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:
Apr. 06, 1993
Filed:
Dec. 04, 1990
Applicant:
Inventors:
Jae C Om, Taegu, KR;
In S Chung, Kyungki, KR;
Assignee:
Hyundai Electronics Industries Co. Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
437 52 ; 437 47 ; 437 48 ; 437 60 ; 437162 ; 437203 ; 437235 ; 437919 ;
Abstract
A dynamic random access memory device having a SDT cell structure and a dynamic random access memory device having a SDTSAC cell structure together with methods for manufacturing each cell structure are disclosed.