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.

Date of Patent:
Dec. 05, 2023

Filed:

Mar. 25, 2020
Applicant:

Rohm and Haas Electronic Materials Cmp Holdings, Inc., Newark, DE (US);

Inventors:

John R. McCormick, Exton, PA (US);

Bryan E. Barton, Lincoln University, PA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B 37/26 (2012.01); B24B 37/22 (2012.01);
U.S. Cl.
CPC ...
B24B 37/26 (2013.01); B24B 37/22 (2013.01);
Abstract

A polishing pad useful in chemical mechanical polishing can comprise a base pad having a top surface and surface, a plurality of polishing elements each having a top polishing surface and a bottom surface, and wherein each of the plurality of polishing elements is connected to the top surface of the base pad to the polishing element by three or more supports wherein the bottom surface of the polishing element, the top surface of the base pad and the supports define a region comprising at least one void and there are openings between the three or more supports. Such pad can be used in a method by providing a substrate and polishing the substrate with the pad, optionally, with a polishing medium.


Find Patent Forward Citations

McCormick, John. (2023). Cmp polishing pad with polishing elements on supports (U.S. Patent No. 11833638). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11833638

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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