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:
Jul. 02, 2013
Filed:
Aug. 12, 2010
Applicants:
Jae-kwang Choi, Suwon-si, KR;
Bo-un Yoon, Seoul, KR;
Myung-ki Hong, Seoul, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polishing pad may include a base and a plurality of polishing protrusions on a surface of the base. Each polishing protrusion may include a sidewall defining an opening in a surface of the polishing protrusion opposite the base. In addition, portions of the sidewall opposite the base may define a contact surface.