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. 25, 2004
Filed:
Mar. 14, 2003
Applicant:
Inventors:
Ching-Hsiang Hsu, Hsin-Chu, TW;
Chih-Hsun Chu, Hsin-Chu, TW;
Ming-Chou Ho, Hsin-Chu, TW;
Shih-Jye Shen, Hsin-Chu, TW;
Assignee:
eMemory Technology Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/18247 ;
U.S. Cl.
CPC ...
H01L 2/18247 ;
Abstract
A method for forming an electrically programmable read-only memory(EPROM) includes forming a first p doped region, a second p doped region, and a third p doped region on an N-well, forming a control gate between the first p doped region and the second p doped region, and forming a p floating gate between the second p doped region and the third p doped region.