Matches 101 - 150 out of 441 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
6597521 Optical unit and method for making the same  
The invention is directed to an optical unit having elements ( 6, 7 ) which are juxtaposed without an air gap therebetween. The two elements ( 6, 7 ) are joined by wringing the same to each other....
6595834 Method of making <200nm light transmitting optical fluoride crystals for transmitting less than 200nm light  
The invention relates to optical fluoride crystals, and particularly to optical fluoride crystals such as calcium fluoride, which have high transmission levels to below 200 nm light, such as...
6589102 Surface polishing method and apparatus  
A lens (L) with an aspheric surface ( 10 ) is held by a vacuum lens holder ( 12 ). A lap wall ( 42 ) is moved towards the lens surface ( 10 ) while in a plastic state. A polishing fabric (PF) is...
6572451 Spectacle lens machining method and apparatus  
The present invention makes it possible to perform machining that forms holes or grooves for the attachment of parts to the outer circumferential edge surfaces of lenses of various lens patterns,...
6572450 Roll format polishing process for optical devices  
Embodiments of the invention provide methods and apparatuses to process optical subsystems. In one aspect, the optical subsystems are polished using an orbital polishing apparatus adapted to polish...
6564111 Method and device for forming a bevel on the edge of a glass lens  
The present invention relates to a method and a device for forming a bevel on the edge of a glass lens using a lens-edge machining apparatus with computer numerical control. The method of the...
6558586 Process for fabricating a surface of an ophthalmic lens, installation for implementing the process and ophthalmic lens obtained by the process  
A process is disclosed of fabricating a surface of an ophthalmic lens. The process includes a step a) of machining the surface by removing material by moving a cutting tool along a continuous...
6555029 Arbor for lathing a lens  
An arbor for lathe cutting lenses, especially contact lenses, from a blank, is designed for the mounting of a lens mold with a cast lens blank therein during lathing of the lens blank. The arbor is...
6527632 Lap having a layer conformable to curvatures of optical surfaces on lenses and a method for finishing optical surfaces  
In a conformable lap and related method for finishing ophthalmic lens surfaces, a rigid base surface of the lap defines a nominal ophthalmic lens curvature corresponding to a predetermined range of...
6427094 Axial alignment apparatus, an eyeglass lens processing system and an eyeglass lens processing preparation system having the apparatus  
An axial alignment apparatus for performing axial alignment for attaching a cup as a processing jig to a subject lens, includes: an imaging device for picking up an image of the lens; an input...
6419549 Manufacturing method of spectacle lenses and system thereof  
The manufacturing system of spectacle lenses includes a computer, an input device to input data to the computer, a display and an aspherical surface processing machine. An operator input customer's...
6394892 Device for machining optical workpieces  
A very versatile device is proposed for high-precision machining of optical workpieces, in particular optical lenses, which comprises a horizontally displaceable gantry with at least one vertically...
6390887 Pre-cutter and edger machine  
A pre-cutter or edger machine for processing the periphery of an optic is provided. The pre-cutter or edger machine of the present invention is advantageous in that it provides a machine that...
6383061 Procedure of and device for processing optical lenses  
For two-side processing of optical lenses, the invention provides that blanks to be used for each lens body ( 7 ) comprise a chucking extension ( 18 ) whereby a single machine is sufficient for...
6375554 Retaining mechanism for lapping device  
A quick change lap retaining device uses radially displaceable blades to engage a groove in the underside of a lap and thereby hold the lap in position. The device fails in the engaged position to...
6374011 Blockless techniques for simultaneous polishing of multiple fiber optics  
A method and apparatus for polishing the side surfaces of fiber optics destined for devices in which the evanescent optical field of the optics must be accessed through polished side surfaces...
6358117 Processing method for a wafer  
A surface grinding method is provided by which grinding striations are produced so that the striations can fully be removed by a polish-off amount less than required in a conventional way in mirror...
6334808 Method for processing peripheral portion of thin plate and apparatus therefor  
A method for processing a peripheral portion of a thin plate, comprises the steps of; contacting the thin plate with a processing part of a tool, which has a round free end and projects to the thin...
6328635 Device for the display of engravement shape of eyeglass lens and method and apparatus for machining lens peripheral edge using the display device  
A lens peripheral edge machining apparatus includes a judging device which judges the type of each of eyeglass lenses on the basis of an edge thickness shape thereof and which classifies the...
6328630 Eyeglass lens end face machining method  
The following was done in order to mechanically polish a bevel face after bevel finishing without manually polishing and thereby speed up the polishing process and improve uniformity of finishing...
6325700 Eyeglass-frame-shape measuring device and eyeglass-lens processing apparatus having the same  
An eyeglass-frame-shape measuring device for measuring a lens frame shape of an eyeglass frame has a holding mechanism for holding the frame in a predetermined condition, a feeler movable while...
6315642 Method and apparatus for the tracing of spectacle frames, and corresponding grinding machine  
This tracing apparatus (11) comprises two tracers (18, 27), which comprise a fine tracer (18), which is brought to bear against the bottom of the bezel of a frame ring (1) and which executes a...
6312317 Method for the production of glass product  
Glass surfaces are produced having a highly polished surface by polishing with a glass polishing liquid having a pH approximating the pH of the glass being polished. The method provides highly...
6276994 Plastic lens substrate and apparatus for and method of producing the same  
A method of the production of a plastic lens substrate is provided which comprises the steps of retaining a starting plastic block material on a processing material retainer, holding a processing...
6257957 Tactile feedback system  
A system for enhancing lens preparation which allows for error compensation to provide nearly error-free lens fining and/or polishing. The system employs a flexure to allow three degrees of freedom...
6250992 Mirror grinding method and glass lens  
A mirror surface grinding method processes an optical glass material into a lens shape using a cup-shaped grinding stone. The grinding stone is pupplied with a polishing solution which contains...
6250993 Method for finishing spectacle lenses, and related device  
The invention concerns a method for finishing a spectacle lens after it has been cut a first time, in order to pass said spectacle lens again on the grinder, which consists in implanting thereon a...
6248143 Composition for polishing glass and polishing method  
An abrasive composition for polishing glass, containing a basic salt of magnesium. Also disclosed is a method for polishing glass with the abrasive composition.
6224467 Method of producing ocular lens and holders for holding lens blank during cutting thereof  
A method of producing an ocular lens, comprising the steps of: (a) preparing a lens blank which gives an ocular lens, the lens blank having a concave back surface and a convex front surface, at...
6190239 Polishing method using two stage members  
A method for creating and maintaining a substantially perfect figure eight polishing pattern for polishing fiber optic connectors and similarly configured industrial components. The method is...
6183343 Polishing apparatus with defined pattern  
An apparatus for creating and maintaining a substantially perfect figure eight polishing pattern for polishing fiber optic connectors and similarly configured industrial components. The apparatus...
6179689 Spherical mirror surface processing method and device  
The device of this invention is made up by: a stage having an upper surface for which a section taken at a right angle to the longitudinal direction describes a concave arc; abrasive tape arranged...
6159078 Method and device for shaping a rotationally-symmetrical surface  
An apparatus and a method for shaping a rotationally-symmetrical surface in a material, where the material is rotated about an axis and a rotating element is placed in contact with the rotating...
6155911 Method and device for polishing both sides of optical lenses  
A process and a device for polishing both sides of an optical lens, in which the lens is mounted in a first workpiece holder and is polished on a first side and a second workpiece holder is then...
6149750 Lens blank surface protection film  
A conformable tape for bonding a lens block to ophthalmic lens blanks is provided. The tape comprises a polymeric backing and a pressure-sensitive adhesive. In a first preferred embodiment the...
6146251 Polishing method, method of manufacturing an optical device, and a liquid suspension used for polishing  
By polishing an optical device such as β-BBO crystals using a liquid suspension comprising a fine powder of silicon oxide and a liquid lubricant of saturated hydrocarbon, satisfactory mirror face...
6135867 Apparatus and method for glass ball lens polishing  
An apparatus and method for polishing a rotationally symmetric object such as a glass ball lens. The apparatus includes first and second plates for securing a plurality of glass ball lenses...
6126520 Fixture and methodology for coupling an optical component to a machine  
The present invention provides a fixture (10) for coupling an optical component (12) to a machining apparatus through the use of a vacuum. The fixture includes a base (34) having means for coupling...
6123604 Apparatus and method for grinding eyeglass lenses  
An eyeglass lens grinding machine, which is designed to effectively utilize the grinding capability of abrasive wheels so as to perform efficient grinding operations. The eyeglass lens grinding...
6123610 Polisher for spherical and non-spherical surfaces  
A lens (L) or the like is placed in a lens holder (16) with a concave end (CC) in contact with a resilient, semi-spherical polishing head member (98) that may or may not be covered by a polishing...
6110016 Lens block and method of processing lenses  
A two-piece lens block allows for the rotation of an edged lens blank in order to align the cylinder of the lens blank correctly. The lens block includes a substantially cylindrical base having a...
6110017 Method and apparatus for polishing ophthalmic lenses  
The invention pertains to an improved method, a lapping tool head and a lens polishing apparatus for carrying out the method, for polishing ophthalmic lenses. The apparatus has a lapping tool head,...
6106366 Lens grinder  
A machine for cutting/grinding ophthalmic lenses has a lens spindle aligned on a vertical longitudinal axis and a tool spindle aligned on an angled axis in relation to the vertical axis. The lens...
6095901 Polishing method for soft acrylic articles  
A method for polishing articles comprising soft acrylic materials is disclosed. The method includes a polishing step and a cleaning step. In the polishing step, a receptacle is charged with...
6089957 Method of grinding eyeglass len, and eyeglass lens grinding apparatus  
An eyeglass lens grinding apparatus, which performs bevelling on an eyeglass lens while sufficiently reducing the variation in the size of the bevel being formed so that the finished lens can be...
6080044 Fining/polishing machine  
A machine for fining/polishing ophthalmic lenses has a horizontal and vertical plates rigidly fixed in an inverted T. Eccentric shafts journalled 180 degrees out of phase on the horizontal plate...
6077154 Polishing apparatus for optical fiber end surface  
The present invention provides a polishing apparatus for optical fiber end surface making it possible to freely adjust the contact pressure between a polishing plane and the distal end face of a...
6074281 Fining and polishing machine and method for ophthalmic lenses  
A fining and polishing machine and method enable a work piece, suitably a spectacle lens, to be polished with a relative motion between the lens and a tool that is precisely matched to the specific...
6074280 Eyeglass lens grinding apparatus and a method of grinding an eyeglass  
In an eyeglass lens grinding apparatus, a material and a process condition of an eyeglass lens to be processed is input. A grinding wheel for grinding the lens is rotated at a variable rotational...
6071176 Gauge for and method of calibrating a lens cutting/grinding machine  
A calibration gauge for use in calibrating a lens cutting/grinding machine has a disk with a concentric post on one of its faces for chucking the disk to a lens spindle. A target delineated on the...
Matches 101 - 150 out of 441 < 1 2 3 4 5 6 7 8 9 >