The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2009
Filed:
Aug. 16, 2007
Applicants:
BO Jiang, Newark, DE (US);
Gregory P. Muldowney, Earleville, MD (US);
Ravichandra V. Palaparthi, Newark, DE (US);
Inventors:
Bo Jiang, Newark, DE (US);
Gregory P. Muldowney, Earleville, MD (US);
Ravichandra V. Palaparthi, Newark, DE (US);
Assignee:
Rohm and Haas Electronic Materials CMP Holdings, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Chemical mechanical polishing pads are provided, wherein the chemical mechanical polishing pads have a polishing layer comprising a polishing texture that exhibits a dimensionless roughness, R, is between 0.01 and 0.75. Also provided are methods of making the chemical mechanical polishing pads and for using them to polish substrates.