Abrading – Abrading process – Glass or stone abrading
Reexamination Certificate
2007-05-01
2007-05-01
Nguyen, Dung Van (Department: 3723)
Abrading
Abrading process
Glass or stone abrading
C451S285000
Reexamination Certificate
active
11413372
ABSTRACT:
Systems and methods for beveling microfeature workpiece edges are disclosed. A system in accordance with one embodiment is configured to remove material from a microfeature workpiece having a first face, a second face facing opposite from the first face, an edge surface between the first and second faces, and an edge at a juncture between the edge surface and one of the first and second faces. The system can include a carrier positioned to carry the workpiece with the first and second faces generally normal to an axis, and a first polishing pad having a support surface and a polishing surface facing generally away from the support surface. The polishing surface can have a first shape with at least one portion oriented at an acute angle relative to the axis and the support surface to remove material from the edge of the workpiece. A polishing pad support is positioned to carry the first polishing pad proximate to the carrier and is also configured to carry a second polishing pad having a polishing surface with a second shape configured to remove material from the first face of the workpiece while the workpiece rotates about the axis.
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patent
Micro)n Technology, Inc.
Nguyen Dung Van
LandOfFree
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