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:
Jul. 31, 2007
Filed:
Sep. 26, 2003
Applicants:
Shi-woo Rhee, Pohang-si, KR;
Sang-woo Kang, Seoul, KR;
Inventors:
Shi-Woo Rhee, Pohang-si, KR;
Sang-Woo Kang, Seoul, KR;
Assignee:
Postech Foundation, , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); C23C 16/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bismuth yttrium titanate (BYT) film having the composition of formula (I) has enhanced residual polarization and electric fatigue properties with excellent ferroelectric property, and therefore, it can be advantageously used in an electric or electronic device including a FRAM device:BiYTiO  (I)wherein x is an integer of 0.1 to 2.