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7343218 |
Automatic part feedback compensation for laser plastics welding
A feedback control system for controlling a laser source. The feedback control system includes a laser source outputting laser energy and an optical sensor detecting the laser energy. The optical...
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7287877 |
Vehicular lighting device and beam welding method
A beam welding method in a vehicular lighting device where a transparent cover is mounted on a housing so as to cover its front face is characterized in that a transparent cover and a housing each...
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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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7001541 |
Method for forming multiply patterned optical articles
The present invention provides a solution to the needs described above through a method for forming multiply patterned optical articles. The method comprises providing a micromold having a...
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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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6814900 |
Optical attenuator molding method
A method for molding an optical attenuator having a unitary lens portion and supporting portion includes the steps of: providing a mold having cavity and core elements which together define a space...
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6814897 |
Method for manufacturing a molding tool used for substrate molding
The invention relates to methods for making mold tools. More particularly, the mold tools are used for molding a resin substrate which has fine pits, i.e., concavities and protuberances. The...
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6776934 |
Method for polymerizing lenses
A method for photopolymerizing a monomer mixture to form a lens involves photopolymerizing a mixture of lens-forming monomers that includes an initiator of the formula: wherein: Ar represents an...
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6700716 |
Optical element with a microprism structure for deflecting light beams
An optical element ( 10, 10′, 10 ″) for deflecting light beams ( 18, 19 ), which enter and re-emerge from the latter, in such a way that their angle of emergence (γ) is limited, in particular...
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6649093 |
Method of manufacturing an optically scannable information carrier
The invention relates to a method of manufacturing a master mold ( 1 ), which is used to manufacture an optical information disc, such as a CD or DVD. According to the method, a substrate ( 3 ) is...
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6482493 |
Optical disc and method and apparatus of fabricating master disc for the same
An optical disc capable of being high a recording density. On the optical disc, there is provided a pit having a width large relative to a length. The width of the pit is larger than the length of...
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6440333 |
Optical recording medium, and method of manufacturing same
There are provided an optical recording medium and a method of manufacturing the optical recording medium. The optical recording medium has a pattern of microscopic depressions and projections...
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6413450 |
Thermal shaping of optical fibers
A method for shaping an optical fiber with various geometries while minimizing unwanted artifacts in the core of the optical fiber. The method facilitates control of sag in the region of the core...
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6365329 |
Process for making multiple data storage disk stampers from one master
A method of making a stamper for use in a data storage disk molding process. The method includes making a first stamper including the steps of providing a stamper body having an information layer...
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6303276 |
Method and apparatus for making optical master surface diffusers suitable for producing large format optical components
An improved method for generating masters having a plurality of randomly distributed speckle suitable for making seamless light shaping diffusers of virtually any size and at low cost is disclosed...
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6266978 |
Method for producing synthetic quartz glass for use in ArF excimer laser lithography
A simple method for producing a synthetic quartz glass having excellent homogeneity and high transmittance, which is useful as an optical material in producing steppers equipped with an ArF excimer...
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6200502 |
Process for the production of optical components with coupled optical waveguides and optical components produced by said method
The invention concerns a method for the fabrication of an optical component with at least one fiber taper receptacle and a coupled fiber taper For this, a microstructure body is first made by...
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6159398 |
Method of making replicas while preserving master
An improved method of making laminated optical components through the use of a master and several submasters is disclosed. A glass/photoresist master is made by recording optical surface features...
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6132651 |
Magnetic recording medium and process for producing same
A magnetic recording medium having a substrate disc with microscopic bumps formed by focusing a laser beam, wherein spacings D between adjacent bumps in the circumferential direction of the disc...
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6118913 |
Apparatus for haptic attachment for intraocular lenses using diode laser
A system for staking a haptic to an optic to form an intraocular lens using a laser beam operating near the infrared range with a coaxial aiming laser beam operating in the visible range. A portion...
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6099786 |
Method of making accurate dimension alignment film for LCD
A method of making accurate alignment layers in a liquid crystal display (LCD) cell is provided so that the LCD seal band can be placed as close to the pixel as possible. This method is implemented...
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6077349 |
Method and apparatus for manufacturing disc-shaped recording medium
When applying a coating film by a spin coating method on a disc-shaped recording medium, the film thickness difference between the inner rim and the outer rim of the disc has to be suppressed. To...
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6030556 |
Optical disc stampers and methods/systems for manufacturing the same
Optical disc stampers, methods of manufacturing the optical disc stampers, systems for manufacturing the optical disc stampers, and methods of replicating optical discs using the stampers are...
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6008467 |
Laser processing method to an optical waveguide
In a method for forming a hole for fitting an optical fiber only at a core portion without having to precisely match or accord the focus of a laser beam with the end surface of an optical...
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6004487 |
Method and apparatus for laser-texturing disk surfaces
Method and apparatus for a disk texturing operation in which laser pulses are successively bombarded against a delimited surface area on the face of a rotating disk, from an optical laser pulse...
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5968441 |
Laser processing method
A laser processing method for ablating a transparent material is disclosed. A laser beam absorption layer is formed in a desired ablation portion beforehand by the implantation of an impurity or...
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5951731 |
Laser processing method to a micro lens
For forming bores for insertion of optical fibers, etc., on one side surface of a micro lens with high accuracy and easy work, a laser processing method that includes the steps of: irradiating a...
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5942165 |
Method for making irregular shaped CD's and other playing discs
A method of making irregular shaped playing discs to achieve proper balance for playing involves the use of a grid (7) divided into quadrants (1, 2, 3, 4) having squares of a predetermined size. A...
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5935492 |
Method and apparatus for demolding ophthalmic contact lenses
Methods and apparatus which are utilized for the production of ophthalmic lenses, and more particularly, a method for the removal or demolding of molded ophthalmic contact lenses from the...
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5882554 |
Method for exposing optical master disk
An apparatus for exposing an optical master disk includes an exposure section, an exposure control section, a guide groove exposure voltage supplier and a modulator. The exposure section is for...
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5863473 |
Process for producing magnetic recording medium
A laser beam is focused onto a substrate for texturing the substrate surface to form a multiplicity of microscopic bumps thereon, wherein the laser beam to be focused is continuously modulated at...
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5837169 |
Creation of bragg reflactive gratings in waveguides
A method of avoiding phase discontinuities between adjacent sections of a long Bragg grating written section-by-section in an optical fibre uses masks with alignment parts additional to their...
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5820795 |
Manufacturing method of magneto-optical master disk
It can be selected whether to form a both-side wobble groove whose both side walls wobble by irradiating two light beams while oscillating the same along the radius of a magneto-optical master...
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5770238 |
Master disk for making dies for pressing in particular optical disks
Master disks for providing dies in particular for pressing optical disks, methods of manufacturing same, pressing dies obtained from such master disks and optical disks obtained from the latter and...
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5770125 |
Haptic attachment system for intraocular lenses using diode laser
A system for staking a haptic to an optic to form an intraocular lens using a laser beam operating near the infrared range with a coaxial aiming laser beam operating in the visible range. A portion...
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5770123 |
Method and apparatus for energy beam machining
An energy beam is irradiated to a workpiece through a beam transmission hole defined in a mask. At that time, a relative position between an energy beam source and the mask or the mask and the...
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5770119 |
Laser demolding method
An automated demolding apparatus for reliably and repeatedly mechanically separating contact lens mold portions of a mold assembly without damaging the contact lens formed there between. Before...
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5768022 |
Laser diode having in-situ fabricated lens element
This invention teaches a method for fabricating a microlens within a window of a laser diode assembly, and a laser diode assembly fabricated in accordance with the method. The method includes the...
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5688447 |
Mass production method for fabricating multi-layer CDs
An optical disk records digital information in optically-reflective layers that each vary in thickness between constructive interference of a monochromatic light and destructive interference of the...
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5667736 |
Method of making a laser generated lighting fixture
A lighting fixture includes a grating of discontinuities that is integrally molded in a translucent member for spatially modulating light from a light source of the fixture. A translucent lens...
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5651924 |
Method for manufacturing light panels
A method for manufacturing light panels consisting of a plate shaped carrier with light conducting fibers fixed therein according to a given pattern. The method includes the steps of inserting the...
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5635114 |
Method of making thin film optical storage media
An optical disk records digital information in optically-reflective layers that each vary in thickness between constructive interference of a monochromatic light and destructive interference of the...
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5614338 |
Process for manufacturing backlit displays utilizing treated plastics and laser energy
A method is provided for producing a graphic for a backlit component, such as a button for an illuminated graphic display of an automobile instrument panel. The method involves a process by which...
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5523029 |
Method of attaching a haptic to an optic of an intraocular lens
A method for attaching haptics to an optic of an intraocular lens including the steps of providing the peripheral edge of the optic with at least one hole, inserting an end of the haptic into the...
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5501822 |
Fabrication method for a 3-d opto-electronic system with laser inter-substrate communication
A 3-dimensional opto-electronic system employs an optical communications channel between spaced circuit substrates. The beam from an in-line laser on one substrate is deflected by a turning mirror...
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5441836 |
Laser ablation mask repair method
A laser ablation mask repair method. Defects (holes) are located in a dielectric mask. The surface of the mask above the defect is melted with a CO 2 laser to form a depression in the surface. The...
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5397511 |
Method of producing intraocular lens formed from polymide powder
A method of producing an intraocular lens having integrally formed optic and haptic including the steps of: (a) preparing a polyimide powder having a repeated unit represented by the following...
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5294293 |
Target domain profiling of target optical surfaces using excimer laser photoablation
A method for inducing cylinder power into an optical surface which comprises the steps of providing a corneal surface to an apparatus capable of indexing the position of said target to the beam...
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5250235 |
Method of making laser-welded intraocular lenses
The invention provides laser-staked intraocular lenses and a method for producing these lenses. The invention method uses a apertureless Nd YAG laser for staking PMMA fixation members onto PMMA...
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5240553 |
One and two dimensional target domain profiling of target optical surfaces using excimer laser photoablation
A method for modifying a target optical surface which comprises the steps of providing a target optical surface to an apparatus capable of indexing the position of said target to the beam path of a...
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