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:
Dec. 27, 2005
Filed:
Nov. 09, 2004
Applicants:
Franz Hofmann, Munich, DE;
Michael Specht, Munich, DE;
Inventors:
Franz Hofmann, Munich, DE;
Michael Specht, Munich, DE;
Assignee:
Infenion Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L029/788 ; H01L021/336 ;
U.S. Cl.
CPC ...
Abstract
Memory cells, formed as trench transistors, having a respective floating gate electrode and a control gate electrode at a trench wall above a channel region between doped regions for source and drain are provided with a gate electrode arranged in a further trench, via which gate electrode the channel region present in a semiconductor ridge between the trenches can additionally be driven.