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JP5398371B2 |
The method involves fastening an optical element blank (1) to an inner side of a ring (2), where an optical surface of the blank to- be-shaped is projecting beyond an edge of the ring. A force is applied to an outer surface (23) of the r...
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JP2014012338A |
To provide a polishing device with reduced polishing time.In a polishing apparatus 1, a control section 60 controls operation of an XYZ stage 20 so that moving speed of a polishing member 42 on a mask substrate 10 is substantially consta...
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JP2014000624A |
To provide an optical crystal polishing apparatus and an optical crystal polishing method capable of realizing a simplified mechanism for changing an angle between a polishing target and a polishing sheet.An optical crystal polishing app...
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JP5385093B2 |
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JP2013252571A |
To provide a molding die for molding a holder for holding a lens.A molding die for use in forming a holder for holding a convex surface of a lens having the convex surface different in radius of curvature according to a meridian directio...
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JP5355206B2 |
A machining apparatus capable of easing positioning restrictions on machined shapes and improving the shape accuracy and positional accuracy of the machined shapes. A machining tool forms a machined shape in a workpiece mounted on a work...
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JP5350083B2 |
To control with high accuracy a polishing load for pressing a rotating polishing tool to work. In the polishing device in which the polishing tool 1 is abutted on the workpiece to perform polishing working, a second member 4 for generati...
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JP5350902B2 |
To provide a combination of a fixture and an adapter, and a lens holder, which do not require an operation for fixture replacement and can be used to diverse devices different in the shape of a device mount. The lens holder 10 includes t...
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JP5348849B2 |
A cup attaching apparatus (1) for attaching a cup (C) serving as a machining jig on a surface of a lens (LE) comprises: an illumination light source (3) for illuminating the lens placed on a lens supporting member (5); a screen (6) appli...
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JP5328195B2 |
A method and a device for treating grinding water of a lens grinding device arc provided, in which grinding water is circulated via a grinding water tank (3), a filtering device (13), a lens grinding device main body (1) by a pump (20), ...
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JP3186781U |
To propose a lens polishing apparatus capable of easily removing a fall of a lens processing dish in a short time and a mechanism for removing the fall of the lens processing dish. In a lens polishing apparatus, a lens processing dish 2 ...
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JP5325497B2 |
To provide a method and device of processing a lens, which reduces processing time and increase productivity in a lathe machining process for an aspheric lens such as a lens for progressive power glasses. A plurality of unprocessed lense...
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JP5319410B2 |
To provide a lens polishing apparatus capable of highly efficient maintenance and inspection work for a built-in machining tool rocking mechanism without impairing miniaturization of the apparatus. The lens polishing apparatus 1 is provi...
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JP5311090B2 |
To provide a method of easily checking whether or not a spherical lens is correctly cut at a specified cutting location, and to provide a method of indicating a peripheral shape of the spherical lens. According to the method of checking ...
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JP2013193146A |
To provide a misalignment detector for lens that detects misalignment of the optical axis of a lens being in or after outer circumference processing from the axis and center of rotation of a holder holding the lens, and a lens centering ...
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JP5296509B2 |
To achieve highly accurate grinding while simplifying the setup work, and to improve productive efficiency in the grinding for various shapes of workpiece. A grinding device M grinds a workpiece 1 held by a work shaft 2 by pressing the w...
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JP2013180372A |
To provide a lens holder and a method of manufacturing lens, capable of simply and quickly forming a shape in conformity with an optical surface of the lens while reducing a use amount of a material of the lens holder.A lens holder compr...
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JP2013180373A |
To provide a lens holder and a method of manufacturing lens, capable of preventing effect on the lens during detachment from the lens holder while simply performing detachment of the lens.A lens holder comprises a holding member for use ...
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JP5285116B2 |
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 lest one first surface onto the outer su...
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JP5276844B2 |
The present invention provides methods for lathing at room temperature a silicone hydrogel material, in particular silicone hydrogel material having a high oxygen permeability and made of a polymerizable composition containing a relative...
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JP2013163235A |
To provide an optical element machining tool or the like that hardly causes cracks of the machining tool or flaws of a workpiece or the like, and can evenly supply a machining fluid on a machining surface.An optical element machining too...
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JP5258484B2 |
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JP5247013B2 |
To make an ion beam processing program in an efficient manner. A Faraday cup 8 measuring the current status of an ion beam 3 is disposed on a drive stage 6 carrying a workpiece of an optical element material 7. A removal rate and a remov...
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JP5232149B2 |
This invention provides a process for producing a spectacle lens, which can remove machining traces, is free from a striped pattern, a variation in the degree of lenses, and a sagged shape and can improve the optical properties and quali...
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JP5222690B2 |
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JP5213442B2 |
A raster cutting apparatus and method for producing accurately formed, aspheric ophthalmic lenses having a good quality surface finish. The accurate form and good surface finish are obtained by using a substantially spherically shaped cu...
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JP5214390B2 |
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JP5206231B2 |
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JP2013086239A |
To provide a polishing tool for a plastic lens, a method of polishing the plastic lens and a method of manufacturing the plastic lens capable of suppressing the deterioration of polishing efficiency while reducing a cost required for tre...
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JP5193852B2 |
The present invention provides a slurry composition and method for polishing organic polymer-based ophthalmic substrates. The slurry composition according to the invention includes an aqueous dispersion of abrasive particles and a pyrrol...
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JP5186146B2 |
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JP5181703B2 |
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JP2013052447A |
To provide an optical element processing tool, an optical element processing device and a method for manufacturing an optical element by which the number of the optical elements for simultaneously performing processing can be increased t...
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JP5166037B2 |
A polishing wheel (10) arranged to polish an article. The polishing wheel comprises a hub (12) provided with an axial cavity (18) coaxial with an axis (26). The polishing wheel further comprises a substrate layer (14) being made of an el...
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JP5165460B2 |
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JP5161104B2 |
A polishing machine for optical elements includes: —a spindle arranged to rotationally drive an optical element; —a polishing tool mobile relative to the spindle; —a front face provided with a door enabling the access to the spindl...
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JP5154938B2 |
A device includes pivoting elements enabling the drilling axis (A6) of the drilling tool (35) to be pivoted (PIV) about the axis of orientation, and elements for adjusting the angular position of the drilling tool (35) about the axis of ...
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JP5154884B2 |
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JP2013035110A |
To provide a method for polishing a plastic lens, in which a polishing tool is restrained from being worn down while improving the polishing efficiency and to provide the polishing tool to be used in the method for polishing the plastic ...
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JP5142444B2 |
A method for manufacturing an EUV lithography element mirror includes sagging a plate of a glass material to produce an EUV mirror blank; and polishing a top face of the EUV mirror blank to produce a polished EUV mirror. A method for man...
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JP2013027963A |
To provide a lens polishing method that can efficiently perform the high precision polishing of a lens while being reduced in uneven polishing.The lens polishing method for polishing an optical surface into an aspheric shape by drawing a...
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JP5129324B2 |
A new lens blocking material (adhesive composition 78) is proposed that essentially overcomes the drawbacks of previous blocking materials. This new material combines traditional UV and/or visible light (VIS) curable polymer materials wi...
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JP5123677B2 |
The device (1) has an inner tube (15) coaxially arranged in an outer tube (12), and rotatably supported by the outer tube so that the inner tube is shifted in a direction along a central axis line (2) of a lens retaining shaft (3). A hol...
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JP5122143B2 |
An adhesive tape, interposed between a lens to be processed and a holding jig when the lens is mounted in a lens processing machine, which has a plastic foam with holes opening in an adhering surface and an adhesive layer formed on the a...
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JP5118781B1 |
To propose a work transfer device provided with a pallet fixing mechanism for correcting and preventing tilt of a work transfer pallet placed on a pallet cradle. A work transfer device 1 has a pallet pedestal 42 provided with a pallet re...
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JP5121304B2 |
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JP5112910B2 |
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JP2012240177A |
To provide a grinding apparatus and a grinding method, by means of which working can be performed while easily monitoring the wear of a cup grinding wheel and the shape of a workpiece.An attendant sensor 51 provided so as to be attendant...
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JP2012240176A |
To provide a grinding apparatus that suppresses shaft deviation between a rotary shaft on a grinding object side and a rotary shaft on a grinding wheel side, thereby providing a highly accurate spherical shape, and to provide a grinding ...
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JP5087481B2 |
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