Etching a substrate: processes – Nongaseous phase etching of substrate – Using film of etchant between a stationary surface and a...
Patent
1997-07-15
2000-04-04
Gulakowski, Randy
Etching a substrate: processes
Nongaseous phase etching of substrate
Using film of etchant between a stationary surface and a...
438692, 438693, B44C 122
Patent
active
060457163
ABSTRACT:
Technique including a method 400 and an apparatus 100 for chemical mechanical polishing using a plurality of carrier devices 123 rotatably coupled to a turret means. The apparatus 100 includes a turret and plurality of rotatable polishing surfaces 111 positioned around the turret. The apparatus also includes a plurality of carrier devices 123 rotatably coupled to the turret, where the carrier devices 123 are each adapted to hold a workpiece to be polished on at least one of the rotatable polishing surfaces. Each of the carrier devices is operably independently to each other during a process for chemical mechanical polishing.
REFERENCES:
patent: 5804507 (1998-09-01), Perlov et al.
Trojan Dan
Walsh Thomas
Ahmed Shamim
Gulakowski Randy
Strasbaugh
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