Systems and methods for mechanical and/or...

Details Systems and methods for mechanical and/or... Systems and methods for mechanical and/or...

2006-11-07

2006-11-07

Hail, III, Joseph J. (Department: 3723)

Abrading

Precision device or process - or with condition responsive...

With feeding of tool or work holder

C451S001000, C451S021000

Reexamination Certificate

active

07131891

ABSTRACT:
Systems and methods for polishing microfeature workpieces. In one embodiment, a method includes determining a status of a characteristic of a microfeature workpiece and moving a carrier head and/or a polishing pad relative to the other to rub the microfeature workpiece against the polishing pad after determining the status of the characteristic of the microfeature workpiece. The carrier head also carries a plurality of piezoelectric members. The method further includes applying pressure against a back side of the microfeature workpiece in response to the determined status of the characteristic by energizing at least one of the plurality of piezoelectric members. In another embodiment, a system includes a workpiece carrier assembly, a plurality of piezoelectric members, a polishing pad, a metrology tool for determining a status of the characteristic, and a controller. The controller can have a computer-readable medium containing instructions to perform the above-mentioned method.

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