|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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 SiO 2 , and containing Al 2 O 3 , B 2 O 3 , Na 2 O, F, etc., is immersed in a molten salt comprising a mixture of 50...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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: SiO 2 ...
|
|
|
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 Li 2 O-free starting glass from the SiO 2 -Al 2 O 3 -M 2 O-MO system which also...
|
|
|
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...
|
|
|
5773148 |
Chemically toughened pane
This invention has as its subject a panel, preferably produced by the float process, reinforced by surface ion exchange for a long period at a temperature such that the exchanged depth is greater...
|
|
|
5746797 |
Process for producing a gradient index optical element
A gradient index optical element is disclosed which comprises a surface perpendicular to an optical axis, this surface having points of equal refractive index whose connection provides...
|
|
|
5733622 |
Edge strengthened substrate of a data storage disk and method for fabricating same
An edge strengthened substrate of a data storage disk and a method for fabricating same is disclosed. A strengthening agent is preferably applied to selected portions of a disk-shaped glass...
|
|
|
5705273 |
Method for strengthening dental restorative materials
A method for strengthening and increasing the thickness of the strengthened surface layer of a dental ceramic restorative material where the ceramic material is heat treated with a salt composition...
|
|
|
5651804 |
Copper activated thermoluminescence dosimeter and method
A novel copper activated thermoluminescence dosimeter comprising a glass composition having: about 94-97 weight percent SiO 2 ; about 0.4 to 2 weight percent Al 2 O 3 ; about 0.02 to 1 weight...
|
|
|
5648172 |
Dealkalinization of sheets of glass with low alkalines content
This invention relates to a glass sheet having a low content of alkaline oxides and alkaline-earth oxides, in the composition of which the sum of the alkaline and alkaline-earth oxides is less than...
|
|
|
5639702 |
Yellow colored glasses and methods of making same
Glass colored in yellow, having transmission in the visible light range of the spectrum, which is produced by blending or adding an iodine compound to a matrix of glass having transmission in the...
|
|
|
5628106 |
Method of manufacturing magnetic head
In a first glass bonding process, a silicon-dioxide layer is formed on either a first or second magnetic material by vacuum evaporation. The first or second magnetic material with the...
|
|
|
5616159 |
Method of forming high purity fused silica having high resistance to optical damage
High purity fused silica glass which is highly resistant to optical damage by ultraviolet radiation in the laser wavelength of about 300 nm or shorter is produced. In particular, a fused silica...
|
|
|
5610107 |
Blue high silica glass
High silica glasses exhibiting blue color by transmitted light are produced by impregnating a porous, high silica glass with a solution of cobalt, aluminum, and selected alkaline earth or alkali...
|
|
|
5578103 |
Alkali metal ion migration control
A materials system comprising a glass containing alkali metal ions capable of migrating and a silica, alumina, or tantala film deposited on the glass surface, the glass also containing high field...
|
|
|
5534041 |
Method of making laser eyewear protection
Glass articles transparent to visible radiation, but opaque to ultraviolet radiation, rendering them particularly suitable for protecting the wearer of such lenses from exposure to laser radiation...
|