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:
Jul. 03, 2001
Filed:
Jun. 08, 1998
Applicant:
Inventor:
Kuo-Tung Sung, Hsinchu, TW;
Assignee:
Mosel Vitelic, Inc., Taiwan, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C 2/18247 ;
U.S. Cl.
CPC ...
H01C 2/18247 ;
Abstract
The present invention provides an EPROM and a method for forming the same having increased density. The invention does so by reducing the area required for formation of a contact. Specifically, a storage cell for an electrically programmable read-only memory having a pair of spaced-apart gate structures, with a double wall spacer structure disposed on opposite sides of each gate structure.