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7627390 Method and apparatus for the free-form optimization of bevel and hypoid gears  
Method for the optimization of the surface geometry or of a variable, dependent on this, or variables, dependent on this, of bevel or hypoid gears for their production on a free-form machine which...
7627389 Method and apparatus for the free-form optimization of bevel and hypoid gears  
Method for the optimization of the surface geometry or of a variable, dependent on this, or variables, dependent on this, of bevel or hypoid gears for their production on a free-form machine which...
7557904 Wafer holding mechanism  
A wafer holding mechanism for holding a wafer affixed to a frame with a tape utilizing a suction force. The wafer holding mechanism includes a suction body, a wafer holder with a holding surface...
7552630 Load wheel drive  
A method of positioning a load wheel in a tire uniformity machine to load a tire for testing, the method comprising providing a drive assembly including a drive motor and a drive controller,...
7497761 Tool for automatically assembling-disassembling a tire to/from a wheel rim  
The present invention relates to a tire assembling-disassembling tool for use in a tire assembling-disassembling machine arranged to rotatable support a tired wheel or wheel rim, said tool being...
7465214 Substrate holding apparatus and polishing apparatus  
A substrate holding apparatus holds a substrate such as a semiconductor and presses the substrate against a polishing surface. The substrate holding apparatus includes a top ring body ( 2 ) for...
7448261 Method and apparatus for testing rubber tires or solid rubber wheel laboratory samples  
An eraser having the capability of absorbing oil or wax as a formulation of more than 50% styrene butadiene rubber (SBR). The eraser is particularly well suited for use in testing tires having oil...
7434454 Method and apparatus for tire uniformity measurement  
There is provided a method and a apparatus for measuring tire uniformity. The apparatus comprises a spindle, a rotating drum, a sensor and a computing means. The method comprises the steps of...
7367865 Methods for making wafers with low-defect surfaces, wafers obtained thereby and electronic components made from the wafers  
The electronic semiconductor component has a crystalline wafer substrate with an active surface and a semiconductor layer coating the active surface. So that the semiconductor layer has a few...
7357695 Systems and methods for mechanical and/or chemical-mechanical polishing of microfeature workpieces  
Systems and methods for polishing microfeature workpieces. In one embodiment, a method includes determining a status of a characteristic of a microfeature workpiece and moving a carrier head and/or...
7329168 Extended Kalman filter incorporating offline metrology  
An algorithm uses offline metrology to control a process by passing information from an outer control loop to an inner control loop, extended Kalman filter estimator. The inner control loop...
7287316 Lapping monitor device, system and method  
A lapping monitor element that is juxtaposed with a magnetic transducer element having a magnetoresistance effect film to determine the lapping position upon lapping the element height of the...
7206172 Electrical lapping guide embedded in a shield of a magnetic head  
An electrical lapping guide (ELG) incorporated into a shield of a magnetic head for measuring lapping process during construction of the magnetic head.
7182882 Method of improving chemical mechanical polish endpoint signals by use of chemical additives  
A method for buffering a chemical mechanical polish chemical slurry is disclosed. Buffering the slurry reduces buildup of local acidic areas at the interface between the polished metal and the...
7131891 Systems and methods for mechanical and/or chemical-mechanical polishing of microfeature workpieces  
Systems and methods for polishing microfeature workpieces. In one embodiment, a method includes determining a status of a characteristic of a microfeature workpiece and moving a carrier head and/or...
7101251 Polishing system with in-line and in-situ metrology  
A computer program product for process control in chemical mechanical polishing is described. The product includes instructions to cause a processor to receive a measurement of an initial...
7055379 Method and apparatus for checking the uniformity of a pneumatic tire  
In a method and apparatus for checking the uniformity of a pneumatic tire of a vehicle wheel, first and second unbalance measuring operations are performed to determine unbalance vectors of the...
7016799 Apparatus and method for checking the machining process of a machine tool  
An apparatus and a method are provided for checking a machining process of a machine tool, for example a grinding machine, to obtain information about the quantity of a material removed and the...
6971944 Method and control system for improving CMP process by detecting and reacting to harmonic oscillation  
A method and control system for detecting harmonic oscillation in a chemical mechanical polishing process and reacting thereto, such as by taking steps to at least one of: 1) reduce or eliminate...
6951624 Method and apparatus of arrayed sensors for metrological control  
A system for processing a wafer is provided. The system includes a chemical mechanical planarization (CMP) tool. The CMP tool includes a wafer carrier defined within a housing. A carrier film is...
6921317 Automated lapping system  
An automated lapping system is provided for lapping a work product using a robot. Because the robot can apply continuous consistent pressure that far exceeds the capabilities of a human operator,...
6752573 Machining center  
The invention relates to a machining center provided with a workpiece machining tool. Said machine tool comprises: an essentially horizontal working plate ( 10 ) which is supported by a machine...
6736696 Method of improving uniformity control on wafers during chemical mechanical polishing  
A method of improving uniformity control in chemical mechanical polishing (CMP). A CMP apparatus is provided with at least a platen, a polishing pad disposed on the platen and at least a polishing...
6712668 System and method for electropolishing nonuniform pipes  
A pipe electropolishing system ( 10, 10 a ) for in place polishing of a pipe ( 28 ) has provision for detecting the instant position of a cathode ( 14 ) within the pipe ( 28 ) such as cable marks (...
6682628 Methods and apparatuses for monitoring and controlling mechanical or chemical-mechanical planarization of microelectronic substrate assemblies  
Methods and apparatuses for mechanical and/or chemical-mechanical planarization of semiconductor wafers, field emission displays and other microelectronic substrate assemblies. One method of...
6638138 Arrangement of grinding modules with grinding tools in track grinders  
An arrangement of grinding modules in a track grinder wherein a radial mismatch in narrow track bend radii can be considered in an exact manner without occurrence of constraining forces, enabling...
6609948 Method of making an electronic lapping guide (ELG) for lapping a read sensor  
An electronic lapping guide (ELG) and method of making are provided for precisely lapping a read sensor to a designed air bearing surface (ABS). In the method a sensor material layer is formed on a...
6568988 Chemical mechanical polishing apparatus with stable signals  
A chemical mechanical polishing apparatus has a plurality of electric machines for executing mechanical polishing motions, at least two control systems for controlling the mechanical polishing...
6405146 Method of adaptive warm-up of force variation machine  
The invention relates to a warm-up cycle for each tire being tested on a force variation machine to stabilize the measurement parameters and optimize the warm-up cycle. The method for cycling each...
6330488 Method for controlling machining process of workpiece  
A method for controlling a machining process of a workpiece includes a step of measuring amounts of machining of the workpiece by a plurality of sensors located at different positions on the...
6170149 Magnetoresistive type magnetic head and method of manufacturing the same and apparatus for polishing the same  
According to a method of manufacturing a magnetic head, a magnetoresistive device is formed on a substrate, a top end portion of the magnetoresistive device is placed in an external magnetic field,...
6155909 Controlled cleavage system using pressurized fluid  
A technique for forming a film of material (12) from a donor substrate (10). The technique has a step of introducing energetic particles (22) in a selected manner through a surface of a donor...
6050878 Processing jig  
A processing jig is provided for deforming an object to be processed that is long in one direction into a complicated shape and processing the object with accuracy. The jig comprises: a main body...
6027397 Dual element lapping guide system  
A dual element electrical lapping guide system is disclosed for a row of multi-layer dual element magnetoresistive and inductive magnetic transducers formed on a substrate, which will be used to...
5991698 Electrical lap guide data acquisition unit and measurement scheme  
A lapping system data acquisition unit is disclosed for use in measuring resistances of multiple resistors embedded in a structure to be machined. Each of multiple independent current sources...
5948204 Wafer carrier ring method and apparatus for chemical-mechanical planarization  
The present invention discloses an improvement on a wafer carrier ring for use in a chemical-mechanical polishing apparatus for uniformly polishing semiconductor wafers. The apparatus comprises of...
5947799 Automatic lapping control  
Method for identifying, monitoring, and controlling the blank frequencies in each separate carrier of a planetary lap machine, based on measuring blank frequency signals via an electrode imbedded...
5816890 Electrical lap guide wiring configuration  
An electrical lap guide (ELG) system and method are disclosed for use in lapping a bar 10 of magnetic transducer carrying sliders to a desired transducer height. A first ELG ELG1 contained within...
5755612 Small foot machining guide for recording heads  
An electrical lap guide (ELG) for use in lapping a bar of magnetic transducer carrying sliders to a desired height is disclosed. A first lapped or analog ELG element is positioned in a first dice...
5738566 Lapping guide system, method and article of manufacture  
A lapping guide system, method and article of manufacture is disclosed. A method of fabricating a lapping guide for use in conjunction with the machining of a magnetic recording transducer includes...
5688159 Method of and apparatus for automatically polishing a mother blank of sheet copper  
A device for automatically polishing a mother blank of sheet copper has a starting sheet auto-stripping line including a delivery device for carrying in mother blanks of sheet copper, a stripping...
5683287 Process and device for deburring and chamfering edges of openings extending through a plate maintaining a bundle of tubes  
At least one brush rotatable about an axis parallel to the plate (1) and to a plane containing a row of bearing surfaces (4) of openings (2) of the plate (1), is moved along a rectilinear path (5a,...
5660579 Method and apparatus for forming a grinding wheel  
The metal bond wheel forming apparatus includes rotation speed control means 11 for controlling the rotation speed of a grinding wheel 6; energy control means 9 for controlling discharge energy...
5649849 Method and apparatus for realtime monitoring and feedback control of the shape of a continuous planetary polishing surface  
A method for interferometrically determining error continuously in the radius of curvature of a planetary polishing surface and for providing compensating correction of the surface shape while the...
5641321 Elongated cutting tool for wood working and apparatus for and method of grinding the same  
The invention provides a novel cutting tool used in wood working, which has a sufficiently thick cutting edge allowing stable cutting of a veneer from a log as well as an apparatus for and a method...
5616063 Polishing apparatus  
A polishing apparatus is a cluster type of apparatus having a plurality of units which perform various operations. The polishing apparatus includes a universal transfer robot having at least one...
5613894 Method to hone curved and shaped profiles and honing machine to carry out such method  
Method to hone curved and shaped profiles which belong to furniture elements, which are advantageously of furniture of an antique style, such as surfaces of tables, mouldings of furniture or...
5580298 Method of producing tooth flank surface modifications  
A method of producing flank surface modifications in gear teeth by controlled removal of stock material from a work gear with a tool. The method comprises providing a gear producing machine the...
5562524 Polishing apparatus  
Apparatus for polishing a side of a thin, flat wafer of a semiconductor material includes first and second polishing heads which each hold a wafer against a wetted polishing surface and which each...
5562523 Method and apparatus for grinding a workpiece  
In a grinding method wherein a rotating workpiece and a rotating grinding wheel are relatively moved toward and away from each other and wherein at least three of rough, fine and finish grinding...
Matches 1 - 50 out of 284 1 2 3 4 5 6 >