Abrading – Machine – Rotary tool
Patent
1994-12-06
1996-08-27
Meislin, D. S.
Abrading
Machine
Rotary tool
451288, B24B 700, B24B 1700
Patent
active
055495117
ABSTRACT:
A chemical mechanical planarization tool and method are presented employing a non-linear motion of the carrier arm relative to the polishing pad. The non-linear motion of the carrier arm relative to the polishing pad can be accomplished in a variety of ways, for example, employing a mechanical template having an irregular opening or programming the carrier displacement mechanism to move the carrier in an irregular, non-rotational X-Y path over the polishing pad.
REFERENCES:
patent: 4593495 (1986-06-01), Kawakami et al.
patent: 5234867 (1993-08-01), Schultz et al.
patent: 5267418 (1993-12-01), Currie et al.
patent: 5421769 (1995-06-01), Schultz et al.
Cronin John E.
Rutten Matthew J.
Banks Derris
International Business Machines - Corporation
Meislin D. S.
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