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:
Aug. 17, 2004
Filed:
Jun. 14, 2002
Applicant:
Inventors:
Josef Willer, Riemerling, DE;
Herbert Palm, Hohenkirchen, DE;
Assignee:
Ingentix GmbH & Co. KG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/9768 ;
U.S. Cl.
CPC ...
H01L 2/9768 ;
Abstract
An integrated memory circuit of the type of an NROM memory includes recessed bit lines formed of a material having a low ohmic resistance. By recessing the bit lines with respect to the semiconductor substrate surface of a peripheral controlling circuit for an array of memory cells allows to form the word line lithography on a perfect or almost perfect plane so that the word line formation results in a production with higher yield and, therefore, lower costs for the individual integrated memory circuit.