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. 03, 1994
Filed:
Dec. 16, 1992
Applicant:
Inventors:
Wolfgang H Krautschneider, Burlington, VT (US);
Werner M Klingenstein, Kirchheim, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437 52 ; 437 40 ; 437 47 ; 437 60 ; 437200 ; 437904 ; 437915 ;
Abstract
A multistep process is disclosed that provides an economical process for making a gain memory cell array using self-aligned techniques; that provides an integrated diode in the gate stack of the storage transistor; that provides a buried V.sub.DD line to connect the drains of the storage transistors to the power supply; and that provides a buried strap to connect the integrated diode to the source region of the storage transistor.