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A cutter assembly includes a cutting bit, a replacable wear surface in the form of a washer, and a sleeve. The cutting bit has a forward cutting tip, a rearward extending shank adapted to be received in a tool holder, and a rearward facing shoulder. The sleeve surrounds the shank and includes a forw

A cutter assembly includes a cutting bit, a replacable wear surface in the form of a washer, and a sleeve. The cutting bit has a forward cutting tip, a rearward extending shank adapted to be received in a tool holder, and a rearward facing shoulder. The sleeve surrounds the shank and includes a forward edge. The washer includes a central hole receiving the cutting bit shank, a front surface and a back surface joined by an outer asymmetrical edge of angularly variable radius. A portion of the washer front surface is in sliding contact with the rearward facing bit shoulder. The washer back surface includes a lip extending rearward from only a segment of the asymmetric edge for engaging an outer shoulder of a holder to inhibit rotation of the washer relative to the holder.

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A cutter assembly includes a cutting bit, a replacable wear surface in the form of a washer, and a sleeve. The cutting bit has a forward cutting tip, a rearward extending shank adapted to be received in a tool holder, and a rearward facing shoulder. The sleeve surrounds the shank and includes a forw

A cutter assembly includes a cutting bit, a replacable wear surface in the form of a washer, and a sleeve. The cutting bit has a forward cutting tip, a rearward extending shank adapted to be received in a tool holder, and a rearward facing shoulder. The sleeve surrounds the shank and includes a forward edge. The washer includes a central hole receiving the cutting bit shank, a front surface and a back surface joined by an outer asymmetrical edge of angularly variable radius. A portion of the washer front surface is in sliding contact with the rearward facing bit shoulder. The washer back surface includes a lip extending rearward from only a segment of the asymmetric edge for engaging an outer shoulder of a holder to inhibit rotation of the washer relative to the holder. nnects," ECS (1996), month of publication not available. "Equinox," Single Substrate Processing system, Semitool. Advertising Brochure. Equ-025, 4/24, pp. 108, date of publication not available. Equinox, Introducing the First Fully End-to-end Plating Process. Semitool Advertising Brochure, EQU: 1002 6 pgs., Dec. 1994. USPTO Pending Appli., 09/216,894, filed Dec. 18, 1998 IBM Doc. No. FI9-98-230, entitled: Anode Design For Semiconductor Deposition Having Efficient Anode Consumption by Uzoh, 39 pgs. --Spec.; 8pgs. of drawings. USPTO Pending Application 09/192,431, filed Nov. 16, 1998, IBM Docket No. FI9-98-057. 42 pgs. Specification, 5 pgs. drawings.