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| Number | Title | Issue Date |
| 7803203 | Compositions and methods for CMP of semiconductor materials The invention provides a composition for chemical-mechanical polishing. The composition comprises an abrasive, a first metal rate polishing modifier agent, a second metal rate polishing modifier agent, and a liquid carrier. In one embodiment, the first metal rate po... | 09/28/2010 |
| 7351662 | Composition and associated method for catalyzing removal rates of dielectric films during chemical mechanical planarization A low solids-content slurry for polishing (e.g., chemical mechanical planarization) of substrates comprising a dielectric and an associated method using the slurry are described. The slurry and associated method afford high removal rates of dielectric during polishi... | 04/01/2008 |
| 7316603 | Compositions and methods for tantalum CMP A composition suitable for tantalum chemical-mechanical polishing (CMP) comprises an abrasive, an organic oxidizer, and a liquid carrier therefor. The organic oxidizer has a standard redox potential (E0) of not more than about 0.5 V relative to a standard... | 01/08/2008 |
| 7300478 | Slurry composition and method of use The present invention provides an aqueous slurry composition that comprises cerium oxide and/or cerium oxide-containing mixed rare earth oxide abrasive particles, a polyacrylate, and an agent that retards hard settling. The agent that retards hard settling is prefer... | 11/27/2007 |
| 7217662 | Method of processing a substrate There is disclosed a method of processing a substrate, which comprises applying a surfactant or a water soluble polymer agent onto a surface of a substrate to be processed, and sliding a circumferential portion of the substrate and a polishing member against each ot... | 05/15/2007 |
| 7204865 | Polishing composition The present invention relates to a polishing composition that can be preferably used to polish a silicon wafer. The polishing composition includes a block polyether represented by the chemical formula HO—(EO)a—(PO)b—(EO)c—H, ... | 04/17/2007 |
| 7125205 | Cutting tool for rough and finish milling A milling cutter comprises a cutter body having two concentric annular rings. An outer ring is provided for rough milling and includes a plurality of cutting inserts equally spaced about the periphery of a cutter body. An inner finish ring comprises a ring member ha... | 10/24/2006 |
| 7077879 | Composition for polishing pad and polishing pad using the same An object of the invention is to provide a polishing pad having the excellent slurry retaining properties and the large removal rate and a composition for a polishing pad which can form such the polishing pad. A composition for polishing pad of the invention is comp... | 07/18/2006 |
| 6685755 | Porous abrasive tool and method for making the same An abrasive article including from about 40 to about 80 volume percent interconnected porosity, the article being useful as a segment for a segmented grinding wheel, and a method for fabricating the same. The method includes blending a mixture of abrasive... | 02/03/2004 |
| 6645264 | Composition for forming polishing pad, crosslinked body for polishing pad, polishing pad using the same and method for producing thereof It is an object of the invention to provide a composition for forming a polishing pad comprising substances having specific functional groups exhibiting excellent hydrophilic properties and the like, a crosslinked body for polishing pad as well as a polis... | 11/11/2003 |
| 6375692 | Method for making microabrasive tools A microabrasive tool is formed from a slurry including liquid, abrasive grains, a bonding material, and a polymer--for example, gellan gum. The slurry is cast in a mold, and the polymer is ionically cross-linked. Cross-linking the polymer fixes the struct... | 04/23/2002 |
| 6197951 | Starch graft copolymer blast media The invention discloses a starch graft poly(meth)acrylate blast media which is effective in paint removal. The media is superior to a physical blend of the components (i.e., starch and acrylic polymers) and to either a starch polymer or an acrylic polymer... | 03/06/2001 |
| 6162268 | Polishing slurry The invention provides a mixture for polishing surfaces. The mixture includes polishing particles having an average size of less than 10 μm and water. It also includes an accelerator for chemically attacking a surface and a starch for reducing vibration ... | 12/19/2000 |
| 6159257 | Water-resistant, glass-like, polysaccharide abrasive grits and method of making same The present invention relates to high amylose, water-resistant, glass-like polysaccharide abrasive grits and a method of making the same.... | 12/12/2000 |
| 5780619 | Starch graft poly(meth)acrylate blast media The invention discloses a starch graft poly(meth)acrylate blast media which is effective in paint removal. The media is superior to a physical blend of the components (i.e., starch and acrylic polymers) and to either a starch polymer or an acrylic polymer... | 07/14/1998 |
| 5700551 | Layered film made of ultrafine particles and a hard composite material for tools possessing the film Ultrafine particle-layered film for coating cutting tools. The film has more than two layers of at least two compounds consisting mainly of carbide, nitride, carbonitride or oxide of at least one element selected from a group consisting of IVa group eleme... | 12/23/1997 |
| 5367068 | Glass-like polysaccharide abrasive grit The present invention relates to a method for treating, and in particular for abrading surfaces, utilizing glass-like polysaccharide grits. The invention also extends to novel glass-like polysaccharide products, especially starches, and to processes for t... | 11/22/1994 |
| 5210982 | Animal glue hardening composition and article and method of manufacturing thereof A composition for hardening animal or collagen based glue comprising a stabilized product of urea formaldehyde is provided and an article and method of manufacture thereof. Animal glue containing the hardening composition has reduced solubility in water, ... | 05/18/1993 |
| 5203882 | Bonding adjuvants for vitreous bond formulations and process for bonding with The use of small amount of silica sol in conjunction with an organic binding agent significantly increases the strength of the bond in a vitreous bonded alumina containing abrasive wheel.... | 04/20/1993 |
| 5066335 | Glass-like polysaccharide abrasive grit The present invention relates to a method for treating, and in particular for abrading surfaces, utilizing glass-like polysaccharide grits. The invention also extends to novel glass-like polysaccharide products, especially starches, and to processes for t... | 11/19/1991 |
| 5037452 | Method of making vitreous bonded grinding wheels and grinding wheels obtained by the method A method for making vitreous bonded abrasive articles, particularly grinding wheels, is provided that includes the step of blending sugar/starch particles into the other ingredients for making the wheel. The sugar/starch particles are intimate combination... | 08/06/1991 |
| 4920704 | Grinding wheel containing dissolvable granular material A grinding wheel for use in precision wet grinding which involves the use of a water soluble based coolant. The grinding wheel includes a mix of at least an abrasive and a resin and also an effective amount of a relatively coarse granular water soluble ma... | 05/01/1990 |
| 4853000 | Process and composition for a metal polish The cleaning and polishing composition for metals described herein comprises (a) a flour component, (b) a mineral spirits component, and (c) an abrasive component. The abrasive component comprises various combinations of aluminum oxide, ferric oxide, and ... | 08/01/1989 |
| 4795496 | Method of removing adherent foreign matter from work pieces Adherent foreign matters such as metal powders and sludges are removed from the surface of work pieces of metal, ceramics or the like in a treating process thereof. Work pieces where foreign matters adhere and a granules composed of a heat-resisting inorg... | 01/03/1989 |
| 4444570 | Functional agglomerated speckles and method for manufacture thereof Functional agglomerated speckles, for incorporation in dentifrices, include agglomerates of a water insoluble powdered functional material and water insoluble, ethanol soluble ethyl cellulose. Such speckles satisfactorily maintain their integrity and iden... | 04/24/1984 |
| 4280821 | Disintegrable lump abrasive grains and process for producing same This invention relates to the manufacturing of a special "lump abrasive grains", which is to be used as polishing agent and in buffing compound. Basically, the production is composed of gypsum (CASO4.1/2H2 O), acting as a base carrie... | 07/28/1981 |
| 4260396 | Compositions for polishing silicon and germanium A composition for polishing silicon and germanium comprises a synthetic amorphous silica polishing agent and a suspending agent selected from the group consisting of water-soluble carboxypolymethylene gums and xanthum gums. The composition may be used for... | 04/07/1981 |
| 4226602 | Method of continuously producing resinoid abrasive wheels for cutting hard materials Resinoid abrasive wheels are continuously produced by preparing pore forming granules having predetermined mechanical strength and containing a substance thermally decomposable at a baking temperature for the production of resinoid abrasive wheels and a b... | 10/07/1980 |
| 4222747 | Polishing material for ophthalmic lenses The invention relates to a polishing material of the type containing powdered cerium oxide suspended in water. According to the invention, this polishing material also contains, in combination, a substance for use as a thickener and a substance for reduci... | 09/16/1980 |
| 4161394 | Polishing slurry of xanthan gum and a dispersing agent A solution for use in suspending 0.05 to 15 micron ceria or alumina particles to produce a slurry for polishing lenses and semiconductor wafers is disclosed. The solution consists of water containing from 0.06 to 0.75 percent by weight of xanthan gum and ... | 07/17/1979 |
