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6936083 |
Treated backing and method of making the same
A treated backing comprises a fabric and a composition that comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional...
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6890591 |
Polishing pads and planarizing machines for mechanical or chemical-mechanical planarization of microelectronic-device substrate assemblies, and methods for making and using such pads and machines
Polishing pads used in the manufacturing of microelectronic devices, and apparatuses and methods for making and using such polishing pads. In one aspect of the invention, a polishing pad for...
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6866692 |
Preformed abrasive articles and method for the manufacture of same
A non-woven abrasive article of interlaced fibers and abrasive particles and a binder which is preformed into a predetermined three dimensional shape and a method for manufacturing the same. The...
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6860912 |
Abrasive filament, abrasive articles incorporating abrasive filament and method of making abrasive filaments and abrasive articles
An abrasive filament, a cloth or non-woven made of the filament and an abrasive device, e.g., sanding disk, incorporating the fabric, cloth or non-woven and methods of producing the same are...
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6860959 |
Nonwoven abrasive material
An abrasive material comprises an integral mass of discrete lengths, not bonded to each other, of abrasive-coated non-woven synthetic fibres. In particular, the entanglement force between the said...
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6858292 |
Abrasive articles with resin control additives
The present invention is directed to abrasive articles comprising a resin transfer additive and methods of abrading a workpiece with the abrasive article. The resin control additive is a metal salt...
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6848986 |
Dual cured abrasive articles
The present invention is directed to a method of making a three-dimensional fixed abrasive article, and a three dimensional fixed abrasive made thereby. The method comprises providing an abrasive...
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6846232 |
Backing and abrasive product made with the backing and method of making and using the backing and abrasive product
The invention provides a backing for an abrasive article comprising a sheet-like polymeric substrate having a first major surface including a pattern of non-abrasive raised areas and depressed...
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6846340 |
Method of manufacturing segment-chip-type grinding wheel having large axial length
A method of manufacturing a grinding wheel which includes a cylindrical core body and a plurality of part-cylindrical abrasive segment chips bonded to an outer circumferential surface of the...
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6843815 |
Coated abrasive articles and method of abrading
A curable composition comprises epoxy resin preparable by reaction of epichlorohydrin with at least one of bisphenol A or bisphenol F, polyfunctional (meth)acrylate, dicyandiamide and...
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6838149 |
Abrasive article for the deposition and polishing of a conductive material
An abrasive article is described. The article is suitable for the deposition and mechanical polishing of a conductive material, and comprises: a polishing layer having a textured surface comprising...
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6835220 |
Anti-loading treatments
An abrasive is give a top coat layer consisting essentially of an inorganic, anti-loading agent selected from the group consisting of metal silicates, silicas, metal carbonates, and metal sulfates....
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6818029 |
Conditioner for polishing pad and method for manufacturing the same
A conditioner for polishing pad and a method for manufacturing the same are disclosed. The conditioner comprises a substrate having formed with a plurality of geometrical protrusions of an...
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6811579 |
Abrasive tools with precisely controlled abrasive array and method of fabrication
A method for fabricating an abrasive tool having a work surface commences by applying an electrically non-conductive layer the work surface of the abrasive tool. A pattern is etched in the work...
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6805722 |
Apparatus and method for forming a spiral wound abrasive article, and the resulting article
An apparatus and method for forming an endless spiral wound abrasive article and the resulting article. The apparatus includes first and second spaced-apart hubs, configured so that a portion of...
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6802877 |
Polyvinyl acetal composition roller brush with abrasive outer surface
A semiconductor polishing device having a substantially cylindrical roller body made of polyvinyl acetal with a uniform material porosity having a mean flow pore pressure ranging from about 0.30...
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6802878 |
Abrasive particles, abrasive articles, and methods of making and using the same
Sintered alpha alumina-based abrasive particles comprising alpha alumina, Gd 2 O 3 , and ZnO, and methods of making the same. The abrasive particles can be incorporated, for example, into a variety...
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6790126 |
Agglomerate abrasive grain and a method of making the same
Agglomerate abrasive grain is disclosed. The agglomerate abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, nonwoven abrasives, and abrasive...
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6786810 |
Abrasive article having a window system for polishing wafers, and methods
A process for planarizing, polishing, or providing other modification of a wafer surface or other workpiece. The process includes using an abrasive article having a textured abrasive coating...
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6783562 |
Nonwoven abrasive composite
A nonwoven composite cleaning pad is disclosed. The cleaning pad includes a first nonwoven layer having an absorbent surface. A second nonwoven layer is laminated to the first layer, and a...
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6783442 |
Nickel-diamond-coated saw wire with improved anchoring of the diamond particles
The invention relates to a saw wire consisting essentially of a steel wire, an intermediate layer and a metallic binding phase into which diamond grains with an average diameter of 10 to 50...
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6779951 |
Drill insert using a sandwiched polycrystalline diamond compact and method of making the same
A new drill insert product and the method of making the same are provided. This invention makes use of a multi-metal region bonded to the top (cutting) surface of a superabrasive layer to improve...
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6776868 |
Coated abrasive having laminate backing material and method of making the same
The invention provides coated abrasive products having as a backing material a barrier-coated tear-resistant laminate of fabric and paper overcoated on the barrier coating with an abrasive coating....
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6773475 |
Abrasive material having abrasive layer of three-dimensional structure
To provide an abrasive material which is excellent in loading resistance and durability, allows no attachments to attach to an abraded surface even when the end surface of the optical fiber is...
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6773474 |
Coated abrasive article
Coated abrasive articles comprise a backing and an abrasive layer, and optionally at least one of a backsize layer, tie layer, supersize layer, presize layer, or saturant. The coated abrasive...
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6761746 |
Sanding disc
A sanding disc particularly useful for smoothing drywall. The sanding disc includes a circular abrasive disc having an abrasive surface, and a circular foam disc smaller in diameter than the...
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6758727 |
Abrasive article and methods of manufacturing and use of same
The present invention provides an abrasive article formed of a binder, abrasive particles associated with the binder, and a lubricating particulate additive comprising polytetrafluoroethylene...
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6755878 |
Abrasive articles and methods of making and using the same
Abrasive articles have an adhesive layer in contact with a liner having protrusions that contact the adhesive layer.
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6749490 |
Portable numerically controlled water-jet driller
A portable numerically controlled (“N/C”) water-jet driller for drilling a hole through skin and substructure of structures, which includes an agile water-jet driller end effector and a...
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6749653 |
Abrasive particles containing sintered, polycrystalline zirconia
Abrasive particles and methods of making abrasive particles are disclosed. The abrasive particles may be incorporated into a variety of abrasive articles, including bonded abrasives, coated...
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6736869 |
Method for forming a planarizing pad for planarization of microelectronic substrates
A planarizing pad for planarizing a microelectronic substrate, and a method and apparatus for forming the planarizing pad. In one embodiment, planarizing pad material is mixed with compressed gas...
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6736905 |
Method of removing material from an interior surface using core/shell particles
This invention relates generally to methods for removing adherent materials, for example, residues, scale, contaminants, fouling, precipitates, and the like objectional materials from various...
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6722559 |
Apparatus and method for mitigating wear in downhole tools
Surfaces of a downhole tool, e.g. a drill bit, a reamer shoe or a stabilizer, are protected by at least temporarily fixing a super-hard material ( 6 ) to the surfaces of the down-hole tool, and...
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6706083 |
Fused—Al2O3-MgO-Y2O3 eutectic abrasive particles, abrasive articles, and methods of making and using the same
Fused abrasive particles comprising eutectic material comprising Al 2 O 3 —MgO—Y 2 O 3 eutectic. The fused abrasive particles can be incorporated into abrasive products such as coated...
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6702654 |
Conditioning wheel for conditioning a semiconductor wafer polishing pad and method of manufacture thereof
The present invention provides an improved conditioning wheel for conditioning polishing pads used to polish semiconductor wafers. In one embodiment, the conditioning wheel includes a planar body...
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6685756 |
Coated abrasives
A coated abrasive having an abrasive surface comprising a plurality of individual abrasive structures wherein the structures comprise a cured binder resin in an amount that is from 58 to 75% by...
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6682574 |
Binder for abrasive articles, abrasive articles including the same and method of making same
A binder for abrasive products, coated abrasive articles and a method of making the same comprising a urea formaldehyde resin precursor cured in the presence of a sole catalyst which consists...
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6673132 |
SiO2/Al2O3 composite abrasive and method for producing the same
An SiO 2 /Al 2 O 3 composite abrasive is disclosed, which has positive surface charges when dispersed in an alkaline water solution. This SiO 2 /Al 2 O 3 composite abrasive includes an Al 2 O 3 ...
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6669749 |
Fused abrasive particles, abrasive articles, and methods of making and using the same
Fused abrasive particles comprising eutectic colonies. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and...
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6669745 |
Abrasive article with optimally oriented abrasive particles and method of making the same
The invention provides abrasive articles with optimally oriented abrasive particles and a method of making the same. The method involves contacting a substrate with the contact and mating surfaces...
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6666753 |
Silver-coated abrasives, tools containing silver-coated abrasives, and applications of these tools
Flute grinding cemented carbide workpieces with a diamond containing resin bond grinding wheel is improved by restricting the diamond to comprise a silver-coated diamond; conducting the grinding in...
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6666750 |
Fused AL2O3-rare earth oxide-ZrO2 eutectic abrasive particles, abrasive articles, and methods of making and using the same
Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and...
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6663682 |
Article of superabrasive coated with metal
A process for metal coating diamond superabrasive particles involves heating the superabrasive particles in the presence of coat-forming powder of a metal compound under a common inert atmosphere....
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6632514 |
Coated cutting insert for milling and turning applications
A cutting tool insert particularly useful for wet and dry milling of low and medium alloyed steels and stainless steels includes a cemented carbide body with a coating consisting of an MTCVD...
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6620036 |
Stacked polishing pad having sealed edge
A stacked polishing pad includes an upper polishing layer and a lower sub-layer having major faces which are in contact with each other. The polishing layer is substantially impermeable to liquid...
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6613113 |
Abrasive product and method of making the same
The invention provides a flexible abrasive product comprising a flexible sheet-like substrate comprising a multiplicity of separated resilient bodies connected to each other in a generally planar...
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6612911 |
Alkali metal-containing polishing system and method
The invention provides a polishing system comprising (a) a liquid carrier, (b) an alkali metal ion, (c) a compound comprising an amine group and at least one polar moiety, wherein the polar moiety...
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6607570 |
Fused Al2O3-rare earth oxide eutectic abrasive particles, abrasive articles, and methods of making and using the same
Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and...
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6605128 |
Abrasive article having projections attached to a major surface thereof
The present invention provides abrasive articles having projections attached to a major surface thereof, and methods of making such articles. The articles include (1) a reaction product of...
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6596041 |
Fused AL2O3-MgO-rare earth oxide eutectic abrasive particles, abrasive articles, and methods of making and using the same
Fused abrasive particles comprising eutectic material comprising Al 2 O 3 —MgO-REO eutectic. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives,...
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