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Matches 1 - 50 out of 4,649

Document Document Title
WO/2018/131771A1
The present invention relates to a peening position control technology of an ultrasound peening system, comprising: an ultrasound wave generation unit for generating an ultrasound wave; an ultrasound wave radiation unit arranged to make ...  
WO/2018/122523A1
The invention concerns a device (100) for treating a metal part (1) having an outer surface (1-1), comprising: - a chamber (11), - a vibration module (12) comprising: ▪ a generator (12-1) for generating an electric signal at ultrasonic...  
WO/2018/116558A1
Provided are a method for polishing a silicon wafer and a method for manufacturing a silicon wafer which are capable of suppressing the occurrence of a step-shaped micro defect. This method for polishing a silicon wafer is characterized ...  
WO/2018/117320A1
According to the present invention, a vibratory polishing system using natural vibration is disclosed. The vibratory polishing system using natural vibration comprises: a base plate; a pair of guide members provided at either side on the...  
WO/2018/116122A1
A pad conditioner includes a carrier, at least one abrasive element, and a spacer. The carrier includes a surface with an exposed region and a plurality of mounting regions. The abrasive element is disposed on the mounting region of the ...  
WO/2018/102332A1
Strengthened glass substrates and methods of reducing warp in strengthened glass substrates having 3D and 2.5D shapes are disclosed. In one embodiment, a strengthened glass-based article includes a first surface, a second surface opposit...  
WO/2018/059144A1
A CMP equipment polishing head wafer falling detection method and system. The method comprises: monitoring, in a vacuum wafer grabbing process and a wafer carrying and conveying process of a polishing head, the vacuum adsorption pressure...  
WO/2018/058772A1
Disclosed is a machine for grinding and polishing a safety valve flap by means of a magnetic fluid, comprising a first mounting mechanism (100) used for mounting a safety valve flap (105), and a second mounting mechanism (200) used for c...  
WO/2018/053141A1
Systems and methods for providing optical systems which utilize double Fresnel lenses on curved surfaces for use with display systems, such as silicon-based micro display systems (e.g., OLED micro displays) used with head mounted display...  
WO/2018/049790A1
Disclosed is a multi-angle two-dimensional ultrasonic vibration assisted grinding device of a nano-fluid minimum quantity lubrication type, comprising components, such as a workpiece clamp (I-9) for clamping a workpiece (I-12), a grindin...  
WO/2018/041084A1
An automated brushing system for a side wall of a railway vehicle, and a process for performing a brushing operation by using the system. The automated brushing system comprises a central control system (1), a robot (3), a brushing devic...  
WO/2018/039031A1
A system and method for manufacturing and/or reconditioning side frames and bolsters for railway cars includes at least one robot adapted to access positions along the length of the part. A map of the part dimensions, which may be obtain...  
WO/2018/038885A1
An acidic slurry composition for use in chemical-mechanical polishing including an acid pH adjuster and a cationic polishing suppressant comprising a quaternized aromatic heterocycle. The quaternized aromatic heterocycle imparts a polish...  
WO/2018/032659A1
A method and device for magnetorheological finishing, the method comprising: winding coils on iron cores (1-1, 1-2); designing magnetorheological finishing fluid containers (2-1, 2-2, 2) of different shapes according to different shapes ...  
WO/2018/030120A1
A ground workpiece having a smaller diameter than that of an object to be ground 10 is manufactured by grinding a side surface of the object to be ground 10 through the following steps (a) and (b). In step (a), a cup-type grindstone 30 i...  
WO/2017/202233A1
A metal surface mechanically-assisted electrothermal alloying preparation method, comprising the following steps: step I. pretreating a metal workpiece matrix to be alloyed; step II. preparing an electrothermal alloying electrode; step I...  
WO/2017/161429A1
The present invention relates to a cylinder sleeve (1) for use on an internal combustion engine, provided with a bored-through cylindrical body comprising an inner contact surface (4) with at least one piston ring, the inner surface (4) ...  
WO/2017/160897A1
A separator for an electrochemical cell includes a base layer configured to block electronic flow and allow ionic flow between a positive electrode and a negative electrode. The base layer has a first major surface and a second major sur...  
WO/2017/155081A1
[Problem] To enable precise planarizing with a compact device without causing damage to a workpiece while also effectively suppressing the occurrence of vibrations during device activation. [Solution] This planarizing device is provided ...  
WO/2017/141918A1
[Problem] To provide a processing method and a processing apparatus capable of realizing high-efficiency, high-precision processing with a simple configuration, using dry polishing for processing diamonds, etc. [Solution] A processing ap...  
WO/2017/107832A1
An ultrasonic machining method for improving the abradability of a wheel of a locomotive comprises: carrying out ultrasonic machining on a flange (2) and/or the surface of a tread (3) of a wheel rotating around a primary shaft by using a...  
WO/2017/106186A1
An aqueous polishing slurry having enhanced wettability comprises a detergent blend which includes an anionic alkyl sulfate-based detergent and an alkylbenzene sulfonate detergent together with particulate polishing abrasive.  
WO/2017/098242A1
A composite machining tool comprising a tool body (101) with at least one cutting edge (102) and at least one grinding region (103). The grinding region is located adjacent to the cutting edge such that there is a gap (110) between the g...  
WO/2017/084211A1
Disclosed are a self-sharpening polishing device in a dynamic magnetic field for a magnetorheological flexible polishing pad and a polishing method therefor. The device comprises a polishing disk revolution mechanism and a synchronous ro...  
WO/2017/066420A1
Various examples are provided for polishing techniques for flexible tubular workpieces. In one example, a method includes supporting a tubular workpiece on a rod that extends axially through it; positioning a turning wheel against an ext...  
WO/2017/060655A1
The invention relates to a method for generating settings for machining an optical lens (L1). According to the invention, this method includes steps consisting in: a) acquiring a file characterising the shape (F1) to which the optical le...  
WO/2017/058769A1
A method and apparatus for evaluating performance of a bonded abrasive article during a cutoff grinding operation including an abrasive assembly holding a bonded abrasive article, a workpiece assembly holding a workpiece and a measuring ...  
WO/2017/030841A1
A method for decontaminating support surfaces of a wafer chuck entails lightly passing a treatment tool having a nominally flat contacting surface over the regions of the chuck where contaminants are to be removed. The treatment tool and...  
WO/2017/030874A1
A machine featuring a treatment tool that grinds a surface to a desired profile, imparts a desired roughness to that surface, and removes contamination from the surface, the machine configured to control multiple independent input variab...  
WO/2017/030710A1
A slurry composition for use in chemical-mechanical polishing sapphire substrates and includes an alkaline pH adjuster and an accelerant.  
WO/2017/030945A3
A method for treating a mold includes grinding an outer metal surface of a mold body of the mold with a first material; lapping the outer metal surface after the grinding with a second material that is finer than the first material; and ...  
WO/2017/028824A1
A magnetic field generation apparatus (6) of a magnetorheological finishing device, said apparatus comprising at least one electromagnetic pole set capable of producing a gradient magnetic field and consisting of two electromagnetic pole...  
WO/2017/030945A2
A method for treating a mold includes grinding an outer metal surface of a mold body of the mold with a first material; lapping the outer metal surface after the grinding with a second material that is finer than the first material; and ...  
WO2017011115A1
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 one of a...  
WO/2017/006447A1
The purpose of the present invention is to provide a wafer having a step, said wafer making it possible not to leave a resist after development, and to provide a method for manufacturing the wafer. This wafer having a step is a wafer tha...  
WO/2017/005917A1
The invention relates to a device for generating an ultrasonic oscillation in a tool (90) used for ultrasonically machining a workpiece and measuring ultrasonic oscillation parameters on the tool (90), said device comprising a tool holde...  
WO/2016/204248A1
Provided are abrasive grains and an abrasive slurry that make it possible to achieve both higher polishing speed and surface smoothness on hard, brittle materials such as sapphires. Abrasive grains to be used to polish hard, brittle mate...  
WO/2016/195658A1
Magnetic apparatuses and systems for shaping parts are described. One or more magnets can be used to direct a magnetically responsive fluid having magnetically responsive particles around surfaces of a part. The magnetically responsive f...  
WO/2016/158102A1
Provided is a structural body production method that is provided with: a formation step wherein a resin material is impregnated with carbon fibers and a carbon fiber composite material (10) is formed by curing the resin material; a polis...  
WO/2016/142473A1
The present invention relates to a method for a defined surface treatment of a first carbon coating (1) applied to a surface of a component (2). The first carbon coating (1) is hereby brought into contact with at least one second carbon ...  
WO/2016/123831A1
A grinding machine accuracy circular ascending method on the basis of a hydrostatic pressure spindle part comprises the following steps: S1, using the hydrostatic pressure spindle part as a spindle part of a grinding machine and detectin...  
WO/2016/120274A1
The invention relates to a spindle arrangement for a machine tool, comprising a spindle (2) for driving a tool (6) and at least one actuator (20) for exciting vibration of the tool (6), characterized in that the spindle arrangement (2) i...  
WO/2016/110707A1
A method of machining a workpiece using a machine tool, the machine tool comprising a tool mount carrying a tool, a workpiece mount carrying a workpiece, a drive mechanism for moving at least one of the tool mount and the workpiece mount...  
WO/2016/108284A1
[Purpose] To make a device compact while realizing precise planarizing, and to prevent the risk of breakage in a workpiece during working. [Solution] The prevent invention is provided with a holder (8), a driving motor (101), a supportin...  
WO/2016/091248A1
The invention relates to a method for finishing workpiece surfaces with a tool which is moved in relation to the workpiece surface and has a multiplicity of geometrically undefined cutting edges. In particular, the invention relates to a...  
WO/2016/091504A1
The invention relates to a method for determining a load limit of a grinding process to be set up, wherein the load limit represents a maximum possible grinding load, at which there is just about no thermal damage to the microstructure o...  
WO/2016/072370A1
Provided is a method for polishing a material that has a Vickers hardness of 1,500 Hv or more. This polishing method comprises: a step for performing preliminary polishing with use of a composition for preliminary polishing, which contai...  
WO/2016/038980A1
This silicon carbide single crystal substrate (1) is provided with a first main surface (1a), a second main surface (1b) and a peripheral portion (3). The second main surface (1b) is on the reverse side of the first main surface (1a). Th...  
WO/2016/024882A1
The invention relates to a method for processing rubbing surfaces of sapphire components. The invention can be used in producing components of plunger-and-barrel assemblies, and also as component parts of pumping and/or dosing devices (p...  
WO/2016/012720A1
The invention relates to a machine for acquiring images (1) comprising:- a support (10) for optical lens, - on one side of the support, a light source (20), - on the other side of the support, an image sensor (30) suitable for capturing ...  

Matches 1 - 50 out of 4,649