Patent ID: 6539277
Filing Date: 2003-03-25
Classification: B24B,Y10T

Abstract:
A system for patterning a lapping surface on a lapping tool, said lapping surface having a circular inner diameter and a circular outer diameter, said system comprising:an outer support mounted on the lapping tool; a radial arm having an inner end rotatably supported at an axis of rotation located within the inner diameter of the lapping surface and an outer end movably supported by said outer support such that said radial arm is rotatable about the axis of rotation; a cutting tool mounted on the radial arm for movement from the inner diameter of the lapping surface to the outer diameter of the lapping surface; a radial positioning motor for positioning the cutting tool at a plurality of locations between the inner diameter of the lapping surface and the outer diameter of the lapping surface; and an angular positioning motor for rotating the radial arm about the axis of rotation to position the radial arm at a plurality of angular locations.