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WO/2004/054779A1 |
A method for producing a closed cell cellular material having an average cell diameter of 0.1 to 100 μm, which comprises a step (A) of incorporating a blowing agent into a molten resin under a pressure of more than 10 MPa of an atmosphe...
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WO/2004/052555A1 |
A sheet-receiving dish (120) having a groove (121) in which a brazing-material sheet is fitted is provided on a base (110). A slide member (140) can be slid above the sheet-receiving dish (120) along a length direction of the sheet-recei...
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WO/2004/053013A2 |
The invention relates to abrasive particles from the group of conventional abrasive particles, in particular, fused or sintered corundums, zirconium corundums, silicon carbides, and boron carbides for application in resin-bonded abrasive...
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WO/2004/048042A1 |
Nonwoven abrasive articles (100) comprise a porous reinforcing material (120), a fiber web (110) affixed to the porous reinforcing material (120), abrasive particles (135), and a non-elastomeric binder (138). Methods of making and using ...
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WO/2004/043650A1 |
An abrasive article comprising abrasive particles and a UV-cured formulation and a filler, wherein the filler is substantially transparent to UV-radiation and the filler is present in a range from about 20 to about 80 percent by weight b...
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WO/2004/030867A1 |
An apparatus (200) and method for forming an endless spiral wound abrasive article (215) and the resulting article. The apparatus includes first and second spaced-apart hubs (220), configured so that a portion of first and second webs pa...
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WO/2004/028745A1 |
The present invention relates to a polishing pad. In particular, the polishing pad of the present invention comprises a sublayer, a middle layer, and a top layer which can function as a polishing layer. The polishing pad of the present i...
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WO/2004/024393A1 |
The present invention provides, polishing pad (230) with improved polishing properties and longevity. The pad is comprised of a thermoplastic foam substrate (240) having a surface (242) comprised of concave cells (244). A polishing agent...
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WO/2004/021855A1 |
A cleaning article comprises a flocked substrate (1) wherein the flock (3) comprises fibres that are arranged substantially perpendicular to the substrate and have a maximum length of 2.0 mm, the fibres being substantially free of abrasi...
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WO/2004/022285A1 |
The present invention is directed to abrasive articles comprising a resin transfer additive (15) and methods of abrading a workpiece with the abrasive article (10). The resin control additive (15) is a metal salt of a long chain fatty ac...
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WO/2004/012906A1 |
Abrasive articles (100) have an adhesive layer (112) in contact with a liner (160)comprising a base portion (170) having protrusions (165) extending therefrom, wherein at least some of the protusions contact the adhesive layer.
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WO/2004/012905A1 |
Multi-layer band, comprising a metal band, a self-adhesive layer on the inner face and a protective strip over the self-adhesive layer, is spirally wound onto a roller (50) given a coating of abrasive granules by electrodeposition. On co...
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WO/2004/011196A1 |
The invention provides a method and apparatus for making an abrasive product comprising providing a substantially horizontally deployed flexible backing (10) having a first surface (12) bearing an at least partially cured primer coating ...
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WO/2004/011195A1 |
The present invention relates to a cleaning laminate comprising two functionally diverse surfaces, wherein said first surface is formed from an abrasive nonwoven fabric layer, which facilitates the process of loosening particulates, such...
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WO/2004/009291A1 |
A polishing pad has a polishing layer (22) with a polishing surface (24) and a back surface. A plurality of grooves (28b) are formed on the polishing surface, and an indentation (52) is formed in the back surface of the polishing layer. ...
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WO/2003/101669A1 |
An article and method are provided for polishing a substrate surface. In one aspect, the invention provides polishing articles including a linear strip of backing material and a fibrous polishing material disposed on the backing material...
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WO/2003/099517A1 |
A nonwoven composite cleaning pad (10) is disclosed. The cleaning pad includes a first nonwoven layer (12) having an absorbent surface. A second (20) nonwoven layer is laminated to the first layer, and a plurality of abrasive polymer for...
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WO/2003/099518A1 |
The invention provides polishing pads for chemical-mechanical polishing comprising a porous foam and a method for their production. In one embodiment, the porous foam has an average pore size of 50 μm or less, wherein 75% or more of the...
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WO/2003/099519A1 |
A top layer comprises a flexible support (804) and a plurality of hard elements (808) anchored in a binder (806) over the flexible support, and a method of forming the same is provided. In one embodiment, certain ones of the hard element...
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WO/2003/097298A1 |
A polishing pad made of a non-foamed material has surface roughness Ra in the range of 0.1-10 micrometers, or preferably 0.5-1.5 micrometers and variations in thickness less than 50 micrometers, or preferably less than 30 micrometers. It...
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WO/2003/089194A1 |
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 article comprises a reaction product of compo...
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WO/2003/087256A1 |
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. The metal silicates can be selected fro...
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WO2001074535A9 |
A belt (402) for polishing a workpiece such as a semiconductor wafer in a linear chemical mechanical polishing system includes a fixed abrasive material (401) attached to a polymeric layer (405) forming an endless loop. The belt is made ...
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WO/2003/085595A1 |
The invention provides an abrasive article (22, 122), and methods for the use and the manufacture of the article. The abrasive article comprises an abrasive surface (224); and a performance index associated with the abrasive article, the...
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WO/2003/080295A1 |
The invention relates to a device for producing jumbo rolls during the production of abrasives on a support. The aim of the invention is to provide a device by which means jumbo rolls can be produced during the production of abrasives on...
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WO/2003/080294A1 |
Coated abrasive articles comprise a backing (2) and an abrasive layer (3), wherein at the abrasive layer (3) comprises a reaction product (5, 6) of components comprising polyfunctional acrylate, alicyclic polyepoxide, and aromatic polyep...
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WO/2003/078859A2 |
A processing belt (150, 160, 170) for use in chemical mechanical planarization (CMP), is provided. The processing belt is reinforced with one of a mesh belt (154) and a woven fabric (164). The processing belt includes a polymeric materia...
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WO/2003/076136A1 |
The present invention is directed to an abrasive article and methods of making the abrasive article. An abrasive coating on the abrasive article comprises at least 20% by weight of a superabrasive particle. The abrasive coating is derive...
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WO/2003/074227A2 |
A polishing pad for use in chemical mechanical polishing of substrates that being made of a porous structure comprising a matrix consisting of fibers, such as cotton linter cellulose bound with a thermoset resin, such as phenolic resin. ...
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WO/2003/064110A1 |
A method of modifying abrasive stock (10), being an open porous lofty web of undulated filaments with a multitude of abrasive particles dispersed within the web and bonded to the filaments, is disclosed. The modified abrasive stock of th...
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WO/2003/061909A1 |
A process for coating a surface which comprises applying a composition comprising an amine aldehyde resin, a reactant bearing carboxylic acid groups or derivatives thereof and a Lewis acid, followed by thermal curing. The process is of v...
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WO/2003/059571A1 |
A planarization method includes providing a Group VIII metal-containing surface (preferably, a platinum-containing surface) and positioning it for contact with a fixed abrasive article in the presence of a planarization composition, wher...
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WO/2003/057409A1 |
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 array in a pattern which provides open sp...
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WO/2003/057410A1 |
The invention provides a method of making an embossed abrasive article comprising providing a sheet-like foam backing having a first surface and an opposite second surface; providing an abrasive coating comprising abrasive particles and ...
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WO/2003/058698A1 |
A polishing pad for polishing the surface of a wafer for semiconductor integrated-circuit formation thereon, which has a high polishing rate, attains evenness of polishing, and has a long life. Preferably, the polishing pad comprises a n...
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WO/2003/057411A1 |
The invention provides a backing (125) for an abrasive article comprising a sheet-like polymeric substrate having a first major surface (126) including a pattern of non-abrasive raised areas and depressed areas and an opposite second maj...
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WO/2003/054097A1 |
A polishing pad is described as comprising, (a) particulate polymer which can be chosen from particulate thermoplastic polymer (e.g., particulate thermoplastic polyurethane), particulate crosslinked polymer (e.g., particulate crosslinked...
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WO/2003/051577A1 |
An abrasive article (12) is described. The article (12) is suitable for the deposition and mechanical polishing of a conductive material, and comprises: a polishing layer having a textured surface (102) comprising a binder and a second s...
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WO/2003/049904A1 |
Method for removing gasket material (30) from a surface (32) using nonwoven, three dimensional fibrous web (2) articles employ phenolic particles (6).
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WO/2003/041899A1 |
The present invention relates to a sawing wire, comprising an abrasive mixture (2), which contains a bonding resin and an abrasive material, as well as a multifilament core made of fibres (1) which are resistant to breaking. Said fibres ...
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WO/2003/041911A1 |
Abrasive materials having a sheet-form mesh substrate, a metal film plated on a surface of the substrate, a binder applied on a surface of the metal film, and abrasive grains bonded to the substrate by the binder are reported.
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WO/2003/037131A1 |
A method for capping a stem web including passing the stem web through a first nip against a first heated nip roll (110) so as to partially cap the stems; cooling the web; and passing the stem web through a second nip against a second he...
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WO/2003/038862A2 |
Pads and methods of making the pads for applications such as polishing substrates and chemical mechanical planarization of substrates are provided. The pads are substantially porous and substantially hard for improved polishing and plana...
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WO/2003/037565A2 |
Disclosed is a method of manufacturing polymer materials having properties that are determined by selected process conditions. The properties can be modified for a variety of applications. Exemplary applications are pads for chemical mec...
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WO/2003/033212A1 |
Provided is a treated substrate (12) comprising a backing material coated with a resin derived from a curable precursor resin, which comprises an energy-curable component comprising a cyanate ester resin and a curing agent. Also provided...
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WO/2003/033251A1 |
A process to produce a novel substrate for adherence to a product such as an abrasive belt (10) which encompasses the use of a woven product (12) in the greige state that has open-end, staple cellulosic yarn which has been pre-wet slashe...
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WO/2003/032379A1 |
In CMP technology for planarizing an interlayer insulation film, a BPSG film, an insulation film for shallow trench isolation, or the like, in the production process of a semiconductor element, irregularities of a matter being polished, ...
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WO/2003/026849A1 |
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 volume of the volume of binder plus solid ...
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WO/2003/022899A1 |
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 essentially of at least one salt of an acid w...
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WO/2003/020474A1 |
A sheet-form abrasive material having a substrate (11), a binder (12) coated on a surface of the substrate, and abrasive grains bonded to the substrate by the binder, wherein the abrasive material has a plurality of dimples or perforatio...
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