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:
Aug. 24, 2004
Filed:
Mar. 08, 2001
Hiroshi Moriya, Chiyoda, JP;
Tomio Iwasaki, Tsukuba, JP;
Hiroyuki Ohta, Tsuchiura, JP;
Shinpei Iijima, Akishima, JP;
Isamu Asano, Iruma, JP;
Yuzuru Ohji, Hinode, JP;
Yoshitaka Nakamura, Oume, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A semiconductor device equipped with information storage capacitor comprising a first capacitor electrode, an oxide film, a second capacitor electrode and insulating films containing silicon as a main constituting element, wherein at least one of first and second capacitor electrodes contains as a main constituting element at least one element selected from rhodium, ruthenium, iridium, osmium and platinum, and as an adding element at least one element selected from palladium, nickel, cobalt and titanium, is excellent in adhesiveness between the capacitor electrodes and the insulating films.