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:
Sep. 02, 2003
Filed:
Jan. 22, 2002
Applicant:
Inventors:
Wolfgang Rösner, Ottobrunn, DE;
Thomas Schulz, München, DE;
Lothar Risch, Neubiberg, DE;
Ties Ramcke, München, DE;
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/9788 ;
U.S. Cl.
CPC ...
H01L 2/9788 ;
Abstract
A nonvolatile semiconductor memory cell includes a transistor component formed on a substrate and a storage node that determines the switching state of the transistor component. The storage node is arranged near a control gate electrode. The storage node has a group of vertically oriented column structures having at least two semiconductor layer zones and an insulating layer zone situated between the two semiconductor layer zones.