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:
Feb. 06, 2007
Filed:
Apr. 21, 2005
Chungchin Shih, Hsin-Chu County, TW;
Chungchin Shih, Hsin-Chu County, TW;
United Microelectronics Corp., Hsin-Chu, TW;
Abstract
The present invention relates to a method of manufacturing a non-volatile memory cell. The method comprises forming an ONO stack and a mask formed on the ONO stack, providing a first etching process to form a first spacer surrounding the mask, removing portions of the first spacer and the ONO stack that are not covered by the first spacer and the ONO stack, forming an electrical connection layer between the masks, forming a second spacer surrounding the mask, removing the second spacer to form a gate and removing the mask and the ONO stack which is under the mask.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile