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6979476 |
Filter member manufacturing method, filter member cutting method, filter chip cutting method, and filter chip manufacturing method
A plurality of filter members on which filter films with good characteristics are formed in a more or less circular arc form pattern are obtained by producing a filter member in which all of an...
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6975802 |
Damascene optical waveguides
A method for fabricating electromagnetic waveguides. The primary expected application is for the formation of dielectric type waveguides suitable for the confinement and guidance of intra-red and...
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6965478 |
Microlens arrays
Systems and methods for providing a light controlling structure, generally referred to as a microlens or microlens array. For example, in accordance with an embodiment of the present invention, a...
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6961185 |
Microlens array
A microlens array having a resin layer forming convex lenses, wherein the resin layer comprises a cured product of a polycarbodiimide resin represented by formula:
wherein R represents a...
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6950239 |
Method for making micro-lens array
A method for manufacturing a light controlling structure, generally referred to as a microlens or microlens array. The method including providing a bundle of optically transparent members; cutting...
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6943231 |
Transparent polyamide molding materials having improved transparency, resistance to chemicals and high permanent fatigue strength
Transparent polyamide molding materials are provided which are characterized in that they have a melting enthalpy between 0 and 12 J/g and the polyamides are constituted of 100 mole-% of a diamine...
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6933325 |
High index curable photochromic composition and its process
A high refractive index, curable, synthetic resin composition comprising a core resin composition composed of a mixture of ethylenically unsaturated compounds, and an initiation system containing...
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6929764 |
Polymers having ordered, monodisperse pores and their corresponding ordered, monodisperse colloids
Ordered, monodisperse macroporous polymers, their corresponding ordered, monodisperse colloids, and methods of preparing them are disclosed. The methods use an ordered, monodisperse colloidal...
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6918931 |
Prepolymers with yellow dye moiety
Yellow dye moiety-containing prepolymers with blue light absorbing priorities and methods for producing the same for use in the production of relatively high refractive index polymeric compositions...
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6908575 |
Mold releasing method and apparatus for diffraction optical element
The object of this invention is to provide a mold releasing method for a diffraction optical element, which enables stable mass production of a diffraction optical element free from deformation or...
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6896417 |
Hollow cast article with slit, method and apparatus for production thereof
In the production of a hollow cast article having a slit, the release of a hollow cast product from a mold is carried out while opening the hollow cast product. In one embodiment, a core provided...
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6890081 |
Optical element and optical system having the same
An optical element formed from a transparent optical material includes two refraction surfaces, a first reflection surface group having a plurality of internal reflection surfaces arrayed in a...
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6887401 |
Method for making transparent polythiourethane substrates in particular optical substrates
A method of fast curing polythiourethane transparent casted substrate, usable for making optical articles such as ophthalmic lenses, which comprises the steps of:
1) Providing a first...
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6884369 |
Mold and a method of hot-forming a thermoplastic lens
The mold comprises two dies mounted in a sheath to slide along the axis of the sheath and each presenting a forming face facing the other. The two dies and the sheath are provided with intrinsic...
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6878314 |
Method for automatic manufacture of and printing on astigmatic contact lenses and apparatus therefor
A method of automatic manufacture of an astigmatic contact lens having a toric portion and a ballast portion such that said ballast portion causes the toric portion of the contact lens to properly...
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6875378 |
Optical disk molding apparatus and method
An optical disk molding apparatus and method are provided which prevent data formed on a molded object from being damaged and prevent quality deterioration of the molded object. There are provided...
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6870976 |
Filter based multiplexer/demultiplexer component
A multiplexer/demultiplexer optical system component that is passively aligned upon assembly is disclosed. The optical system includes a lens block and a mirror-filter block. In some embodiments,...
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6863851 |
Process for making angstrom scale and high aspect functional platelets
A process for making functional or decorative flakes or platelets economically and at high production rates comprises applying a multi-layer sandwich of vapor deposited metal and release coats in...
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6849114 |
Dispersion comprising silicon/titanium mixed oxide powder, and green bodies and shaped glass articles produced therefrom
Aqueous dispersion comprising silicon/titanium mixed oxide powder with a BET surface area of 5 to 500 m 2 /g which has been prepared by flame hydrolysis and has a titanium dioxide content of 0.5 to...
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6844978 |
Wafer level creation of multiple optical elements
Integrated multiple optical elements may be formed by bonding substrates containing such optical elements together or by providing optical elements on either side of the wafer substrate. The wafer...
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6823695 |
Press-forming system for glass
An object of the present invention is to enable to use a common transfer machine for transferring performs to and for transferring products from a press-forming system for glass having a plurality...
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6821108 |
Plastic castings molds
The invention is concerned with the problem that with known plastic casting moulds, especially those of polypropylene, the lenses produced with these moulds have a slippery surface. The invention...
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6793868 |
Plastic molding and method and apparatus for producing the same by injection molding
A method of producing a molding by injection molding, wherein only a part of the molding expected to sink is surely caused to sink while, e.g., a mirror surface is surely transferred to a desired...
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6790387 |
Process of producing diffraction gratings on the surface of articles
A process of producing an article having a surface provided with an optical diffraction grating such that the surface generates visible color when illuminated with diffuse white light. The process...
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6787070 |
Apparatus and method of filling a mold for manufacturing an ophthalmic lens
An apparatus and method for filling a mold for casting optical lens. Two molding shells and a closure member form a mold with a molding cavity. To fill the mold a fluid lens-forming material is...
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6776931 |
Method for producing light transmitting plate
The present invention provides a method for producing a light transmitting plate, comprising the steps of: using a molding equipment composed of an injection equipment and a mold for producing a...
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6770224 |
Optical component package
A process for forming a polyphenylene sulfide (PPS) component is disclosed. The PPS is molded at a temperature of about 110° C. to about 150° C. After molding, the PPS has a morphology that is at...
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6765083 |
Solvents useful in the preparation of polymers containing hydrophilic and hydrophobic monomers
This invention relates to solvents which may be used to extract polymers that are made of hydrophilic and hydrophobic monomers.
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6749779 |
Precision integral articles
This disclosure describes a processing approach for the rapid and efficient in-situ polymerization of specially prepared precursor mixtures to achieve near-net-shape production of objects/articles...
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6746632 |
Morphology trapping and materials suitable for use therewith
This invention is directed to a process for the rapid in-situ curing of polymerizable materials to provide macromolecular networks and articles of manufacture that are “morphology-trapped”;...
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6746823 |
Fabricating process of non-gap 3-D microstructure array mold core
A process of fabricating a non-gap 3-D microstructure array mold core comprises a first step in which a buffer layer is coated on a substrate. A photomask layer is then coated of the buffer layer....
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6740139 |
Automated system for de-oxygenating and dispensing solution
An embodiment of the invention is an automated system for transporting and deoxygenating a solution. The system is designed to: 1) transport a solution through a deoxygenating device 2)...
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6736999 |
Method of manufacturing optical element and optical element manufactured thereby
A method of manufacturing an optical element is disclosed which comprises the steps of providing a molding material onto a mold; giving a local temperature difference to an interface between the...
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6737661 |
Pre-treatment of molds
An irradiation device for treating molds comprising a UV irradiation source, and a means for holding the molds. The invention is also a method of treating molds, comprising the steps of exposing a...
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6726858 |
Method of forming lenticular sheets
The present invention provides a method of forming a lenticular sheet for use in forming a substantially ghost-free lenticular image. In a preferred embodiment, the method according to the...
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6721097 |
Optical element, its manufacturing method and optical element manufacturing metal die
Systems and methods of the present invention are directed to an optical element that includes a diffraction grating, an inclined surface, good optical characteristics, and an optical element...
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6717738 |
Optical element, metal mold for producing optical element and production method for optical element
An approximately rectangular parallelopiped shaped optical element 100 has a substrate (base) 101, a lens 102, and an axially symmetric convex portion 103 D formed in an upper surface 100 U...
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6707622 |
Resin-molded prism and mold for the same
A resin prism including two or more optical surfaces ( 11-13 ) that are not parallel to each other, a pair of side end faces ( 14, 15 ) substantially perpendicular to the optical surfaces ( 11-13...
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6685855 |
Method of making thermally-conductive casings for optical heads in optical disc players
A method of making a thermally-conductive casing for an optical head in a disc player is provided. The method involves molding a polymer composition comprising: i) about 20% to about 80% by weight...
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6675863 |
Seamless master and method of making same
Hollow, cylindrical, seamless metal master for producing seamless diffuser sheets of preselected length and width. Additional aspects of the invention include a hollow cylindrical seamless...
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6673276 |
Ophthalmic lenses
The present invention relates to the use of metal organic compounds in a process for providing a moulded plastic article comprising the step of polymerization casting of a curable composition...
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6673275 |
Method for making optical devices from homopolymers
An improved optical film having a continuous/disperse phase morphology and a method for making the same is provided. At least one of the continuous and disperse phases comprises a blend of...
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6638451 |
Plastic casting molds
The invention is concerned with the problem that with known plastic casting molds, especially those of polypropylene, the lenses produced with these molds have a slippery surface. The invention...
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6635195 |
Cationic photopolymerization of diepisulfides and application to the manufacture of optical lenses
A process for polymerizing/curing a photopolymerizable monomer composition comprising at least one diepisulfide monomer which comprises the steps of: a) mixing to the monomer composition an...
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6627124 |
Single mould alignment
The invention tackles the problem of improving the production process for contact lenses further, so that the production costs for contact lenses can be reduced further and the production...
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6623666 |
Plastic light selective element for imaging applications
An image sensing device including an imaging sensor, a package having opposing side portions, and an infrared light selective element coupled to the opposing side portions and overlying a top side...
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6610221 |
Treatment of contact lenses with supercritical fluid
A method of treating contact lenses made from polymerizable materials by providing supercritical fluids to the lenses.
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6610166 |
Method for replicating optical elements, particularly on a wafer level, and replicas formed thereby
Integrated multiple optical elements may be formed by bonding substrates containing such optical elements together or by providing optical elements on either side of the wafer substrate. The wafer...
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6610220 |
Process of manufacturing contact lenses with measured exposure to oxygen
This invention provides a method of manufacturing a contact lens comprising the step of: dosing a contact lens mold comprising optical mold surfaces with an oxygen-sensitive reaction mixture,...
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6601629 |
Three-dimensional structure transfer method and apparatus
A method for transferring a three-dimensional structure onto a substrate, which includes filling a plurality of concaves arranged on a sheet-form mold with a paste-like structural material,...
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