|
Match
|
Document |
Document Title |
|
|
8166778 |
Tempered glass for thermal insulation
The invention relates to a pane that has undergone a chemical toughening operation so as to have an alkali-metal-ion concentration gradient from its surface over an exchange depth of at least 100...
|
|
|
7934391 |
Synthetic quartz glass body, process for producing the same, optical element, and optical apparatus
The present invention is to provide a synthetic quartz glass body having a high light transmittance. The present invention provides a synthetic quartz glass body having pores in a surface part...
|
|
|
7858546 |
Mother glass composition for gradient-index lens, gradient-index lens, manufacturing method thereof, optical product, and optical device
The present invention provides a mother glass composition for gradient-index lens, from which a lead-free Li-based gradient-index lens that is excellent in weather resistance, in particular weather...
|
|
|
7841210 |
Method of manufacturing glass substrate and information recording medium
In a method of manufacturing a glass substrate for an information recording medium including a step for chemically strengthening the glass substrate by contacting the glass substrate with chemical...
|
|
|
7767607 |
Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same
A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass...
|
|
|
7694530 |
Chemical strengthening treatment method of magnetic disk glass substrate
Chemical strengthening treatment is performed by first providing a granular chemical strengthening salt so as to prevent spread in atmosphere at the time of introduction of chemical strengthening...
|
|
|
7624594 |
Magnetic recording medium substrate and manufacturing method therefor, magnetic recording medium, and magnetic recording and reproducing device
The present invention is a magnetic recording medium substrate made of amorphous glass of B2O3—Al2O3—SiO2—Li2O type, wherein a chamfer is formed between an edge face at an outer circumference side ...
|
|
|
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≦SiO2≦65, 1≦TiO2≦10, 0≦MgO≦22, 2≦Li2O≦18, 2≦Na2O ≦20, 6≦Li2O+Na2O≦38, and...
|
|
|
7573645 |
Method for manufacturing optical element of refractive index distribution type
The present invention provides a method of producing a graded refractive index optical element, the method being capable of easily forming a graded refractive index distribution in a desired...
|
|
|
7522803 |
Process for producing optical device
The present invention provides a method of producing an optical element without the need for high vacuum, unlike the thin film deposition methods, and without using a molten salt. More...
|
|
|
7485593 |
Titania-silica glass
To provide titania-silica glass which is transparent glass of low thermal expansion, in particular, is of a low thermal expansion coefficient over a wide range of temperatures of 0 to 100° C. (an ...
|
|
|
7482296 |
Aluminoborosilicate glass and method for the production of crystallite-free gradient index lenses
The invention is directed to an aluminoborosilicate glass containing alkali metals for the production of optical components with refractive index gradients which are generated by ion exchange of...
|
|
|
7281394 |
Method of manufacturing glass substrate and method of manufacturing information recording medium
In a method of manufacturing a glass substrate for an information recording medium including a step for chemically strengthening the glass substrate by contacting the glass substrate with chemical...
|
|
|
7168268 |
Method for the production of colored structures of a glass
A method for the manufacture of colored structures of a glass, particularly for applying an inscription to the glass, by locally heating volume elements of the glass by means of a laser beam. The...
|
|
|
7104090 |
Method of making polarizing glasses
Polarizing glass articles and methods of manufacturing polarizing glass articles are disclosed. The method involves forming a polarizing layer on the surface of the glass article by ion-exchanging...
|
|
|
7095935 |
Method for forming optical waveguide
The present invention provides a method for forming an optical waveguide characterized by applying a paste containing a copper compound to a glass substrate containing an alkali metal as a glass...
|
|
|
6898365 |
Articles useful as optical waveguides and method for manufacturing same
A method for manufacturing an article capable of constraining a propagating wave is disclosed. The method includes contacting a crystalline substrate with a source of deuterium ions to create a...
|
|
|
6856746 |
Titanium-indiffusion waveguides and methods of fabrication
A method for fabricating titanium-indiffusion waveguides in optical modulators and other optical waveguide devices includes disposing titanium, strips in a waveguide pattern on the surface of a...
|
|
|
6845634 |
Method for fabricating thallium-doped GRIN lens
A fabrication method for a thallium-doped GRIN lens composed of a simplified glass composition is described. The composition is composed of silicon, oxygen, boron, zinc, potassium, sodium, and...
|
|
|
6844669 |
Glass funnel for a cathode ray tube and process for its production
A glass funnel for a cathode ray tube, which has a substantially rectangular opened end at one end and a neck portion at the other end and which constitutes, together with a glass panel having a...
|
|
|
6810688 |
Method for treating glass substrates and glass substrates for the producing of display screens
The subject of the invention is a process for treating a glass sheet which consists of a glass composition having a strain point above 540° C. and is intended for producing a display screen, the ...
|
|
|
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...
|
|
|
6619073 |
Method of increasing the initial transmittance of optical glass
The invention relates to optical glass having improved initial transmittance, formed by subjecting the glass to a hydrogen and/or deuterium treatment at a temperature, and for a duration of time...
|
|
|
6598429 |
Method for fabricating gradient-index rods and rod arrays
A method for fabricating gradient-index rods and rod arrays. A central rod of optical glass having predetermined properties and predetermined outside dimensions is placed inside a tube of optical...
|
|
|
6595028 |
Chemical reinforced glass substrate having desirable edge profile and method of manufacturing the same
In a method of manufacturing a chemical reinforced glass substrate, consideration is previously made about a relationship between conditions of chemical reinforcement for a glass substrate and...
|
|
|
6595029 |
Process for devices for the production of internally-hardened glass tubes as well as their use
The invention relates to a process for the production of internally-hardened glass tubes, in which in a tube-drawing process for the production of glass tubes that is known in the art, a coated...
|
|
|
6523367 |
Method of manufacturing glass substrate for use in information recording medium, and method of manufacturing information recording medium
In a method of manufacturing a glass substrate for an information recording medium including a step for chemically strengthening the glass substrate by contacting the glass substrate with chemical...
|
|
|
6516634 |
Strengthening, crack arrest and multiple cracking in brittle materials using residual stresses
Embodiments include a method for forming a glass which displays visible cracking prior to failure when subjected to predetermined stress level that is greater than a predetermined minimum stress...
|
|
|
6511932 |
Graded index lens
A graded index lens is obtained by treating a raw glass material having a rod shape by ion exchange using silver to form a refractive index distribution in the radial direction of the rod, wherein...
|
|
|
6470712 |
Method of changing the surface of a glass substrate containing silver, by using a laser beam
A laser processing method for removing glass by melting, evaporation or ablation from sheet-like glass substrate for forming microscopic concavities and convexities. Diffraction grating and planar...
|
|
|
6442974 |
Method and device for making visually observable markings onto transparent material
The object of the invention is a method and a device for making visually distinguishable markings on the lower surface of a transparent material (5), using a vehicle (1). The marking is provided by...
|
|
|
6436859 |
Glass composition and ion exchange strengthened glass article produced from same
The invention relates to a lithium-sodium-aluminosilicate glass composition. This glass composition has a softening point of 700° C. or lower; a first temperature (1450° C. or lower) at which the g...
|
|
|
6374640 |
Method for compaction of flat glass panes
A simple and economical method is described for compacting or shrinking flat glass panes. The method ensures high temperature homogeneity in the glass. First, the glass panes are cleaned and then a...
|
|
|
6298691 |
Method of making glass having polarizing and non-polarizing regions
Method is disclosed for making glass having both polarizing and non-polarizing regions integral thereto by either ion-exchange or by exposure to light and heat. The polarizing regions of the...
|
|
|
6263704 |
Quartz glass, heat treating apparatus using quartz glass, and heat treating method
A quartz glass which would not become a source for the contamination even if it contains metallic impurities. This quartz glass includes a region where a concentration of E' center as measured by...
|
|
|
6262389 |
Laser-processable glass substrate and laser processing method
A sheet of silicate glass having a thickness of 2 mm and composed mainly of SiO2, and containing Al2 O3, B2 O3, Na2 O, F, etc., is immersed in a molten salt comprising a mixture of 50 mol % of...
|
|
|
6172817 |
Graded index lens for fiber optic applications and technique of fabrication
A non-phase separable glass material for fabricating a GRIN lens comprises 5-20 mole % boron oxide and ratio R of network modifiers in mole % to the network former boron oxide in mole % is in the...
|
|
|
6151916 |
Methods of making glass ferrule optical fiber connectors
The specification describes processes for the manufacture of glass ferrules for optical fiber connectors wherein the glass ferrules have a composition comprising silicon oxide, alkali metal oxide,...
|
|
|
6114039 |
Process for treating glass substrates
The invention relates to a process for treating glass substrates, in particular those used as memories for "peripherals" in the field of data processing.According to the invention, the process...
|
|
|
6066273 |
Axial refractive index distributed lens
An excellent axial refractive index distributed lens is disclosed, which has a refractive index distribution required for an optical design, high durability, and high quality (a low melting...
|
|
|
6067388 |
Method of making an integrated optical component and an integrated optical star coupler made in accordance with said method
The invention is directed to a method for making integrated optical components having strip waveguides (11 to 15; 21 to 2M) and a layer waveguide 53. A mask 4 having a lattice structure 3i...
|
|
|
6032487 |
Fabrication process of a gradient index type of optical element
The invention provides a process of obtaining a gradient index type of optical element with profiles of first and second metal component concentrations by the sol-gel method. The process of...
|
|
|
5958810 |
Optical glass with varying refraction index
Optical glasses or lenses are described having a refractive index that varies as a function of at least one coordinate, which is made from a starting material with a constant refractive index by...
|
|
|
5916656 |
Sheet glass flattening method, method of manufacturing an information recording glass substrate using flattened glass, method of manufacturing a magnetic disk using glass substrate, and magnetic recording medium
A glass substrate manufacturing method advantageously applicable to magnetic recording disk glass substrates, LCD glass substrates, photomasks glass substrates, or optical memory glass substrates....
|
|
|
5876472 |
Method for producing a chemically pretensioned glass body
The invention is directed to a method of producing a chemically pretensioned glass body. In the method, a glass body is provided having a composition in percent by weight on oxide basis: SiO2...
|
|
|
5865867 |
Process for producing gradient index optical element
A porous body containing a silicon component as a starting material of optical element is immersed in a solution containing hydrofluoric acid, taken out from the solution and immersed in a solution...
|
|
|
5858892 |
Glass material producing method and gel dipping apparatus
A method which enables an optical element having a large refractive index difference and a stabilized refractive index distribution to be produced in a short time. When a gel prepared by a sol-gel...
|
|
|
5846280 |
Process for production of chemically prestressed glass
The process for producing a chemically prestressed glass of very high surface quality includes subjecting an Li2 O-free starting glass from the SiO2 -Al2 O3 -M2 O-MO system which also contains...
|
|
|
5837023 |
Process for making gradient index optical elements
The invention provides a process for making a gradient index optical element having a precisely parabolic configuration of refractive index profile. After a concentration profile is imparted across...
|
|
|
5780371 |
Reinforced glass substrate
The invention relates to glass substrates intended for use as a support in data storage units, reinforced by surface ion exchanges and whose matrix comprises the constituents given hereinafter in...
|