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:
Sep. 18, 2012
Filed:
Apr. 26, 2011
Nathan R. Brown, Cedar Park, TX (US);
Nathan R. Brown, Cedar Park, TX (US);
Round Rock Research, LLC, Mt. Kisco, NY (US);
Abstract
An apparatus for applying different amounts of pressure to different locations of a semiconductor device structure or other substrate during polishing thereof. The apparatus is configured to be associated with a wafer carrier of a polishing apparatus and includes pressurization structures configured to individually apply pressure to a major surface of the semiconductor device structure during polishing thereof. Systems including the pressure application apparatus, as well as differential pressure application methods and polishing methods are also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile