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. 14, 2012
Filed:
Mar. 11, 2011
Shih-chang Liu, Alian Township, TW;
Chu-wei Chang, Pingjhen, TW;
Chi-hsin Lo, Zhubei, TW;
Chia-shiung Tsai, Hsin-Chu, TW;
Shih-Chang Liu, Alian Township, TW;
Chu-Wei Chang, Pingjhen, TW;
Chi-Hsin Lo, Zhubei, TW;
Chia-Shiung Tsai, Hsin-Chu, TW;
Taiwan Semiconductor Manufacturing Company, Ltd, Hsin-Chu, TW;
Abstract
A semiconductor structure includes a semiconductor substrate; a tunneling layer on the semiconductor substrate; a source region adjacent the tunneling layer; and a floating gate on the tunneling layer. The floating gate comprises a first edge having an upper portion and a lower portion, wherein the lower portion is recessed from the upper portion. The semiconductor structure further includes a blocking layer on the floating gate, wherein the blocking layer has a first edge facing a same direction as the first edge of the floating gate.