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. 08, 2002
Filed:
Jul. 07, 1999
Applicant:
Inventor:
Dong-jin Jung, Suwon, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/976 ; H01L 2/994 ; H01L 3/1062 ; H01L 3/1113 ; H01L 3/1119 ;
U.S. Cl.
CPC ...
H01L 2/976 ; H01L 2/994 ; H01L 3/1062 ; H01L 3/1113 ; H01L 3/1119 ;
Abstract
A ferroelectric capacitor with a multilayer ferroelectric film to prevent degradation of its ferromagnetic characteristics, wherein the ferroelectric film is made of a lower layer of PZT or PLZT formed on a lower electrode and an upper, titanium rich, layer of PZT, PLZT, or PbTiO , an upper electrode formed on the upper layer of the ferroelectric film and a protective layer formed to cover the ferroelectric capacitor.