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.:

US 7449401 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 11, 2008

Filed:

Dec. 29, 2005
Applicants:

Tae-woo Jung, Ichon-shi, KR;

Sang-won OH, Ichon-shi, KR;

Inventors:

Tae-Woo Jung, Ichon-shi, KR;

Sang-Won Oh, Ichon-shi, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device with an asymmetric transistor and a method for fabricating the same are provided. The semiconductor device includes: a substrate having a plurality of first active regions, at least one second active region, and a plurality of device isolation regions; gate patterns formed in a step structure over a border region between individual first active regions and second active region, wherein one side of the individual gate pattern is formed over a portion of the individual first active region, and the other side of the individual gate pattern is formed over a portion of the second active region; spacers formed on lateral walls of the gate patterns; first cell junction regions formed in the first active regions, for connecting to storage nodes; and a second cell junction region formed in the second active region, for connecting to a bit line.


Find Patent Forward Citations

Jung, Tae-Woo. (2008). Semiconductor device with asymmetric transistor and method for fabricating the same (U.S. Patent No. 7449401). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7449401

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…