Abrading – Rigid tool – Rotary disk
Reexamination Certificate
2005-03-22
2005-03-22
Hail, III, Joseph J. (Department: 3723)
Abrading
Rigid tool
Rotary disk
C451S041000, C451S298000, C451S409000, C051S298000, C216S052000
Reexamination Certificate
active
06869350
ABSTRACT:
This invention describes improved polishing pads useful in the manufacture of semiconductor devices or the like. The pads of the present invention have an advantageous hydrophilic polishing material and have an innovative surface topography and texture which generally improves predictability and polishing performance.
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Cook Lee Melbourne
James David B.
Roberts John H. V.
Biederman Blake T.
Hail III Joseph J.
Kluger Joan Taft
Ojini Anthony
Rohm and Haas Electronic Materials CMP Holdings Inc.
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