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Abrading > Accessory AccessoryAccessory patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.12/14/06 - 20060281395 - Retaining ring with flange for chemical mechanical polishing A retaining ring has a generally annular body with a top surface, a bottom surface, an inner diameter surface, and an outer diameter surface. The outer diameter surface includes an outwardly projecting flange having a lower surface, and the bottom surface includes a plurality of channels. ... 04/20/06 - 20060084372 - Grinding wheel replacement fixture An apparatus to facilitate the replacement of a grinding wheel secured to a mounting plate. The apparatus includes a frame having two spaced-apart uprights. An elongated support bar extends between and is pivotally mounted to the uprights while a mounting plate of a grinding wheel is detachably secured to the ... 12/15/05 - 20050277376 - Single component pad backer for polishing head of an orbital chemical mechanical polishing machine and method therefor A pad backer for a polishing head of an orbital chemical mechanical polishing (CMP) machine is formed of a flexible pad. A plurality of holes are formed through the flexible pad. The holes are used to accommodate tile flow of a polishing liquid from the underside of the flexible pad. ... 12/15/05 - 20050277375 - Retaining ring assembly for use in chemical mechanical polishing A retaining ring assembly for use in chemical mechanical polishing that includes an annular plastic retaining ring portion defining an annular projection thereon, an annular metal backing defining an annular channel therein for receiving the projection and a pair of elongated spring members concentrically disposed about the annular projection on ... ### FreshPatents.com Support |