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:
Jan. 30, 2001
Filed:
Aug. 12, 1997
Applicant:
Inventors:
Cheol-seong Hwang, Kyungki-do, KR;
Byoung-taek Lee, Kyungki-do, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/994 ; H01L 2/945 ;
U.S. Cl.
CPC ...
H01L 2/994 ; H01L 2/945 ;
Abstract
A microelectronic device includes an insulating layer on a microelectronic substrate wherein the insulating layer has a contact hole therein exposing a portion of the microelectronic substrate. A first capacitor electrode is provided on a surface of the insulating layer opposite the microelectronic substrate and adjacent the contact hole wherein a lower portion of the first capacitor electrode extends into the contact hole below the surface of the insulating layer. A ferroelectric layer is provided on the first capacitor electrode, and a second capacitor electrode is provided on the ferroelectric layer. Related methods and memory devices are also discussed.