oxide glass, containing germanium oxide, a method for the production thereof, the use thereof and a glass fiber consisting of said inventive glass.
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7326666 |
Glass for forming barrier ribs, and plasma display panel
Glass for forming barrier ribs for e.g. a plasma display panel, which consists, as represented by mol % based on the following oxides, essentially of from 24 to 50% of SiO 2 , from 13 to 23% of B 2...
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7323427 |
Boron aluminosilicate glass
A short optical glass is disclosed which is particularly suited for the applications imaging, projection, telecommunication, optical information technology and/or laser technology, also...
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7247987 |
Rear plate for plasma display panel
Disclosed is a rear plate of a plasma display panel. In the rear plate, a dielectric layer or a barrier wall layer is formed by forming slurry in a tape of a green tape and then attaching the green...
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7217673 |
Solarization stable borosilicate glass and uses thereof
The borosilicate glass of the invention is highly resistant to solarization, because it is free of CeO 2 . Also it contains 0.01 to 0.05 wt. % of Fe 2 O 3 and 0.05 to 0.8 wt. % of TiO 2 . This...
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7211957 |
Alumino earth-alkali silicate glasses with high thermal capacity for light bulbs and use thereof
An alumino earth-alkali silicate glass for lamp bulbs of tungsten halogen incandescent lamps has the following glass composition (% by weight) that reduces discoloration during operation of the...
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7202188 |
Lead- and barium-free crystal glass
A lead- and barium-free crystal glass having a refractive index of at least 1.55, with in % by weight, more than 50% and less than 60% SiO 2 , more than 0.6% and less than 4% B 2 O 3 , less than 3%...
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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...
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7192898 |
Glass composition and glass substrate
A glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD or of an optical communication device, and a glass...
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7166549 |
Antimicrobial, anti-inflammatory, wound-healing and disinfecting glass and use thereof
The invention relates to an antimicrobial, anti-inflammatory and disinfecting glass, whereby the glass comprises: 30–95 wt. % SiO 2 ,0–40 wt. % Na 2 O, 0–40 wt. % K 2 O, 0–40 wt. % Li 2 O,...
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7157392 |
Alkali-free aluminoborosilicate glasses, and uses thereof
An alkali-free aluminoborosilicate glass having a coefficient of thermal expansion α 20/300 of between 2.8×10 −6 /K and 3.8×10 −6 /K, which has the following composition (in % by weight,...
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7144834 |
Optical colored glass, its use, and an optical long-pass cutoff filter
The invention concerns an optical colored glass with a composition (in percent by weight based on oxide) of
SiO 2 30–75; K 2 O 5–35; B 2 O 3 >4–17; ZnO 5–37; F 0.01–10; CdO 0.1–1,...
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7102242 |
Lead-free glass tubing, especially for encapsulating diodes and diodes encapsulated with same
The lead-free glass tubing of the SiO 2 —B 2 O 3 —R 2 O—BaO—ZnO—TiO 2 system has a composition, in percent by weight on an oxide basis, consisting essentially of: SiO 2 , 34 to 52; B 2 O...
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7087543 |
Optical glass, press-molding preform and optical element
An optical glass having a refractive index (nd) of 1.57 to 1.67, an Abbe's number (νd) of 55 to 65 and a glass transition temperature (Tg) of 560° C. or lower and having a low-temperature...
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7087541 |
Glass composition for display panels
A glass composition suitable for manufacturing plasma displays and large-area displays using the fusion draw process is provided. The glass composition includes 59–66 mol % SiO 2 , 14.5–18.0...
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7045475 |
High refractive index glass beads for high retroreflectivity surfaces
Glass formulations, and a method of converting such glass formulations to glass beads having a refractive index of at least 1.59 and a high level of retroreflectivity, are provided. The methods and...
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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....
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6992031 |
Method for producing aluminosilicate glass
The invention relates to a method for producing aluminosilicate glass that is devoid of alkali and that has a B 2 O 3 content of between 0 and <5 wt.-% and a BaO content in excess of 5.5 wt.-%....
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6992030 |
Low-density glass for flat panel display substrates
Disclosed is a glass material essentially free of BaO and alkali oxide particularly suitable for the glass substrate of LCDs. The glass material consists essentially, expressed in mole percent on...
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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 SiO 2 >55-64; Al 2 O 3 13-18; B 2 O 3 0-5.5; M 5 O 0-7; CaO 5.5-14; SrO 0-8; BaO 6-17; ZrO 2 ...
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6949485 |
Glass for substrate and glass substrate
A glass for substrate, which consists, as represented by mass percentage, essentially of:
SiO 2 40 to 59%, Al 2 O 3 5 to 20%, B 2 O 3 0 to 8%, MgO 0 to 10%, CaO 0 to 12%, SrO 2 to...
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6942934 |
Glass material for a substrate, glass substrate, and information recording medium employing the same
A glass material for a substrate, or a glass substrate, consists essentially of the following glass ingredients: from 45 to 70 wt % of SiO 2 , from 1 to 10 wt % of Al 2 O 3 , from 0.5 to 8 wt % of...
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6939819 |
Glass ceramic composition
A glass ceramic composition which consists essentially of an inorganic material powder having a melting point or a glass transition point of at least 1,000° C. and a glass powder having a glass...
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6933253 |
Alkali-free glass and method for producing the same
An alkali-free glass applicable to a light transparent glass substrate in a liquid crystal display essentially consists, by weight, of basic elements of 40-70% SiO 2 , 6-25% Al 2 O 3 , 5-20% B 2 O...
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6905989 |
Tunable dielectric compositions including low loss glass
Tunable dielectric materials including an electronically tunable dielectric ceramic and a low loss glass additive are disclosed. The tunable dielectric may comprise a ferroelectric perskovite...
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6881692 |
Alkali-free glass and glass plate for a display
An alkali-free glass consists essentially of, in mass percent, 58-70% SiO 2 , 10-19% Al 2 O 3 , 6.5-15% B 2 O 3 , 0-2% MgO, 3-12% CaO, 0.1-5% BaO, 0-4% SrO, 0.1-6% BaO+SrO, 0-5% ZnO, 5-15%...
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6881690 |
Compositions for the decoration of ceramic materials
New decorating materials suitable for the decoration of ceramic materials comprise a lead-free glass flux and at least one pigment. The glass flux comprises two lead-free glass compositions. One of...
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6867158 |
Flat panel liquid-crystal display such as for a laptop computer
Flat panel liquid-crystal displays, such as for laptop computers. The displays include twisted nematic displays, supertwisted nematic displays, active matrix liquid-crystal displays, thin film...
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