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. 12, 2003
Filed:
Jun. 26, 2002
Jae Kap Kim, Kyoungki-do, KR;
Dongbu Electronics Co., Ltd., Seoul, KR;
Abstract
The disclosed semiconductor device includes a semiconductor substrate, a logic circuit area formed on the semiconductor substrate, the logic circuit area includes transistors for driving bit lines, and a ferroelectrics memory area laminated on the logic circuit area and including a transistor area and a capacitor area. Also the disclosed method of fabricating the semiconductor device includes the steps of forming a logic circuit area on a semiconductor substrate, the logic circuit area includes interconnection wirings connected to transistors for driving bit lines, forming bit lines electrically connected to the interconnection wirings at the upper side thereof, forming a silicon film connected to the bit lines at the upper side thereof and defining a cell forming area, forming transistors on the silicon film, each transistor including a gate electrode, a source electrode, and a drain electrode, and forming capacitors electrically connected to the source electrodes at the upper side of the transistor.