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:
Mar. 17, 2009
Filed:
Oct. 31, 2006
You Wang, Cupertino, CA (US);
Stan D. Tsai, Fremont, CA (US);
Lakshmanan Karuppiah, San Jose, CA (US);
Jie Diao, San Jose, CA (US);
Renhe Jia, Berkeley, CA (US);
Alpay Yilmaz, San Jose, CA (US);
You Wang, Cupertino, CA (US);
Stan D. Tsai, Fremont, CA (US);
Lakshmanan Karuppiah, San Jose, CA (US);
Jie Diao, San Jose, CA (US);
Renhe Jia, Berkeley, CA (US);
Alpay Yilmaz, San Jose, CA (US);
Applied Materials, Inc., Santa Clara, CA (US);
Abstract
A method for conditioning an Ecmp pad is provided. In one embodiment, a method for electrochemically processing a substrate includes the steps of providing an electrical bias voltage between the top surface of the pad assembly and an electrode, and electrochemically removing contaminants from the top surface of the pad.