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7387759 |
System and method for curing polymeric moldings having a masking collar
A system and method for forming a polymeric molding. A mold component includes a transmissive portion for passing curing energy such as UV light into the mold cavity. A masking collar is engaged...
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7371339 |
Prismatic retroreflector having a multi-plane facet
A retroreflective structure includes a retroreflective sheeting having an array of transparent prisms formed into pairs of prisms. Each prism includes a base aperture and three intersecting lateral...
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7351520 |
Micro-lens array and manufacturing method thereof
A micro-lens array and manufacturing method. A hybrid micro-lens in which a refractive lens and a diffraction lens are formed includes: a refractive lens; a first ultraviolet hardening material...
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7329372 |
Method for producing aspherical structure, and aspherical lens array molding tool and aspherical lens array produced by the same method
A method for producing an aspherical structure according to the invention includes the steps of: forming a layer on a surface of a substrate so that the layer exhibits an etching rate distribution...
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7323123 |
Method of fabricating light-guide plate
A method of fabricating a light-guide plate includes preparing an upper mold frame having an inclined inner surface and a lower mold frame having a space therein, preparing a micro pattern plate...
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7294294 |
Surface modified stamper for imprint lithography
A method of performing imprint lithography of a surface substrate includes a stamper having a thin lubricant coating thereon to facilitate release of the stamper from the imprinted surface to...
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7294292 |
Process for producing polymer optical waveguide and resin injecting device
The present invention provides a process for producing a polymer optical waveguide, comprising the steps of: preparing a mold comprising a concave portion; bringing a substrate into contact with...
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7264755 |
Lens molding apparatus and related methods
An adjustable mold includes a distortable boundary, a flexible membrane, and a pressurizer, and method of use thereof. Pressure is applied to the flexible membrane, which causes the membrane to...
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7220120 |
Molds and method of using the same for forming plus or minus lenses
The present invention encompasses, in part, a method and apparatus for lens casting in which two molds, preferably formed of plastic, are interconnected or joined together via a ring to form a mold...
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7215490 |
Method for making a lens barrel
A method for making a lens barrel includes the steps of: (a) forming a fusible mold core having at least one flange; (b) applying an insulating layer on the fusible mold core; (c) disposing the...
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7182890 |
Matrix and method of producing said matrix
The invention relates to a matrix suitable for use in the replication of a plastic element having a positive microstructure, comprising a first wear-resistant layer that is supported by a carrier...
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7175785 |
Method of producing a polarized lens and a casting die used in the same
A method of producing a polarized lens and a casting die used therein are provided to allow a polarized film to be securely positioned within a casting die and a polarized lens to be cast in a...
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7150844 |
Dry passivation process for stamper/imprinter family making for patterned recording media
A method of manufacturing a stamper/imprinter for use in patterning of a recording medium comprises sequential steps of:
(a) providing a substrate/workpiece comprising a topographically...
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7144529 |
Method for molding ophthalmic lenses
The invention concerns a method for moulding a lens, between a first mould ( 2 ) and a second mould ( 6 ) which consists in: machining at least one of the moulds ( 2 ) into the shape of the lens to...
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7125505 |
Method of manufacturing a mold for use in the manufacture of an optical element comprising optical sub-elements mutually arranged in a pattern, and device for implementing such a method
A mold of ductile metal has a shape comprising consecutive sub-shapes corresponding to respective optical sub-elements having substantially identical shapes arranged in a pattern. The mold is...
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7122136 |
Glare prevention feature
The subject invention relates to a method of molding an automotive front lamp assembly that prevents the formation of a sink on the reflector by cutting an area into an injection molding tool so...
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7121119 |
Press molding apparatus for an optical element and method of manufacturing the optical element
A transfer arm holds a plurality of preforms arranged in a single line and simultaneously drops and supplies the preforms downward. A positioning arm has a pair of arm split members split in its...
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7118681 |
Method for the fabrication of an optical disk master
A method for fabricating an optical disk master including fabricating a precursor formed from a substrate including at least one layer of metallic material and having at least one protuberance or...
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7108812 |
Forming die unit adjusting method and forming apparatus
A method of adjusting a forming die unit held by a die holding member, comprising steps of discharging a pressure transmitting medium from at least one of the forming die unit and the die holding...
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7108809 |
Optical coupler replication arrangement and process
An optical coupler arrangement which is employed for replicating surface features of diverse types of optical devices. Also disclosed is to a novel method of accurately replicating surface features...
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7094452 |
Antireflective member and electronic equipment using same
An antireflective member with stability and a low reflectance at low cost may be provided by performing an antireflective treatment to a substrate in a molding process of the substrate. A roughened...
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7094304 |
Method for selective area stamping of optical elements on a substrate
Selective area stamping of optical elements may be performed to make multiple micro-optic components on one or two sides of a substrate may be fabricated using a batch process. The presence of...
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7083746 |
Method of making an optical component, a mould for use in such method, and an optical component so produced
An optical component has working surfaces separated by neutral surfaces which constitute discontinuities between the working surfaces. The component is made by a method which comprises: forming, in...
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7081332 |
Method for manufacturing a light guide plate mold and a light guide plate
A method for manufacturing a light guide plate ( 70 ) includes: providing a first substrate ( 30 ); coating a photo-resist ( 600 ) on the first substrate; exposing the photo-resist using a photo...
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7060175 |
Producing method for optical element molding die and producing method for optical element
A method of producing an optical element forming die, includes the steps of: cutting a base member to form a base optical surface of the base member while rotating the base member; cutting an outer...
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7048378 |
Method of fabricating holographic contact lens
A method of fabricating holographic colored contact lens is provided. A lens-making mold having multiple micro-lines on the peripheral surface is used to fabricate the contact lens and at the same...
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7029607 |
Process for producing polymer optical waveguide
A process for producing a polymer optical waveguide, including the steps of: preparing a mold; bringing into close contact with a cladding substrate which has good adhesiveness to the mold;...
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7028974 |
Lens molding die and a producing method therefor
A lens molding die for producing a lens, which comprises a base member made of a hard material and having one surface of a predetermined shape; and a resin-molded layer formed on the one surface of...
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7009774 |
Microlens array, a method for making a transfer master pattern for microlens array, a concave and convex pattern obtained from the transfer master pattern, a laminate for transfer, a diffuse reflection plate and a liquid crystal display device
A component including a part having a concave and convex configuration for one of the enabling one of light convergence, light diffusion and light diffraction, being formed as a reflective film....
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7008570 |
Method and apparatus for contact lens mold assembly
This invention provides an apparatus and method for assembling first and second mold parts having contact lens forming surfaces, wherein said first mold part has a reaction mixture on said contact...
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7005243 |
Method for producing a light guide plate mold having V-shaped grooves
A method for producing a light guide plate mold ( 2 ) with V-shaped grooves ( 27 ) includes the steps of: providing a mold substrate ( 20 ); applying a first photoresist ( 22 ) onto a main surface...
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6989932 |
Method of manufacturing micro-lens
A method of manufacturing a micro-lens in which at least one first lens is first molded using a compression technique. A lens holder is produced including a hole in which the first lens is seated....
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6977052 |
Check disk for optical data storage disk manufacturing
In one embodiment, the invention is directed to a manufacturing process for optical data storage disks that makes use of a check disk very early in the production cycle. The check disk can be...
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6962668 |
Double-sided digital optical disk and method and apparatus for making
A digital optical information disk contains content and/or non-content information on both sides of a single substrate produced by a process that embosses the surfaces of both sides substantially...
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6960312 |
Methods for the production of plastic lenses
A lens forming apparatus for preparing a plastic eyeglass lens includes a first lens curing unit, a second lens curing unit and a conveyor system for moving mold assemblies between the two units....
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6942341 |
Soft translating contact lens for presbyopia
A method of producing a master cast used in making a contact lens mold, comprising the steps of: rotating a master cast blank, having an outer surface, about a first rotational axis and cutting at...
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6939486 |
Apparatus and method for making intraocular lenses
Method and apparatus for molding an IOL comprising first and second mold halves each having an optic forming surface and haptic forming surfaces which together define a mold cavity in the shape of...
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6936197 |
Method and compositions for manufacturing coated photochromatic articles
A method and apparatus for making a lens includes a front mold ( 90 ) which has a reflective, UV absorptive surface, a back mold ( 50 ) which is UV light transmissive and a gasket ( 60 ) which...
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6936195 |
Method and apparatus for storing and retrieving information using optical data storage media
Disclosed is a method of manufacturing optical information storage media and multi-layered optical information storage media. Paired information storage structures have characteristic wavelength...
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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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6919037 |
Method of manufacturing an optical reflector
The invention proposes a method of manufacturing a hollow optical reflector of the type which comprises a rear body overmolded around the convex rear external face of a front insert, the concave...
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6913715 |
Lens molds with protective coatings for production of contact lenses and other ophthalmic products
This invention relates to the preparation of molds for the production of contact lenses and other ophthalmic articles. By using an inorganic material to coat the optical surfaces and sidewalls of...
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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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6887405 |
Method for cutting optical lens and/or molding die therefor
A cutting method for cutting an optical lens and/or a molding die therefor includes rotating the optical lens and/or the molding die about the optical axis, moving a cutting blade in a direction...
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6881358 |
Mold apparatus and method
A mold apparatus is arranged to produce molded optical elements. The apparatus includes a first mold unit for defining mold cavities and flow passageways, and a second mold unit having a patterned...
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6876051 |
Aspherical microstructure, and method of fabricating the same
As a method of fabricating aspherical microstructures, a protruding microstructure is formed on a substrate, an aspherical-profile forming layer is formed on the substrate and the protruding...
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6875379 |
Tool and method for forming an integrated optical circuit
Tools and methods for making molded an optical integrated circuit including one or more waveguides are disclosed. In one embodiment, a molding die is provided that includes a substrate that has a...
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6872335 |
Method and apparatus for holding a mold assembly and molding an optical lens using the same
An apparatus and method for holding a mold assembly and molding an optical lens using the same. In one aspect, the present invention provides an apparatus for holding a mold assembly, wherein the...
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6869549 |
Method and mold for making ophthalmic devices
This invention provides a method and a mold for improving the release of a molded ophthalmic device from a mold. The method comprises the steps of: providing a first mold half and second mold half...
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6858165 |
Method of manufacturing plastic thin-plate article with protrusions on surface thereof
A method of manufacturing a diffusion plate for use in a screen plate of projection TV is disclosed. The diffusion plate having a plurality of quadrangular pyramid protrusions almost over one side...
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