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. 12, 2015
Filed:
Aug. 27, 2013
Applicant:
United Microelectronics Corp., Hsinchu, TW;
Inventors:
Ze-Wei Jhou, Hsinchu County, TW;
Ching-Chung Yang, Hsinchu, TW;
Assignee:
United Microelectronics Corp., Hsinchu, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/788 (2006.01); H01L 29/78 (2006.01); H01L 29/66 (2006.01);
U.S. Cl.
CPC ...
H01L 29/7889 (2013.01); H01L 29/788 (2013.01); H01L 29/7831 (2013.01); H01L 29/66825 (2013.01);
Abstract
A programmable device and a method of manufacturing the same are provided. A programmable device comprises a substrate having a source region, a drain region and a diffusion region adjacent to the source region and the drain region; a channel coupling the source region and the drain region; a floating gate formed of a conductive material and positioned on the substrate and corresponding to the channel; and a trench formed in the diffusion region at the substrate, wherein the floating gate extends to the trench, and the conductive material covers a sidewall of the trench.