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WO/2003/008151A1 |
Described are fixed abrasive articles including wear indicators. Exemplary abrasive article (2) comprising abrasive composite elements (4) in the form of posts. The abrasive composite elements (4) include a binder and abrasive particles ...
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WO/2003/002299A2 |
A material (26) with a mesh of fibers and a binder material holding the fibers in the mesh can be used on a carrier head (20) or a polishing pad (100). A polishing apparatus can include a pad cleaner (40) with nozzles (44) to direct jets...
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WO/2003/000943A2 |
The invention relates to a tool for machine tools, comprising a base (10) and a cutting coating (12) that comprises a binder material (14) in which abrasive cutting bodies (16), especially diamonds, are firmly incorporated by means of a ...
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WO2001074537A9 |
Methods and apparatus are provided for combining the manufacturing of a fixed-abrasive substrate and the chemical mechanical planarization of semiconductor wafers using a single process path (26). An electrostatic patterning device (58) ...
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WO/2002/100593A2 |
A polishing pad having a body comprising fibers embedded in a matrix polymer formed by a reaction of polymer precursors. The fibers define interstices, and the precursors fill these interstices substantially completely before completion ...
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WO/2002/100595A1 |
A polishing sheet (10) not deforming with elapse of time in use and capable of uniformly flattening a polished surface at a high polishing rate and a method of manufacturing the sheet&semi the polishing sheet (10), comprising a fabric sh...
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WO/2002/094506A1 |
Abrasive articles (e.g., abrasive wheels) comprised of abrasive particles (26) and polymeric material (24) such as a polymeric reaction product of components comprising saturated polyol, saturated polyisocyanate, and a free radical sourc...
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WO/2002/094507A1 |
Abrasive articles abrasive articles (e.g., abrasive wheels) (10) comprised of abrasive agglomerate particles (16) dispersed within cellular polymeric material (14), and methods of making and using the abrasive articles.
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WO/2002/094736A1 |
The present invention relates to a method for producing cubic boron nitride abrasive grains used for producing a grinding wheel, etc., and to cubic boron nitride abrasive grains. The method comprises maintaining a mixture containing hexa...
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WO/2002/092286A1 |
An abrasive film capable of finish-polishing to a smooth surface with no unpolished area; and a method of producing the same. An abrasive film prepared by forming an abrasive layer (5) on the surface of a plastic film (1). The abrasive l...
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WO/2002/092287A1 |
Granular molding materials for fabricating abrasive articles, such as, for example, grinding wheels, are produced by mixing heated abrasive grains with a resin blend including two phenol-novolac resins. Preferably, the resin blend is add...
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WO/2002/090054A2 |
A contactor cleaning sheet capable of concurrently cleaning the tip and side faces of a contactor, a contactor cleaning sheet manufacturing method, and a contact cleaning method; the cleaning sheet (10), comprising a base sheet (11), an ...
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WO/2002/090049A1 |
A foaming paint of foaming resin is applied onto a surface of an excipient film (11), and this foaming paint is wet-foamed so as to form a foam sheet (10) on the surface of the excipient film. The foam sheet is peeled off from the surfac...
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WO/2002/087811A1 |
An abrasive tool insert if formed from a substrate (10) having a face and a continuous abrasive layer having a center (26), periphery forming a cutting edge, being integrally fomred on the substrate, and defining an interface therebetwee...
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WO/2002/083364A1 |
A cleaning implement of simple construction capable of cleaning the tip and lateral surface of a contactor is provided. It comprises a base plate (11), an intermediate sheet consisting of an elastic sheet having elasticity and a plastic ...
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WO/2002/078907A2 |
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 composition comprising a plurality of abr...
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WO/2002/078909A1 |
An electrostatic abrasive grain deposition process can be adapted to produce a patterned abrasive surface by controlling the local intensity of the field by which the grain (5) is projected on to a substrate (3).
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WO/2002/078908A1 |
The present invention is directed to a method of abrading a surface of a workpiece. The method of the invention comprises bringing a surface of a workpiece and an abrasive article into frictional contact in the presence of an aqueous flu...
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WO/2002/076678A1 |
The present invention provides a flexible abrasive product comprised of an open cell foam backing (12), a foraminous barrier coating (13) and a shaped foraminous abrasive coating (33). The flexible abrasive article (31) of the invention ...
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WO/2002/077102A1 |
A curable resin composition comprises a (poly(arylene ether), an acryloyl monomer, an allylic monomer, and an abrasive filler. The composition tolerates high filler contents, cures rapidly, and exhibits excellent toughness after curing. ...
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WO/2002/076677A1 |
Disclosed is a high-strength, abrasive wheel with improved durability and wearing resistance, which can be used as a wafer dicing wheel, wafer polishing wheel, or a blade for cutting stone. It is prepared by sintering a powder previously...
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WO/2002/074494A1 |
A sanding disc (10) particularly useful for smoothing drywall. The sanding disc includes a circular abrasive disc (18) having an abrasive surface (19), and a circular foam disc (12) smaller in diameter than the abrasive disc which is co-...
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WO/2002/074490A1 |
An abrasive article (10) that includes a fixed abrasive element (14) having a plurality of abrasive particles (16), a resilient element, and a plurality of rigid segments (22) disposed between the fixed abrasive element and the resilient...
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WO/2002/074492A2 |
The present invention provides discrete particles (306) and methods of preparing the discrete particles (306), and abrasive articles (300) having projections attached to a major surface thereof and methods of making such articles (300). ...
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WO/2002/074839A2 |
The present invention provides abrasive articles and methods of making abrasive articles. The abrasive articles have a polymeric material that includes (1) a reaction product of components that include (a) an epoxy-functional material, (...
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WO/2002/070205A1 |
The invention relates to a utility tool comprising a rotatingly driveable hub (10, 12) to which an abrasive means (14) is fixed in a radially outer region. According to the invention, the hub (10, 12) is endowed with a flexural strength ...
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WO/2002/068154A1 |
The invention provides abrasive articles with optimally oriented abrasive particles (60) and a method of making the same. The method involves contacting a substrate (61) with the contact and mating surfaces of tools to provide an embosse...
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WO/2002/062530A1 |
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 the presence of a lubricant consisting ...
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WO/2002/062532A1 |
A composition useful, for example, as a coating on the backside of coated abrasive articles comprising binder precursor selected from the group consisting of acrylic, acrylate, phenolic, epoxy, melamine-formaldehyde and combinations ther...
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WO/2002/062531A1 |
An abrasive is oversized with a layer consisting essentially of an inorganic anti-loading agent selected from the group consisting of metal silicates, silicas, metal carbonates, and metal sulfates. The metal silicates can be selected fro...
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WO/2002/060648A1 |
A polishing film (10) which comprises a plastic film (11) and, formed on the surface thereof, a polishing layer (14) having a thickness of 50 $g(m)m or more and comprising 50 to 85 wt % of silica particles having been treated with heat a...
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WO/2002/057071A2 |
A polishing pad including a polishing pad substrate and a catalyst having multiple oxidation states wherein the catalyst containing polishing pad is used in conjunction with an oxidizing agent to chemically mechanically polish metal feat...
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WO/2002/057382A2 |
A polishing pad comprising a polishing pad substrate and at least one solid catalyst, the polishing pad being useful to remove metal layers from a substrate.
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WO/2002/055266A1 |
A wiping film having a flexible film backing, and a wiping layer formed on one surface of the backing, wherein the wiping layer is composed of a binder and plastic particles dispersed therein. The wiping film is useful for removing forei...
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WO/2002/053324A1 |
A method of chemically modifying a wafer suited for fabrication of semiconductor devices includes a) contacting a surface of wafer with an article (10) that includes a plurality of unit cells repeating across the surface of the article, ...
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WO/2002/049807A1 |
A CMP conditioner for suppressing microscratches on the surface of a semiconductor substrate and for obtaining stable CMP conditioner characteristics. The CMP conditioner by a first mode comprises a support member and rigid grains provid...
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WO/2002/048280A1 |
A cerium based abrasive material containing 40 wt % or more of cerium oxide (relative to the total rare earth oxides), wherein the material contains fluorine in an amount of 0.5 to 10 wt % in terms of atomic weight relative to the cerium...
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WO/2002/045907A2 |
An abrasive diamond composite (60) formed form coated diamond particles (10) and a matrix material (22). The diamonds (12) have a protective coating (14) formed from a refractory material having a composition MC¿x?N¿y?, that prevents c...
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WO/2002/046283A1 |
The invention aims at providing a polyurethane foam which has a uniformly foamed structure, attains improvement in the flatness of a polished surface and flatting efficiency, is prolonged in serviceable life as compared with those of the...
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WO/2002/046327A1 |
A method for the production of an oxide of aluminum based corundum abrasive having a titanium oxide content of less than 0.8 wt. %, wherein the oxide of aluminum is processed by means of a melt or sintering process to form a compact base...
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WO/2002/043922A1 |
The present invention is directed, in general, to a method of polishing a surface on substrates, such as semiconductor wafers and, more specifically, to a polishing pad suitable for this purpose. The polishing pad comprises a polishing b...
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WO/2002/043940A1 |
The present invention is directed, in general, to an improved material and method of planarizing a surface on a semiconductor wafer and, more specifically, to a method of altering the properties of polymers, preferably thermoplastic foam...
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WO/2002/043921A1 |
A polishing pad capable of stably performing, with a high polishing speed, the flattening processing of the materials requiring a high degree of surface flatness such as silicon wafers for semiconductor devices, magnetic disks, and optic...
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WO/2002/042034A1 |
The invention provides an abrasive product having a sheet-like backing (11) including a plurality of concavoconvex portions, the backing (1) also having a first major surface including convex portions and an opposite second major surface...
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WO/2002/038339A1 |
The invention concerns a method for making a tool comprising at least a machining tip (1) consisting of one or several materials, in particular diamond-based, and a support (3) for the tip(s), the method comprising for the tip or each ti...
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WO2001043918A9 |
A method for making an abrasive material comprising a plurality of hard particles (75) providing the abrasive quality distributed in a retaining matrix for holding the particles in place, the method comprising the steps of placing a mask...
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WO/2002/038338A2 |
The present application discloses an agglomerate. The agglomerate comprises a crystalline matrix. The agglomerate may additionally comprise abrasive particles. The agglomerate has a normalized bulk density of less than about 0.38. The pr...
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WO/2002/038696A1 |
Spray drying methods for making agglomerate abrasive grains. The agglomerate abrasive grains are useful for making abrasive articles.
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WO/2002/034437A2 |
There is provided a method of making a composite abrasive compact which comprises an abrasive compact (30) bonded to a substrate (32). The abrasive compact will generally be a diamond compact and the substrate will generally be a cemente...
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WO/2002/034468A1 |
A method of regenerating a vitrified grinding wheel comprising a metal core and an outer peripheral wheel part connected thereto and capable of effectively utilizing abrasive grains and the other resources, comprising a wheel stripping p...
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