Apparatus and associated method for conditioning in chemical...

Abrading – Machine – Combined

Reexamination Certificate

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C451S443000

Reexamination Certificate

active

07004825

ABSTRACT:
A conditioning apparatus for use in a CMP system is provided along with an associated method of operation. The conditioning apparatus includes rotation mechanics and oscillation mechanics. The rotation mechanics are capable of rotating a shaft which causes a holder and a conditioning substrate to be rotated. The oscillation mechanics are capable of moving a position of the shaft within a region defined by a peripheral boundary that is less than and within an outer periphery of the conditioning substrate. A conditioning substrate backing is also included in the conditioning apparatus. The conditioning substrate backing defines a differential pressure distribution that is capable of being applied to the conditioning substrate.

REFERENCES:
patent: 5885137 (1999-03-01), Ploessl
patent: 5975994 (1999-11-01), Sandhu et al.
patent: 6190243 (2001-02-01), Wada et al.
patent: 6508697 (2003-01-01), Benner et al.
patent: 6648731 (2003-11-01), Shin

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