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7125477 |
Contacts for electrochemical processing
Systems and methods for electrochemically processing. A contact element defines a substrate contact surface positionable in contact a substrate during processing. In one embodiment, the contact...
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7074111 |
Surface preparation device and method
To prepare a surface with a surface preparation device, an apparatus including a mount, a platform, and a suspension system is utilized. The mount supports and positions the surface preparation...
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6976906 |
Apparatus for reducing compressed dry air usage during chemical mechanical planarization
A chemical mechanical planarization (CMP) system is provided. The system includes a polishing surface and a platen disposed along an underside of the polishing surface. A retaining ring surrounds...
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6974362 |
System and method for automatically compensating for unbalanced resistance forces
A balancing method and apparatus is used for dynamically balancing an out of balance condition in a rotating body caused by resistance forces acting tangentially to the body. A device having a...
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6964599 |
Method and apparatus for holding or mounting an object
Disclosed herein is a holding device, which includes a volumetrically controllable material and a volume controller in operable communication with that material. The volume controller is configured...
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6949009 |
Rotating kiln tire refinishing machine
A kiln tire grinder for grinding an out-of-round kiln tire comprising a grinding belt head assembly having a rotatable grinding belt and an x-y positioning table for positioning the rotating...
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6926589 |
Chemical mechanical polishing apparatus and methods using a flexible pad and variable fluid flow for variable polishing
The present invention relates to methods and apparatus that allow for chemical mechanical polishing using a flexible pad and variable fluid flow for variable polishing.
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6905394 |
Apparatus and method for polishing row bars
An apparatus and a method for polishing a row bar including magnetic head sliders. A lapping surface plate is rotatable, and a housing is movable above the lapping surface plate. A jig is secured...
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6852002 |
Apparatus and methods for Z-axis control and collision detection and recovery for waterjet cutting systems
This invention relates to apparatus and methods for z-axis control and collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a...
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6712670 |
Method and apparatus for applying downward force on wafer during CMP
An apparatus for applying a wafer to a polishing belt during a CMP operation includes a spindle having an upper end and a lower end. A wafer carrier is coupled to the lower end of the spindle. A...
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6709315 |
Auto feed system for compressed propellant tools and pressure compensating valve therefore
An automatic feed system 10 is provided for advancing a hydraulically powered work head into a workpiece being cut. A hydraulic fluid powered work head motor 40 drives a diamond drill cutting...
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6685536 |
Method for grinding convex running faces and outside diameters on shaft-like workpieces in one set-up and grinding machine for carrying out the method
The invention relates to a method for grinding convex running surfaces and exact outside diameters on undulated workpieces. In a clamping, a first convex running surface is ground on a discoid...
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6669533 |
Rail profile grinding machine
The grinding machine comprises a grinding head with a rotary abrasive tool, carried by a chassis equipped, at its ends, with rollers for running and guiding on the rail that is to be ground. A...
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6656024 |
Method and apparatus for reducing compressed dry air usage during chemical mechanical planarization
A retaining ring is provided. The retaining ring includes a lower annular sleeve having a base. The base has an inner sidewall and an outer sidewall extending therefrom. The lower annular sleeve...
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6648731 |
Polishing pad conditioning apparatus in chemical mechanical polishing apparatus
A polishing pad conditioning apparatus in a chemical mechanical polishing apparatus, wherein the conditioning apparatus includes a conditioning plate which maintains a predetermined relative...
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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...
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6612904 |
Field controlled polishing apparatus
A polishing tool includes a polish pad, a bladder, a fluid, and a flux guide. A bladder containing fluid supports the polishing pad that is positioned adjacent to a surface to be polished. Flux...
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6607426 |
Polishing apparatus
A dresser unit including a dresser 20 and a driving shaft 21 for rotationally driving the dresser 20 is operatively mounted to a dresser supporting mechanism so that the dresser unit can be...
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6572446 |
Chemical mechanical polishing pad conditioning element with discrete points and compliant membrane
A pad conditioning assembly includes a conditioner head with an end effector movable into contact with a polishing pad,a plurality of downwardly-projecting movable conditioning elements disposed at...
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6540586 |
Apparatus and methods for collision detection and recovery for waterjet cutting systems
This invention relates to apparatus and methods for collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a first mount member...
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6533640 |
Ultra high pressure abrasive waterjet cutting apparatus
An ultra high pressure abrasive waterjet cutting apparatus for cutting nuclear reactor structural components is described. The cutting apparatus includes an ultra high pressure abrasive waterjet...
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6390888 |
Grinder pressing device
A grinder pressing device, wherein either the bottom part of a cylinder main body ( 10 ) of an air cylinder ( 1 ) in a vertical posture or a piston rod ( 11 ) is fixed to a fixed plate ( 2 ) and...
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6375542 |
Hydrostatic spindle unit with automatic self centering of the workpiece
The present invention relates to an improved spindle unit. The spindle unit includes a body, an external shaft placed into the body and rotating on bearings relative to the body, and an internal...
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RE37622 |
Wafer polishing method and apparatus
A wafer polishing apparatus includes a wafer polishing assembly having a plurality of wafer carriers for substantially simultaneously polishing a plurality of wafers against a rotating polishing...
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6358118 |
Field controlled polishing apparatus and method
A polishing tool includes a polish pad, a bladder, a fluid, and a flux guide. A bladder containing fluid supports the polishing pad that is positioned adjacent to a surface to be polished. Flux...
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6358114 |
Method and apparatus for optical polishing
A lapping tool for localized optical polishing of a workpiece, the tool having a flexible working surface and being characterized by means for selectively varying the pressure applied, in use, on...
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6264534 |
Method and tooling for automated wet or dry sanding of a vehicle surface
An automotive vehicle body can be sanded with a robotic sanding (polishing) disk that is carried on a robotic head, such that the sanding disk has a relatively constant unit pressure on the vehicle...
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6241578 |
Carrier device in polishing apparatus and method for controlling carrier device
A carrier device is adapted for use in a polishing apparatus with a turntable having a polishing surface. The carrier device includes a carrier for carrying an article to be polished and a control...
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6220931 |
Feeding a grinding wheel in grinding method
A spindle 23 of a grinding wheel 28 is rotatively borne by a bench 22 for the grinding wheel through hydrostatic thrust bearings 26 and 27. A pressure regulator 38 for regulating the pressure which...
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6213850 |
Method and apparatus for producing a raw edge belt
A method and apparatus is provided for producing raw edge belts. Plural square-cut ring-shaped belts are suspended across a main spindle roller and a tension roller, and while the belts are made to...
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6203401 |
Device for superfinishing treated surfaces
A device for superfinishing of ground surfaces of workpieces has a finishing block, which can be displaced by means of a drive device in a plane which is orthogonal with respect to the surface to...
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6196897 |
Automatic lapping method and a lapping apparatus using the same
The present invention relates to an automatic lapping method for lapping a work piece and a lapping apparatus using the same. The lapping apparatus laps a work piece by moving the mounting base 103...
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6159071 |
Semiconductor wafer grinding apparatus
Disclosed is an improved semiconductor wafer grinding apparatus comprising at least wafer holding means and wafer grinding means. The wafer holding means comprises a holder having a wafer-gripping...
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6152804 |
Grinding method and grinding apparatus
A work W is rotated on a lower grinding wheel 13 provided on a work support base 11. Both surfaces of the work W are simultaneously subjected to grinding process by an upper grinding wheel 24...
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6146241 |
Apparatus for uniform chemical mechanical polishing by intermittent lifting and reversible rotation
Methods and apparatuses for evenly polishing the entire polishing surface of a sample are described. One polishing apparatus of the present invention comprises: a platen having an upper surface...
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6086452 |
Method of high speed centrifugal run-out grinding of a pneumatic tire
A method for correcting the radial run-out and radial force variation of a pneumatic tire (12) with a tire uniformity machine (10). The tire is rotated at a high speed and radial run-out is...
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5961379 |
Tool grinding machine
A tool grinding machine which can grind the cutting edge of a punch without disassembling the punch body from the punch assembly and further can grind the cutting edge of the upper surface shoulder...
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5916009 |
Apparatus for applying an urging force to a wafer
A wafer pressurizing apparatus capable of improving the polishing accuracy of a wafer while excluding influences on a pressure sensor of a rotational force and a horizontal force created during a...
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5906535 |
Ball polishing method and apparatus, and annular groove forming method
A ball polishing method includes the steps of rotating one of two plates through use of a rotating mechanism while balls are sandwiched between the plates, pressing one of the two plates against...
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5803794 |
Combined grinding machine for providing an internal spline
The combined grinding machine for internal spline includes three grinding heads for processing a bore of internal spline parts. The machine clamps a workpiece and at the same time can finish grind...
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5679054 |
Apparatus for grinding the screen panel of a cathode ray tube
Disclosed is an apparatus for grinding the screen panel of a CRT. A jig pallet for holding the screen panel of a CRT is fixedly supported by a jig pallet support plate by means of a pivoting...
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5558558 |
Apparatus for retracting a tool slide of an ultrasonic cutting machine
A carriage 3 is movable in a feed direction A on guideways 1, and carries an ultrasonic machining device 4, 5 loaded with an adjustable force in the feed direction by a first fluid cylinder 7. A...
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5556322 |
Pneumatic mechanism for the application of uniform pressure to a mechanically adjustable spindle
A pneumatic mechanism for the application of uniform pressure to a mechanically adjustable spindle. The mechanism includes a support shelf with a double-acting piston attached at its non-pressure...
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5540613 |
Cutter apparatus
A cutter robot used to operate in a horizontal pipe having a horizontally extending main body, a stand gear to support the main body aloft, and a head bearing a rotary grinder assembly, and this...
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5525092 |
Device for preventing idle rotation in cylindrical ingot grinder
When a cylindrical single crystal ingot terminating in generally conical parts at the opposite ends thereof is machined with a cylindrical grinder which is adapted to support the ingot in place by...
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5509847 |
Control robot
Disclosed is a control robot having a machining tool comprising a rotatable tool for grinding at the distal end of the robot arm thereof so as to carry out grinding work with pressing the machining...
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5509848 |
Method of and apparatus for polishing painted surfaces
A method and apparatus for polishing a paint coated surface, in which a polishing tool is held perpendicularly to the surface, are used to apply a predetermined polishing pressure to the surface...
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5505653 |
Abrasive/water jet cutting apparatus
An abrasive/water jet cutting apparatus has a frame, a carriage movably supported for movement over a work table on the frame, and a water jet cutting head on the carriage. A main storage container...
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5482495 |
Apparatus for polishing a spherical surface
An apparatus for polishing spherical surfaces of workpieces includes a polishing device rotating on a shaft thereof while holding a polishing tool at an end of the shaft. A pivoting device pivots...
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5443411 |
Device for machining and facing resilient materials
A grinding device is provided for machining and facing workpieces made of resilient or semi-resilient materials. Said device comprises means (31) for holding the workpiece being processed after the...
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