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. 08, 2012
Filed:
Oct. 23, 2008
Jaroslaw W. Winniczek, Daly City, CA (US);
Robert P. Chebi, San Carlos, CA (US);
Jaroslaw W. Winniczek, Daly City, CA (US);
Robert P. Chebi, San Carlos, CA (US);
Lam Research Corporation, Fremont, CA (US);
Abstract
A method and apparatus for etching a silicon layer through a patterned mask formed thereon are provided. The silicon layer is placed in an etch chamber. An etch gas comprising a fluorine containing gas and an oxygen and hydrogen containing gas is provided into the etch chamber. A plasma is generated from the etch gas and features are etched into the silicon layer using the plasma. The etch gas is then stopped. The plasma may contain OH radicals.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile