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WO/2001/083163A2 |
A method of polishing and cleaning a glass surface with a single abrasive article (13, 13'). The abrasive article (13, 13') includes ceria abrasive particles dispersed in binder, the abrasive article having a textured, three-dimensional ...
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WO/2001/081983A1 |
Rimless spectacles capable of easily assuring a wide effective view, durability, attractiveness, and reduced weight and being manufactured easily, wherein a cut-out part is provided at the edge part of a spectacle lens, an installation m...
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WO/2001/082353A1 |
A wafer outer peripheral chamfered part polishing device capable of polishing the outer peripheral chamfered part of a wafer by allowing a rotatably held wafer outer peripheral chamfered part to abut on a rotating cylindrical polishing d...
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WO/2001/073831A1 |
A production method for a mirror-polished wafer with a minimum edge rounding (peripheral rounding) using a comparatively simple method, a production method for a bonding wafer having an SOI layer or a bond layer with its outer peripheral...
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WO/2001/070459A1 |
The invention relates to a method for treating spectacle glasses by means of a CNC-controlled spectacle glass treatment machine. The inventive method comprises the steps: mounting the raw glass (9) on a holder (20) in the spectacle glass...
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WO/2001/070460A1 |
The invention relates to an assembly for machining the edges of spectacle lenses, comprising at least one CNC-controlled processing machine (1) for machining a spectacle lens, at least one device (3, 4) for determining the optical values...
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WO/2001/070461A1 |
The invention relates to a supplementary grinding tool (31, 32, 37) for chamfering and optionally grooving the edges of spectacle lenses on an edge grinding machine for spectacle lenses. Said grinding machine comprises two coaxial half s...
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WO/2001/066309A1 |
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 polishing beads of various sizes, alumina, a sw...
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WO/2001/066307A2 |
Method and apparatus for shaping the edge (103) of a rigid, brittle materials such as ceramic plates and rigid composite plates utilizing a resin-bonded abrasive wheel.
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WO/2001/064392A1 |
The invention relates to a device for the mechanical working of the longitudinal edges of continuous bands (4, 5), displaceable in the longitudinal direction thereof, in particular, in a production device, for example, a double band unit...
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WO/2001/062436A1 |
In a polishing method for mirror finishing the peripheral chamfered part of a wafer using an abrasive cloth while supplying abrasive to the peripheral chamfered part in order to enhance the productivity of the polishing process by shorte...
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WO/2001/062437A1 |
An apparatus (10) and process for chemical-mechanical polishing an edge (24) of a semiconductor wafer (22) using a heated polishing pad (16) and a heated liquid chemical slurry (56). The apparatus includes a rotatable drum (12) having a ...
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WO/2001/062439A1 |
A lens layout block device, comprising a seal feeding device (24) for feeding an elastic seal (3) to a seal sticking position (A5), wherein the elastic seal (3) is loaded in a tape loading part (73) in the form of a seal tape (67) covere...
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WO/2001/062438A1 |
A lens layout block device, comprising a device for sticking an elastic seal on a lens holder, a device for holding a lens on the lens holder having the elastic seal stuck thereon, a rotating arm (160), an arm driving device for rotating...
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WO/2001/060565A1 |
The invention relates to a method for the rotary grinding of a workpiece (14), whereby a rotating grinding disc (18) is brought against the surface (30) of the workpiece (14) to be ground, whilst the workpiece simultaneously turns about ...
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WO/2001/060553A1 |
A method of producing glasses lenses, comprising an approximate machined surface rough grinding step for generating an approximate surface shape approximate to a lens surface shape based on a glasses lens prescription by numerically cont...
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WO/2001/056739A1 |
A grinding pin (53) for grinding notches in the edges of disc workpieces, such as semi-conductor wafers, comprises a metal spindle (132) for mounting in a grinding machine, and an adjoining cylindrical region having axially spaced sectio...
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WO/2001/056031A2 |
A bidirectional full swing voltage repeater implemented on a signal line of an integrated circuit, which includes a first enable node for providing a first enable signal and a second enable node for providing a second enable signal. Ther...
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WO/2001/056032A2 |
A method in an integrated circuit for implementing a reduced voltage repeater circuit on a signal line having thereon reduced voltage signals. The reduced voltage signals has a voltage level that is below VDD. The reduced voltage repeate...
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WO/2001/056070A1 |
A method for planarizing a dielectric layer on a semiconductor wafer while eliminating a mask and etch step, in accordance with the present invention includes providing a semiconductor wafer having trenches formed in a trench region of a...
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WO/2001/053038A1 |
A method and system for the manufacture of ophthalmic lenses comprising a computer (102) and a CNC machining platform (104) in operative connection with the computer. The CNC machining platform includes a mounting stage (110), a block (1...
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WO/2001/048802A1 |
In order to evaluate the machinability of the periphery of a wafer used for measuring the in-plane distribution of the machinability of the periphery of the wafer, a wafer having a reference position serving as a boundary in the directio...
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WO/2001/048752A1 |
A process for mirror-finishing the edge of a recording disk raw plate comprising (a) grinding the edge of a recording disk raw plate with a diamond wheel to shape the edge into a trapezoidal configuration; (b) grinding the edge of the re...
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WO/2001/045897A1 |
An automatic trimmer machine (5) for finding the geometrical center of an optic having a non-round periphery, trimming the edge of the optic to a prescribed diameter for each optic, cleaning and drying the optic, and verifying the diamet...
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WO/2001/045898A1 |
The present invention describes a form of blade tip grinder (5) for grinding the tips (6) of turbine or compressor rotors (7). The invention is characterised by the inclusion of a de-burring wheel (10) which is mounted and operated so as...
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WO/2001/045896A1 |
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 adventageous in that it provides a machine that eliminates the need to mount the optic on a b...
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WO/2001/032358A2 |
The invention relates to a method and a device for rounding edges (6). An erosive liquid enables to round edges (6) even at points that are difficult to access or have a complicated geometry.
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WO/2001/030539A1 |
The present invention relates to a honing method and apparatus which provides greater control over the edge shape, as well as reductions in the effort required to hone multiple edges on workpieces. The invention accomplishes these improv...
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WO/2001/028739A1 |
A device for polishing the outer peripheral edge of a semiconductor wafer, comprising a rotating mechanism (2) for mounting a laminate (1) of semiconductor wafers (4) thereon and rotating them, and a polishing mechanism (3) disposed mova...
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WO/2001/010588A1 |
A lens processing device capable of performing, in one chuck, those operations ranging from a measurement to various types of processings required for spectacle lens processing and also realizing a highly accurate processing, comprising ...
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WO/2001/002133A2 |
A disc-like workpiece (10), such as a semi-conductor wafer, is positioned relative to a grooved grinding wheel (32) by the steps of rotating the workpiece and wheel about respective parallel axes, performing a preliminary grind, measurin...
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WO/2000/071295A1 |
The rotary tool for producing profiles or cuts in hard fragile materials such as marble, granite, stone, glass and the like comprises at least one rotationally symmetrical body (1, 2) involving a configuration defined by the envelope of ...
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WO/2000/066325A1 |
The invention relates to a holding device (10) for a spectacle glass (24), for introducing the spectacle glass into or removing it from a container and/or for placing the spectacle glass on or removing it from a spectacle glass holding s...
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WO/2000/062975A1 |
The invention concerns a device for flat deburring by brushing characterised in that it comprises a plurality of brushes (4A to 4H) diametrically opposed in pairs, mounted on a rotary drive head (2A) and driven in rotation on themselves ...
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WO/2000/059679A1 |
A production method comprising a step of marking in a region to be shaved off by lens shaping lens production information such as a shaping mark (31) indicating a region remaining after lens shaping on the surface of a spectacle lens (10...
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WO/2000/058052A2 |
The invention relates to a method and a device for machining the peripheral edge of spectacle lenses and for optionally applying a subsequent facet thereto. The device comprises a driven spectacle-lens holding shaft which holds the spect...
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WO/2000/057455A1 |
A method and apparatus for processing wafer edges is disclosed. Pressure applied to the wafer at one end of a brush/pad assembly is greater than at the opposite end of the brush/pad assembly. The increased pressure causes wafer rotation ...
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WO/2000/050348A1 |
A sheet glass working machine, comprising a cutting part (1) which forms a cut line for snapping sheet glass pane material (22) in the sheet glass material (22), a polishing part (2) which polishes the edges of the sheet glass snapped al...
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WO/2000/048799A1 |
A device is provided to assist in the cutting, mitrering, chamfering and similar operations of ceramic and other tiles. The device can be readily attached, and subsequently removed from, a cutting implement such as an angle grinder or a ...
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WO/2000/040370A1 |
A method of 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 polishing beads of various sizes, alumina, sodium...
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WO/2000/020169A1 |
The invention provides an improved machine for finishing the edges of glass or other brittle materials. The edge-finishing machine includes a main conveyor section (12/11) including two toothed main belts that grip and convey the glass o...
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WO/2000/021122A1 |
The present invention is a novel high-precision semiconductor wafer manufacturing method, which attempts to achieve a high-precision wafer by incorporating a low-deformation grinding process. It enables total materials costs to be reduce...
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WO/2000/016944A1 |
A method for simultaneously edging a complementary pair of ophthalmic lenses (1, 2) is disclosed. In this method; 1) the lenses (1, 2) to be edged are stacked or temporarily bonded; 2) the stacked or temporarily bonded lenses (1, 2) are ...
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WO/2000/007770A1 |
The invention relates to a grinding machine for the edges of spectacles lenses, comprising at least one grindstone and one driven shaft for holding the spectacles lenses, said shaft being able to move radially and axially relatively to t...
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WO/2000/003838A1 |
The invention relates to a device of a spectacle lens edge machining tool for the non-rotational and immobile holding of an uncut glass (2) between the two halves (12, 14) of a spectacle lens holding shaft, which can be displaced in rela...
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WO/2000/003839A1 |
The invention relates to a device for the non-contacting scanning of the groove in the opening of a spectacle frame (2) and/or of the circumference of a spectacle lens or a spectacle lens former, and for storing the values obtained or di...
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WO/1999/067053A1 |
A two-piece lens block (10) allows for the rotation of an edged lens blank (5) in order to align the cylinder of the lens blank (5) correctly. The lens block (10) includes a substantially cylindrical base (12) having a first surface (13)...
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WO/1999/067054A1 |
A semi-conductor wafer (12) has its inclined edge flanks polished by a grooved wheel (16) of synthetic plastics material, while a jet (20) of polishing slurry, which may comprise colloidal silica, is fed downwards into the zone of contac...
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WO/1999/058295A1 |
The invention relates to a device for holding a spectacle frame (37) and for scanning a facet groove in the spectacle glass openings (4) of the spectacle frame (37). Said device has a base plate (1) comprising two adjacent openings (2), ...
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WO/1999/058294A1 |
A wave bevelling machine is disclosed which produces a wave bevel on a glass work piece. The machine includes a feed path that is adapted to receive a glass work piece and which includes a plurality of spaced-apart treatment heads adjace...
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