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. 20, 2004
Filed:
Oct. 11, 2002
Applicant:
Inventors:
Byoung Kwon Ahn, Seoul, KR;
Dong Soo Park, Kyoungki-do, KR;
Assignee:
Hynix Semiconductor Inc., Kyoungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/18242 ; H01L 2/120 ;
U.S. Cl.
CPC ...
H01L 2/18242 ; H01L 2/120 ;
Abstract
In the capacitor in a semiconductor device, a nitride film is formed over a lower electrode on a semiconductor substrate, and a TaON film is formed over the nitride film. The Al O film is formed over the TaON film, and an upper electrode is formed over the Al O film.