Linear conditioner apparatus for a chemical mechanical polishing

Abrading – Abrading process – With tool treating or forming

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451 41, 451443, 451285, 451287, 451289, B24B 2118

Patent

active

059385073

ABSTRACT:
A conditioner apparatus uses one or more linear conditioners. The linear conditioners extend from the edge of the polishing pad almost to the center of the pad. The conditioner apparatus may use two conditioner rods located on either side of a radial segment. The rods gimbal so that if one rod rises, the other rod is forced downwardly. In addition, the rods can pivot independently about a lateral axis, but they cannot pivot around the vertical axis. The linear conditioners may be actuated by a piezoelectric member or swept by an arm toward and away from the center of the polishing pad.

REFERENCES:
patent: 4959928 (1990-10-01), Hartwig, Sr.
patent: 5070570 (1991-12-01), Sabo
patent: 5081051 (1992-01-01), Mattingly et al.
patent: 5154021 (1992-10-01), Bombardier et al.
patent: 5167667 (1992-12-01), Prigge et al.
patent: 5216843 (1993-06-01), Breivogel et al.
patent: 5456627 (1995-10-01), Jackson et al.
patent: 5486131 (1996-01-01), Cesna et al.
patent: 5690544 (1997-11-01), Sakurai
Pad Conditioning by Research Disclosure Feb. 1991.

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