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Class 451/36 - Utilizing fluent abradant


Subclass of Class 451 - Abrading
Definition: Method utilizing an unbonded particulate mass through or
No. of patents: 932
Last issue date: 05/01/2012


          11            
NumberTitleIssue Date
6817926Polishing pad and method of use thereof
A method of chemically modifying a wafer suited for fabrication of semiconductor devices includes a) contacting a surface of wafer with an article that includes a plurality of unit cells repeating across the surface of the article, the individual unit cells includin...
11/16/2004
6817925Multistage fine hole machining method and device
A multistage fine-hole machining device has lap stations for lapping an inner surface defining a through-hole of a workpiece. Each of the lap stations has a passing unit for passing wire through the through-hole of the workpiece, a supply unit for supplying a polish...
11/16/2004
6811468Polishing apparatus
A polishing apparatus and a polishing method which can reduce the amount of consumption of the polishing agent and scratches caused on the object to be polished due to an increase of the particle size in the polishing agent. The polishing apparatus has a polishing h...
11/02/2004
6800556Polishing method using ceria slurry, and method of manufacturing semiconductor device
Polishing processes are separated into a plurality of phases; that is, an early polishing phase, a planarization phase, and a post-planarization phase. Polishing is effected by means of changing polishing requirements from phase to phase. Since polishing is effected...
10/05/2004
6800019Abrasive cloth and polishing method
An abrasive ground fabric which is a composite ground fabric comprising a fiber substrate and a elastic polymer filled in the fiber substrate, wherein (1) the fiber substrate is composed of bundles, each consisting of 20 to 3,000 fine fibers, and (2) the average dia...
10/05/2004
6796883Controlled lubricated finishing
A method of using a finishing element and using organic lubricating films for finishing semiconductor wafers is described. The lubricants in the finishing element can be transferred to operative finishing interface and can form a self-assembling lubricating film. Th...
09/28/2004
6783432Additives for pressure sensitive polishing compositions
A method and composition for planarizing a substrate. The composition includes a pressure sensitive solution and one or more chemical agents for complexing with a metal or oxidized metal. The method for removal of a copper containing layer from a substrate surface, ...
08/31/2004
6783429Apparatus and method for sampling a chemical-mechanical polishing slurry
An apparatus and method for drawing a sample of a chemical-mechanical polishing slurry for analysis of at least one property, e.g., particle size distribution, is described. The apparatus comprises (i) a plurality of sample delivery lines, each line carrying a chemi...
08/31/2004
6780212Surface finishing composition
A finishing composition for a variety of surfaces, including, without limitation, paints, metals, plastics and fiberglass, comprises water, wax, soap, scent, hair conditioner, mineral spirits and abrasives. ...
08/24/2004
6780089Method and apparatus for removing a predetermined amount of material from a bottom portion of a dovetail slot in gas turbine engine disk
A system and method of removing a predetermined amount of material from a bottom portion of a dovetail slot in a gas turbine engine disk, including the steps of configuring a designated flow path through the dovetail slot and providing a flow of abrasive media throu...
08/24/2004
6780088Chemical mechanical polishing apparatus and a method of chemical mechanical polishing using the same
Provided are a chemical mechanical polishing apparatus and a method of chemical mechanical polishing using the same in which the clogs of the polishing fluid are prevented from being trapped between the diamond grains embedded in the dresser or removing such clogs a...
08/24/2004
6776696Continuous chemical mechanical polishing process for polishing multiple conductive and non-conductive layers on semiconductor wafers
A continuous CMP process for polishing multiple conductive and non-conductive layers on a semiconductor substrate. The continuous process comprises the steps of: (a) disposing a substrate on a platen; (b) polishing a first layer using both a mechanical means and a c...
08/17/2004
6776693Method and apparatus for face-up substrate polishing
A method and apparatus are provided for polishing a substrate surface. In one aspect, an apparatus for polishing a substrate includes a basin and a polishing head. A carrier is disposed in the basin and has a substrate supporting surface. A retaining ring is dispose...
08/17/2004
6776691Polishing/cleaning method as well as method of making a wiring section using a polishing apparatus
A polishing apparatus that can effectively and efficiently remove potassium and other alkaline metals comprises integrally a polishing unit for polishing an object by means of a polishing agent and a cleaning unit for cleaning the polished object. The polishing unit...
08/17/2004
6769969Raised island abrasive, method of use and lapping apparatus
Abrasive sheet materials, abrasive sheet materials with island distributions of abrasive particles, processes for manufacture of abrasive sheet materials with minimized abrasive content (with monolayers and as few as four layers of abrasive particles), processes for...
08/03/2004
6769961Chemical mechanical planarization (CMP) apparatus
A chemical mechanical planarization (CMP) apparatus includes a bath of an aqueous solution. A first holder, which is configured to support a wafer, is disposed within the bath. A first spindle is configured to rotate the first holder. A second holder, which is rotat...
08/03/2004
6769960System for manufacturing a semiconductor device, polishing slurry feeder and method for manufacturing a semiconductor device
An apparatus for manufacturing a semiconductor device by polishing the surface of a semiconductor substrate is provided, which comprises a polishing pad for polishing the substrate surface, a polishing slurry feed apparatus for feeding a polishing slurry to the subs...
08/03/2004
6769959Method and system for slurry usage reduction in chemical mechanical polishing
A method and system is disclosed for reducing slurry usage in a chemical mechanical polishing operation utilizing at least one polishing pad thereof. Slurry can be intermittently supplied to a chemical mechanical polishing device. The slurry is generally flushed so ...
08/03/2004
6764386Air bearing-sealed micro-processing chamber
Apparatus for processing a surface of a substrate includes a chamber containing a cavity that has one side that is open, the chamber wall including a lip surrounding the open side of the cavity. Gas ports, disposed within the chamber wall and opening through the lip...
07/20/2004
6764384System for the precision machining of rotationally symmetrical components
An arrangement and method for precision machining of rotationally symmetrical, disk or ring-shaped components. The arrangement includes a container which is open at the top and mounted such that it is able to vibrate. An unbalanced rotor causes the container to vibr...
07/20/2004
6755721Chemical mechanical polishing of nickel phosphorous alloys
CMP formulations for use on nickel/phosphorus alloys comprising abrasive particles and an oxidant, a modifier for the action of the oxidant and first and second accelerants to sequester removed materials containing phosphonate and ammonium or amine groups respective...
06/29/2004
6752697Apparatus and method for chemical mechanical polishing of a substrate
The present invention is directed to a method and apparatus for performing polishing operations on substrates in an integrated circuit manufacturing environment. In one embodiment, the apparatus is comprised of a movable polishing platen, a polishing pad positioned ...
06/22/2004
6752685Adaptive nozzle system for high-energy abrasive stream cutting
A system is provided for delivering onto a workpiece a high-energy abrasive cutting stream. The system generally comprises a head assembly for providing a pressurized fluidic stream; a nozzling unit coupled to the head assembly for nozzling the pressurized fluidic s...
06/22/2004
6749488Chemical mechanical polishing slurry composition for polishing conductive and non-conductive layers on semiconductor wafers
The invention relates to a novel CMP slurry composition used for polishing metals, the composition comprising: (a) a dispersion solution comprising an abrasive; and (b) an oxidizer. The slurry composition has a large particle count of less than about 150,000 particl...
06/15/2004
6746314Nitride CMP slurry having selectivity to nitride
A nitride CMP slurry having selectivity to nitride over oxide. The slurry increases the polishing speed of a nitride film by varying the pH of the slurry, and polishes the nitride film faster than an oxide film by decreasing the polishing speed of the oxide film. As...
06/08/2004
6746310Uniform thin films produced by magnetorheological finishing
An improved method for producing a thin layer having highly uniform thickness, which layer may be pre-coated on an undulating surface of a substrate element. A working layer of the material is formed having a thickness greater than the final thickness desired. An ar...
06/08/2004
6739953Mechanical stress free processing method
According to one embodiment, a method of planarizing of a surface of a semiconductor substrate is provided. A copper layer is inlaid in a dielectric layer of the substrate. The semiconductor substrate is disposed opposite to a polishing pad and relative movement pro...
05/25/2004
6739950Pipe renovating system and method
A pipe renovating method and system is described, in which a pipe is first cleaned and then coated with a suitable coating material. In the cleaning step, pressurized air and particles of abrasive material are pumped into a first end of a pipe while suction is appli...
05/25/2004
6736952Method and apparatus for electrochemical planarization of a workpiece
An electrochemical planarization apparatus for planarizing a metallized surface on a workpiece includes a polishing pad and a platen. The platen is formed of conductive material, is disposed proximate to the polishing pad and is configured to have a negative charge ...
05/18/2004
6736706Device for defining a designated flow path through a dovetail slot in a gas turbine engine disk
A device for defining a designated flow path through a dovetail slot in a gas turbine engine disk, wherein a longitudinal axis extends through the dovetail slot. The device includes a first portion having a bottom section contoured to form the flow path in conjuncti...
05/18/2004
6736705Polishing process for glass or ceramic disks used in disk drive data storage devices
Disk substrates are polished in a process which uses a single load of the disks to a polishing apparatus and a single polishing slurry. Preferably, the process varies at least one polishing parameter at multiple stages to achieve both a reasonable rate of removal du...
05/18/2004
6736701Eliminate broken line damage of copper after CMP
A new method is provided for the post-deposition treatment of copper lines. A damascene copper line pattern whereby a TaN barrier layer and a seed layer have been provided is polished. Under the first embodiment of the invention, the deposited copper is polished (Cu...
05/18/2004
6733368Method for lapping a wafer
An improved method for lapping the opposed major surfaces of a wafer is provided. In this regard, a multi-step lapping process is provided in which lapping continues while transitioning from a first slurry having larger abrasive particles to a second slurry having s...
05/11/2004
6729935Method and system for in-situ monitoring of mixing ratio of high selectivity slurry
A method and system for monitoring the quality of a slurry utilized in a chemical mechanical polishing operation. A slurry is generally delivered through a tubular path during a chemical mechanical polishing operation. A laser light is generally transmitted from a l...
05/04/2004
6726545Linear polishing for improving substrate uniformity
A linear polishing apparatus for polishing a semiconductor substrate including a novel polishing belt arrangement with at least two polishing belts forming a continuous loop. Each belt having an outside polishing surface and an inside smooth surface. The belts are s...
04/27/2004
6726534Preequilibrium polishing method and system
The invention provides a polishing system that comprises a liquid carrier, an alkali metal ion, hydroxide ions, and a polishing pad and/or an abrasive. The abrasive can be dispersed in the liquid carrier of the polishing system or bound to the polishing pad. The alk...
04/27/2004
6722956Working apparatus
A finishing grindstone member (20) is fixed to a spindle (10) by a bolt. In the spindle (10), there is formed a tool mounting portion (25) into which a rough grindstone member can be mounted. Into the tool mounting portion (25), th...
04/20/2004
6722951Method for lapping and a lapping apparatus
A method for lapping which eliminates lapping damage includes a high-speed lapping operation at a high torque which is continuously performed after performing intermittently a low-speed lapping operation under low torque on a workpiece. Therefore, the excessive load...
04/20/2004
6722950Method and apparatus for electrodialytic chemical mechanical polishing and deposition
Embodiments of the invention include methods and apparatus for electrodialytic polishing of various layers formed on semiconductor substrates. In certain embodiments the use of electrodialytic processes in conjunction with chemical mechanical forces to achieve a cop...
04/20/2004
6722949Ventilated platen/polishing pad assembly for chemcial mechanical polishing and method of using
A ventilated platen/polishing pad assembly for chemical mechanical polishing copper conductors on a semiconductor wafer is disclosed. The ventilated platen is constructed by a platen having a multiplicity of apertures through a thickness of the platen, and a polishi...
04/20/2004
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