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6352567 |
Nonwoven abrasive articles and methods
Described are abrasive articles comprising a nonwoven; a binder layer contacting the nonwoven and at least partially filling spaces between fibers of the nonwoven; first abrasive particles adhered...
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6347982 |
Method for making a polishing apparatus utilizing brazed diamond technology and titanium nitride
A method and apparatus for polishing and planarizing workpieces such as semiconductor wafers is presented. Conditioning rings, which are used to condition polishing pads used in the planarization...
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6337281 |
Fixed abrasive polishing system for the manufacture of semiconductor devices, memory disks and the like
A fixed abrasive, chemical-mechanical polishing system which is particularly well suited for use in the manufacture of semiconductor devices, memory disks or the like.
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6319109 |
Disk-shaped grindstone
A disk-shaped grindstone including a base disk and an abrasive layer which is bonded to the base disk. The base disk is provided by a rapidly-solidified aluminum alloy whose major component is Si,...
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6319608 |
Titanium chromium alloy coated diamond crystals for use in saw blade segments and method for their production
Diamond particles are coated with a Ti metal to form Ti metal coated diamond particles product by contacting the diamond particles with an alloy of the following composition, Ti (1-x) Cr x , where...
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6312484 |
Nonwoven abrasive articles and method of preparing same
An abrasive article is provided having a rebulkable nonwoven web and a continuous sheet-like abrasive coating bonded to the first major surface of the nonwoven web. The abrasive coating comprising...
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6309433 |
Polishing pad conditioner for semiconductor substrate
There is provided a conditioner which eliminates loading of a polishing pad, stabilizes polishing speeds and has a long usable life in metal CMP employing acidic slurry, which allows production of...
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6309738 |
Hard multilayer coated tool having increased toughness
A hard multilayer coated tool including: (a) a substrate; and (b) a multilayer coating covering the substrate, the multilayer coating comprising first and second coating layers which are...
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6306187 |
Abrasive material for the needle point of a probe card
An abrasive material for the needle point of a probe card which can effectively remove foreign matter adhering to the needle point of the probe, protect the needle point from damage and...
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6302930 |
Durable nonwoven abrasive product
The present invention provides an improved nonwoven abrasive product. The improved abrasive product has a porous, lofty web of multiple layers of coiled, autogenously bonded thermoplastic...
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6299508 |
Abrasive article with integrally molded front surface protrusions containing a grinding aid and methods of making and using
An abrasive article including (i) a backing, (ii) a plurality of grinding aid-containing protrusions integrally molded on the first surface of the backing, wherein the first surface of the backing...
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6299992 |
Method of making cemented carbide with binder phase enriched surface zone
The present invention relates to method of making a cemented carbide insert, comprising a cemented carbide substrate and a coating. The substrate contains WC and cubic carbonitride phase in a...
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6293980 |
Production of layered engineered abrasive surfaces
Coated abrasives comprising shaped structures deposited on a backing can be given increased versatility can be made by a process in which the shaped structure is imposed on a structure deposited in...
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6286498 |
Metal bond diamond tools that contain uniform or patterned distribution of diamond grits and method of manufacture thereof
The present invention describes a novel metal bond superabrasive tool that contains a superabrasive such as diamond or CBN grits distributed in a predetermined or an uniform pattern. Such a pattern...
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6287682 |
Diamond coated tools and process for making
A process for making a diamond-coated tool and the tool made thereby. The process includes a sintering step. In that step, the tool substrate is sintered in an atmosphere and for a time and at a...
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6287353 |
Abrasive grain, abrasive articles, and methods of making and using the same
Alpha alumina-based abrasive grain and method of making the same. The abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and...
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6277161 |
Abrasive grain, abrasive articles, and methods of making and using the same
Alpha alumina-based abrasive grain. The abrasive grain can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.
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6277160 |
Abrasive article and method of making such article
A method for making an abrasive article having at least two abrasive coatings having different abrasive natures. The abrasive natures can differ, for example, by abrasive particle size, abrasive...
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6277486 |
Cermet tool
A cermet tool is made up of a binder metallic phase forming component of Ni or Ni and Co and a hard phase including a hard phase metallic element component of Ti as its main part and one or more of...
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6270543 |
Abrasive article containing an inorganic metal orthophosphate
An abrasive article, and methods of making and using same, containing an inorganic metal orthophosphate salt. The abrasive article including a coated abrasive article having a size or supersize...
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6261328 |
Dimensionally stable abrasive discs
This invention describes a method of making abrasive products such as discs with enhanced resistance to deformation as a result of the influence of moisture by laminating a coated abrasive having a...
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6261329 |
Diamond sintered body having high strength and high wear resistance, and tool including the same
A diamond sintered body having high wear resistance, chipping resistance, shock resistance and thermal conductivity is provided. The diamond sintered body includes sintered diamond particles and a...
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6258139 |
Polycrystalline diamond cutter with an integral alternative material core
A cutting element, insert or compact, is provided for use with drills used in the drilling and boring of subterranean formations or in machining of metal, composites or woodworking. This new insert...
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6258138 |
Coated abrasive article
A coated abrasive article comprises a backing, a first binder on the backing, and a plurality of abrasive particles in the first binder. The first binder precursor is an energy-curable preferably,...
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6258136 |
Fixed abrasives for optical polishing
An optical polishing tool comprises alpha alumina and ceria components in relative weight proportions of from 30:70 to 70:30 dispersed in a resin binder. Particularly preferred are coated...
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6251149 |
Abrasive grinding tools with hydrated and nonhalogenated inorganic grinding aids
A bonded-abrasive tool includes a matrix of an organic bond, abrasive grains dispersed in the organic bond and a grinding aid in the form of either an inorganic nonhalogenated filler or a hydrated...
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6245443 |
Removable bond for abrasive tool
A bond for a metal single layer abrasive tool can be easily chemically and electrochemically stripped from the metal core of a recovered used tool to facilitate reuse of the core. Relative to...
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6238449 |
Abrasive article having an abrasive coating containing a siloxane polymer
Structured abrasive articles having an abrasive coating including a binder which comprises the reaction product of a binder precursor and a reactive siloxane polymer are described as well as...
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6238448 |
Grinding stones
A grinding stone useful for a variety of comminuting applications, but especially useful for comminuting of rubber particles, comprises a cured mixture of a grit material (such as silicon carbide),...
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6231629 |
Abrasive article for providing a clear surface finish on glass
An abrasive article is provided which comprises a backing; and at least one three-dimensional abrasive coating comprising diamond particles dispersed within a binder bonded to a surface of the...
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6217992 |
Coated cutting insert with a C porosity substrate having non-stratified surface binder enrichment
A cutting insert which comprises a rake face and a flank face wherein there is a cutting edge at the juncture of the rake face and the flank face. The cutting insert has a coating and a substrate...
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6213860 |
Grinding wheel
A grinding wheel for use in grinding glass, has an outer periphery of abrasive material secured to a body portion made of a lightweight material.
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6214067 |
Magnesium oxychloride plug-filled magnesium oxychloride bonded abrasive
Corrugated abrasive discs such as grinding wheels are treated by applying a water-resistant coating to the interiors of the corrugations before the corrugations are plugged. Discs having...
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6202769 |
Drilling stabilizer
A high-performance drilling stabilizer is provided that is high in both wear resistance and strength. Blades are bonded to a stabilizer body. The blade is split into at least two segments. The...
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6200360 |
Abrasive tool and the method of producing the same
An abrasive tool includes an electroformed layer having superabrasive grains electroplated on an outer surface of the electroformed layer, and a plurality of dimples arranged on the outer surface...
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6193770 |
Brazed diamond tools by infiltration
The present invention describes a diamond tool with diamond bonded chemically by a braze that contains either Cr, Mn, SI, or Al or mixtures or alloys thereof. The diamond tool is made by...
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6187068 |
Composite polycrystalline diamond compact with discrete particle size areas
A polycrystalline diamond compact for use in cutting operations that require improved impact strength and non-uniform edge wear. The compact includes a substrate, with multiple, laterally spaced,...
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6179886 |
Method for producing abrasive grains and the composite abrasive grains produced by same
The present invention relates to a method for producing abrasive grains. According to the invention the method is characterised by the steps of manufacturing a polycrystalline body comprising...
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6171351 |
Strip coatings for metal components of drive units and their process of manufacture
An abrasive coating is formed on the tip of a component of a drive unit for abrading an abradable coating during a stripping operation by thermal spraying a ceramic layer on the component, the...
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6165239 |
Aqueous sulfopolyurea colloidal dispersions, films and abrasive articles
The present invention relates to stable aqueous colloidal dipersions of sulfopolyureas and self supporting films formed from the dispersions which display good mechanical properties from about room...
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6155910 |
Method and article for the production of optical quality surfaces on glass
The present invention relates to a method and an article for rapidly polishing a glass workpiece surface using a structured abrasive article including cerium oxide particles dispersed in a binder....
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6148938 |
Wear resistant cutter insert structure and method
A wear resistant cutter insert structure and method include a stud having at least one face. A primary tapered ridge and at least one secondary tapered ridge extending from the primary tapered...
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6139594 |
Abrasive article with tie coat and method
An abrasive article is provided that includes a tie coat which improves adhesion between an abrasive layer and a backing in the abrasive article. The tie coat is preferably formed from a tie coat...
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6121143 |
Abrasive articles comprising a fluorochemical agent for wafer surface modification
This invention relates to fixed abrasive articles and abrasive constructions containing at least one fluorochemical agent. The fixed abrasive articles and abrasive constructions are used in...
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6120568 |
Article and a method for producing an article having a high friction surface
Improved abrasive tools and apparatus and method for the manufacture of the improved abrasive tools and the like which includes apparatus and a method for the creation of a structurally viable...
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6117001 |
Electrolytic in-process dressing method, electrolytic in-process dressing apparatus and grindstone
An electrolytic in-process dressing method, an electrolytic in-process dressing grinding apparatus, and an electrolytic in-process dressing grindstone, for grinding workpiece as the grindstone is...
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6110015 |
Method for providing a clear surface finish on glass
A method for polishing a glass workpiece is provided that includes contacting the glass workpiece having an initial Ra with an abrasive article comprising a three-dimensional abrasive coating...
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6103357 |
Multilayered coated cutting tool
The present invention relates to a cutting tool comprising a body of sintered cemented carbide or cermet, ceramic or high speed steel on which at least one of the functioning parts of the surface...
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6099603 |
System and method of attaching abrasive articles to backing pads
A system and method for attaching an abrasive article to a backing pad is provided. The system includes a backing pad including loop-textile material applied to an attachment surface thereof and an...
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6093225 |
Vitrified abrasive solid mass reinforced by impregnation with synthetic resin, and method of manufacturing the same
An abrasive vitreous bonded solid mass having a vitrified abrasive structure comprising abrasive grains which are held together by an inorganic bonding agent, the abrasive structure is impregnated...
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