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7631518 |
Glass powders, methods for producing glass powders and devices fabricated from same
Methods for producing glass powders are provided. The methods include generating an aerosol stream comprising droplets that include a liquid and a glass precursor. Glass particles are formed in the...
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7507618 |
Method for making electronic devices using metal oxide nanoparticles
A method of making a thin film transistor comprises (a) solution depositing a dispersion comprising semiconducting metal oxide nanoparticles onto a substrate, (b) sintering the nanoparticles to...
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7497095 |
Method for producing quartz glass jig and quartz glass jig
The invention provides a method for producing a quartz glass jig for use in semiconductor industries, which enables increasing the surface layer cleanliness simply and surely at low cost; it also...
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7476474 |
Method for making a photomask assembly incorporating a porous frame
A photomask assembly is described having a frame for supporting a transparent pellicle above a photomask substrate, defining a closed pellicle space overlaying the substrate. The frame is formed of...
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7467528 |
Method of fabricating dual hole glass ferrules
The present invention relates to a preform for a glass ferrule and a fabrication method thereof. It is an objective of the present invention to fabricate dual hole ferrules having various distances...
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7451619 |
Organic-inorganic hybrid glassy materials and their production processes
In the production of an organic-inorganic hybrid glassy material using raw materials which are used in a sol-gel process as starting materials, the present invention relates to a process for...
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7439272 |
Ultraporous sol gel monoliths
Ultraporous sol gel monoliths and methods for preparing the same are provided, having superior flow characteristics for chromatography and analytical chemistry applications. The methods for forming...
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7427387 |
High-purity quartz powder, process for producing the same, and glass molding
Subjects for the invention are to obtain a quartz powder having a high purity and high quality and a process for producing the same and to obtain a glass molding formed by melting and molding the...
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7312170 |
Optical synthetic quartz glass and method for producing the same
The present invention provides an optical synthetic quartz glass material which substantially does not cause changes in transmitted wave surface (TWS) by solarization, compaction (TWS delayed),...
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7305851 |
Method for fabricating silica glass containing Bi and Ti using a sol-gel process
A method for fabricating silica glass is disclosed. The method includes the steps of (a) hydrolyzing silicon alkoxide; (b) hydrolyzing heterometal alkoxide containing Bi and Ti components; (c)...
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7226522 |
Method for the production of a mineral fibre product
The present invention is directed to method of bonding mineral fibers in a mineral fiber material, according to which an acid is applied to the mineral fiber material in an amount sufficient to...
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7216509 |
Sol-gel process for the production of high dimensions dry gels and derived glasses
It is described a sol-gel process that allows to obtain dry gels, and possibly the corresponding dense glassy bodies, having higher dimensions compared to similar known processes.
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7201022 |
Systems and methods for filling voids and improving properties of porous thin films
Methods of reducing the intrusions or migrations of photolithography materials by introducing a sol-gel layer onto a porous thin film prior to applying the photolithography/photoresist material...
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7181862 |
Sol-gel process for the production of glassy articles
Glassy articles are prepared by subjecting to hydrolysis and policondensation a solution or suspension of a suitable precursor, mainly comprising a silicon alkoxide, and by drying the obtained gel...
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7168266 |
Process for making crystalline structures having interconnected pores and high refractive index contrasts
Techniques for producing a glass structure having interconnected macroscopic pores, employing steps of filling polymerizable glass precursors into pores in a polymeric structure having...
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7159421 |
Manufacture of planar waveguides using sol-gel techniques
Silica sol techniques are described for making thick silica or silica based films useful for planar optical waveguides. The process involves coating of a colloidal silica sol onto a substrate,...
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7140201 |
Method for producing silica particles
A hydrous silica gel is dehydrated by freezing, thawing, and removing water separated by thawing, thereby yielding silica particles. In addition, the silica particles thus formed is washed and...
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7140202 |
Method for manufacturing optical glasses and colored glasses at low temperatures
The invention relates to a method for manufacturing optical glasses and colored glasses with the aid of a fluid phase sintering process from a basic material encompassing at least SiO 2 powder as...
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7125912 |
Doped sol-gel materials and method of manufacture utilizing reduced mixing temperatures
A method of preparing a solution for forming a doped gel monolith includes providing a first substance including a metal alkoxide. The method further includes providing a second substance including...
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7111476 |
Electrophoretic deposition process for making quartz glass products
Cup-shaped porous silica preforms suitable for manufacture of large 24-inch crucibles used in Czochralski crystal-growing furnaces are produced by a unique electrophoretic casting process using a...
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7100400 |
Manufacture of silica bodies using sol-gel techniques
The use of large dense vitreous spherical (LDVS) silica powders for making sol-gel silica bodies has been found to have important advantages. Among these are higher gel strength, higher silica...
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7058243 |
Optical fiber sensor having a sol-gel fiber core and a method of making
A simple, economic wet chemical procedure is described for making sol-gel fibers. The sol-gel fibers made from this process are transparent to ultraviolet, visible and near infrared light. Light...
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7043940 |
Method for making thin fused glass articles
A method suited for producing thin fused glass articles includes, in preferred aspects, preparing a dry gel having edges configured to reduce or eliminate warping of the gel during densification of...
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7024890 |
Sol-gel process for the production of optical fiber preforms
Sol-gel process for the production of optical fiber preforms or overcladdings by preparing a sol, gelling the sol, drying the wet gel to a dry porous gel and densifying the dry gel to fully dense...
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7026362 |
Sol-gel process utilizing reduced mixing temperatures
A method of forming a gel monolith includes preparing a first solution comprising metal alkoxide and preparing a second solution comprising a catalyst. A third solution is prepared by mixing the...
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7003981 |
Low phonon energy gain medium and related active devices
Using sol-gel techniques, an optical gain medium has been fabricated comprising a glass ceramic host material that includes clusters of crystalline oxide material, especially tin oxide, and that is...
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7001568 |
Method of removing liquid from pores of a sol-gel monolith
A method processes a gel monolith comprising pores filled with liquid, an inner region, and an outer region. The method includes removing a portion of the liquid from the pores of the gel monolith...
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6998102 |
Rapid process for producing transparent, monolithic porous glass
A process for making transparent porous glass monoliths from gels. The glass is produced much faster and in much larger sizes than present technology for making porous glass. The process reduces...
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6994808 |
Planar lens and method for fabricating the same
A planar lens capable of compensating for chromatic aberration and which is easy to manufacture and enables easy assembling of optical pickups and a method for fabricating the planar lens are...
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6890873 |
Glass prepared from pyrogenically prepared silicon dioxide
Pyrogenically prepared silicon dioxide with the following physicochemical properties:
1. Average particle size (D 50 value) D 50 ≧150 nm (dynamic light scattering, 30 wt %) 2. Viscosity...
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6883349 |
Method for preparing raw materials for glass-making
The subject of the invention is a process for manufacturing compounds based on one or more silicates of alkali metals, such as Na and K and/or alkaline earth metals such as Ca, Mg, and/or on rare...
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6860118 |
Method for fabricating silica glass using sol-gel process
The present invention discloses a method for fabricating silica glass using a sol-gel process, which includes a sol forming step for forming a sol by mixing a starting material, deionized water and...
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6831791 |
Optical system for optical communications and method of manufacturing the same
An optical system for optical communications is composed of a transparent material having a refractive index distribution formed by changing the molar ratio of metal oxide with valence of 2 or...
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6829908 |
Fabrication of inclusion free homogeneous glasses
The present invention relates to a method for forming an optical blank. The method includes providing a green body that has a non-porous exterior portion and a porous interior portion. The interior...
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6826927 |
Synthetic quartz powder, its production process, and synthetic quartz crucible
The amount of residual carbon and hydroxyl groups in a synthetic quartz powder made by a wet process is reduced by baking the synthetic quartz powder in a low pressure atmosphere. Quartz glass...
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6802188 |
Method of making photosensitive monolithic glass apparatus
A partially modified photosensitive monolithic oxide glass apparatus formed through photolithographic imaging. The apparatus may be either a volume apparatus or a layer apparatus. Both types of...
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6772514 |
Method of machining glass substrate and method fabricating high-frequency circuit
A method of machining a glass substrate by using a laser, in which a low-permittivity, low-dielectric-loss glass substrate capable of coping with mass production processes is made applicable as the...
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6732545 |
Silica structure crack monitoring
Disclosed are silica structure crack detection methods and apparatuses particularly useful in sol-gel fabrication processes. A wave signature of a crack in the silica structure is sensed to...
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6698054 |
Method for fabricating high-purity silica glass using sol-gel processing
Disclosed is a method for fabricating high-purity silica glass using a sol-gel processing that includes the steps of: (a) mixing a deionized water with a fluorine compound and a dispersion agent to...
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6672106 |
Method and apparatus for forming soot for the manufacture of glass
The present invention is directed to a method and apparatus for forming soot used in making glass, and in particular, optical waveguides. A liquid precursor ( 66 ) is first fed into orifice ( 52 )...
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6669892 |
Method for preventing warpage of gel plates during sintering
A new method is disclosed for producing thin plates by sintering a thin gel plate (e.g., silica) made using a sol-gel process, which substantially eliminates warpage of the plate during the...
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6620368 |
Sol-gel process for production of oxide-based glass and ceramic articles
A process which uses sol-gel to process oxide-based monoliths which are virtually free of cracks, without nullifying the desired attributes of the oxide-based monoliths. The method comprises...
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6591634 |
Method for production of metal oxide glass film at a low temperature
The invention provides a method for efficiently producing, in a low temperature region, a thin film or micro-spherules of a single component type or a multi-component type metal oxide glass,...
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6588229 |
Method for controlling heat treatment in process of fabricating high purity silica glass
Disclosed is a method for controlling a heat treatment in the process of fabricating a high purity silica glass via a sol-gel process using a low temperature heater having an inhalation line and an...
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6571582 |
Manufacture of silica bodies using sol-gel techniques
The use of silica powders having large particle sizes in making sol-gel silica bodies has been found to have important advantages. Among these are higher gel strength, higher silica loading, more...
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6562744 |
Process for producing inorganic porous material in a capillary
Inorganic porous materials contained in a confined space with at least one dimension of less than 1 mm, which are in liquid tight contact with the walls of said confined space. Preferred as the...
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6519976 |
Method for production of silica glass using sol-gel process
A composition for production of silica glass using a sol-gel process is described, comprising silica particles, a dispersing agent, and a solution containing a polymerizable monomer for formation...
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6516633 |
Photochromic glass nanoparticles and methods of preparation
The present invention is directed to microemulsion techniques for rapidly preparing photochromic glass nanoparticles and to the photochromic glass nanoparticles so prepared. More particularly, the...
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6514454 |
Sol-gel process using porous mold
A sol-gel process for producing dry porous gel monoliths, e.g., silica glass monoliths, in which the successive process steps of gelling, aging and drying all occur within a mold formed of a...
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6511615 |
Hybrid organic-inorganic planar optical waveguide device
A planar optical device is formed on a substrate. The device comprises an array of waveguide cores which guide optical radiation. A cladding layer is formed contiguously with the array of waveguide...
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