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| Number | Title | Issue Date |
| 8183169 | Phosphate glass, fluorophosphate glass, preform for precision press-molding, optical element and process for the production of thereof A fluorophosphate glass having a fluorine content of 25% or more by anionic %, which is produced from a glass raw material containing 0.1 to 0.5%, by anionic %, of a halide containing a halogen element selected from chlorine, bromine or iodine, and a phosphate glass... | 05/22/2012 |
| 7989377 | Optical glass and optical element Provided is an optical glasses that has high refractivity and low dispersion and anomalous partial dispersion capability and that has excellent processability and devitrification resistance and ensures that the occurrence of striae can be inhibited, the optical glas... | 08/02/2011 |
| 7989376 | Fluorophosphate glass and method for making thereof New and improved compositions of doped fluorophosphate glasses for lasers have a high refractive index (nD) of approximately 1.6 to 1.7, high transmission in the near infrared part of the spectrum and a wide glass forming domain. These glass systems, Ba(PO3 | 08/02/2011 |
| 7838450 | Optical glass An optical glass having a refractive index (nd) within a range from 141 to 1.47 and an Abbe number (νd) within a range from 90 to 100 comprises in mass % on element basis: ... | 11/23/2010 |
| 7615506 | Durable tungsten-doped tin-fluorophosphate glasses Tungsten-doped tin-fluorophosphate glasses are described herein which exhibit excellent humidity resistance, thermal resistance, and have a low glass transition temperature which makes them suitable for low temperature sealing applications, such as for encapsulating... | 11/10/2009 |
| 7608551 | Bismuth containing fluorophosphate glass and method for making thereof New and improved compositions of doped and co-doped bismuth fluorophosphate glasses for lasers is disclosed that have a high refractive index (nD) of approximately 1.6 and higher, high transmission in the near infrared part of the spectrum, and a wide glass forming ... | 10/27/2009 |
| 7413601 | Kaolin products and their use The present invention relates to a particulate kaolin suitable for use as a filler material in compositions for making uncoated paper, the kaolin having a mean particle size ranging from 0.7 μm to 3 μm and a shape factor of at least 60. The invention also relates ... | 08/19/2008 |
| 7371703 | 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... | 05/13/2008 |
| 7226875 | Method for enhancing FSG film stability A method for enhancing stability of a fluorinated silicon glass layer is disclosed. A fluorinated silicon glass layer provided on a substrate is subjected to a phosphorous-containing and hydrogen-containing gas such as phosphine (PH3), for example. The ga... | 06/05/2007 |
| 7223808 | Temporary adhesive for metal-metal and metal-ceramic bonds The invention relates to a method for the production of an adhesive and an adhesive kit for joining similar or different metal surfaces or ceramics, especially in the field of biomedicine. The objective of the invention is to avoid polymerization-linked by-products ... | 05/29/2007 |
| 7214429 | Sealing material A sealing material for sealing an envelope of an electron tube. The sealing material comprises 0.01Ëœ2.0 wt % of fine particle selected from the group consisting of SiO2, Al2O3 and ZrO2 having a particle diameter of 0.001Ë... | 05/08/2007 |
| 7192897 | Near-infrared light-absorbing glass, near-infrared light-absorbing element, near-infrared light-absorbing filter, and method of manufacturing near-infrared light-absorbing formed glass article, and copper-containing glass Provided are near-infrared light-absorbing glass in which good color compensating characteristics are maintained even without containing harmful arsenic, permitting the thinning of the glass, and having good weatherability and forming properties; a near-infrared lig... | 03/20/2007 |
| 7192602 | Water-insoluble, antimicrobial silicate glass and use thereof The invention relates to an antimicrobial silicate glass with the following weight composition in wt. % based on oxides: SiO2 20 to 70, Na2O 5 to 30, K2O 0 to 5, P2O5 1 to 15, B2O3 0 to 10,... | 03/20/2007 |
| 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. % SiO2,0–40 wt. % Na 2O, 0–40 wt. % K2O, 0–40 wt. % Li2O, 0–35 wt. % CaO, 0–10 wt. % M... | 01/23/2007 |
| 7151064 | Optical glass suitable for mold forming An optical glass suitable for mold forming having a metal composition in wt % in terms of metal oxides calculated from the composition of the following components: P2O5 34–50%, Li2O 2–9%, Na2O 7–28%, K2O 3... | 12/19/2006 |
| 7141524 | Lead-free and preferably arsenic-free dense optical crown glass The lead-free, Li2O-free, CuO-free and preferably arsenic-free optical glass is suitable for applications in the fields of imaging, projection, telecommunications, optical communication technology and/or laser technology, and has a refractive index n... | 11/28/2006 |
| 7136237 | Optical system Provided is an optical system, in which various aberrations including chromatic aberrations are preferably corrected and which is easily manufactured and has a superior environmental resistance, comprising a solid material (GIT1) having two surfaces both on a... | 11/14/2006 |
| 7026696 | Thin film-structure and a method for producing the same A thin film made of an amorphous material having a supercooled liquid phase region is formed on a substrate. Then, the thin film is heated to a temperature within the supercooled liquid phase region and is deformed by its weight, mechanical external force, electrost... | 04/11/2006 |
| 7010940 | Process for producing glass and glass-melting apparatus thereof A process for producing a high-quality glass from highly reactive raw materials and a glass-melting apparatus for use therewith, comprising the step of charging a material for the glass to a molten glass in a heated vessel, (1) wherein an oxidizing gas is bubbled in... | 03/14/2006 |
| 6984261 | Use of ceramics in dental and orthodontic applications The invention relates to uses of glasses and glass-ceramics in dental and orthodontic applications. ... | 01/10/2006 |
| 6878765 | Method for producing a component and the use of said component A method for producing a component from a glass/polymer mixture where, a component is formed from a mixture of a thermoplastic with a processing temperature T1 and first glass particles with saturated surface bonds and a glass temperature T2 | 04/12/2005 |
| 6797657 | Tm-doped fluorophosphate glasses for 14xx amplifiers and lasers A host material for Tm3+-doping is provided. The host material is a fluorophosphate glass having a non-zero concentration of Tm3+, cation elements that include at least an alkaline earth, phosphorus, and aluminum, and anion elements that includ... | 09/28/2004 |
| 6777358 | Sealing glass composition A glass composition for a seal consists essentially of 70-75 wt % of PbO, 3-7 wt % of PbF2, 5-8 wt % of Bi2O3, 5-7 wt % of B203, 2-5 wt % of ZnO, 1-3 wt % of Fe2O3, 0-2 wt % of CuO, 0-2% of... | 08/17/2004 |
| 6767854 | Glassy-crystalline material with low solubility and process of preparing the same The invention refers to a material which is chemically long-term stable in a neutral or slightly acid environment and which can be used both as bioactive bone replacement material, e.g. in the form of a coating applied onto metallic prosthesis sticks by thermal spra... | 07/27/2004 |
| 6656859 | Tellurite glasses and optical components A family of tellurite glasses and optical components for telecommunication systems, the glasses consisting essentially of, as calculated in cation percent, 65-97% TeO2, and at least one additional oxide of an element having a valence greater th... | 12/02/2003 |
| 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 |
| 6560009 | Erbium doped fibers for extended L-band amplification The specification describes rare earth doped fiber amplifier devices for operation in the extended L-band, i.e. at wavelengths from 1565 nm to above 1610 nm. High efficiency and flat gain spectra are obtained using a high silica based fiber codoped with E... | 05/06/2003 |
| 6499317 | Synthetic quartz glass and method for production thereof A synthetic quartz glass for optical use, to be used by irradiation with light within a range of from the ultraviolet region to the vacuum ultraviolet region, which contains fluorine, which has a ratio of the scattering peak intensity of 2250 cm-1 | 12/31/2002 |
| 6495481 | Glasses for laser and fiber amplifier applications and method for making thereof New and improved compositions of doped and co-doped germanium fluorophosphate glasses for laser hosts and fiber amplifiers have a high refractive index (nD) 1.67-1.70, high transmission in the near infrared part of the spectra (to 6 micron) and a wide gla... | 12/17/2002 |
| 6429162 | Glass for high and flat gain 1.55 μm optical amplifiers The invention relates to a family of erbium-doped fluorophosphate glasses for use in optical signal amplification and which are doped, for 100 parts by weight constituted by: P2 O5 15-40 MgF2 ... | 08/06/2002 |
| 6352950 | Tellurite glasses and optical components A family of alkali-tungsten-tellurite glasses that consist essentially of, as calculated in mole percent, 10-90% TeO2, at least 5% W03 and at least 0.5% R2 O where R is Li, Na, K, Cs, Tl and mixtures, that may contain a la... | 03/05/2002 |
| 6344425 | Fluorotellurite, amplifier glasses A family of fluorotellurite glasses, the composition of which consist essentially of, as calculated in mole percent, 30-75% TeO2, 15-60% ZnF2 and 0.005-10% of an oxide of erbium, thulium or holmium, and amplifying optical components ... | 02/05/2002 |
| 6306783 | Tin borophosphate glass comprising SnO, B2O3, and P2O5 as main components and sealing material using the glass A tin borophosphate glass for use in sealing materials includes, by mole, 30 to 80% of SnO, 5 to 60% of B2 O3, and 5 to 24% of P2 O5 as main components. The glass is free of lead but is of equal quality to those... | 10/23/2001 |
| 6284685 | Light-induced refractive index changes in low temperature glasses Devices are made comprising a tin-phosphorous oxyfluoride glass, which has been exposed to light, preferably shorter in wavelength than the absorption edge of the glass, to change the refractive index change of the glass. The glasses can be used to form p... | 09/04/2001 |
| 6281151 | Transparent lanthanum fluoride glass-ceramics The present invention relates to a transparent glass-ceramic material which includes a glass matrix and a crystalline phase of lanthanum fluoride crystals in the glass matrix, where the transparent glass-ceramic material contains no silica. The present in... | 08/28/2001 |
| 6277776 | Fluorophosphate splice glass for joining optical fibers A low temperature fluorophosphate glass useful for joining single-mode fluoride and silica optical fibers includes 5 to 7 mol % InF3, 20 to 35 mol % PbF2 and 57.5 to 75 mol % P2 O5. An alkali for maintaining a l... | 08/21/2001 |
| 6277775 | GeAs sulphide glasses containing P A GeAs sulphide glass family of transparent glasses having transmission far into the infrared portion of the spectrum, containing a source of phosphorus ion as a co-dopant to effect dispersion of a rare earth metal ion dopant in the glass, an optical comp... | 08/21/2001 |
| 6223563 | Process for fabricating fluorine-doped sol-gel article The invention reflects discovery of a liquid phase doping technique that, unlike previous techniques, exhibits very little fluorine depletion upon subsequent heating. The invention involves the steps of providing a silica sol comprising a tetraalkylammoni... | 05/01/2001 |
| 5977003 | Particulate materials A ceramic particulate material which comprises particles having an irregular three dimensional surface profile having jagged projections and a median particle diameter of 200 micrometers or less, the particles being fractals produced by comminution of foa... | 11/02/1999 |
| 5755998 | Fluorophosphate fluorescent glass capable of exhibiting fluorescence in the visible region According to the present invention, there is provided a fluorophosphate fluorescent glass, capable of converting invisible ultraviolet rays into visually observable visible rays with a high efficiency and available for controlling the optical axis of a la... | 05/26/1998 |
