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:
Feb. 19, 2008
Filed:
Jun. 24, 2005
Applicants:
Tai-bor Wu, Hsinchu, TW;
Cheng-lung Hung, Hsinchu, TW;
Inventors:
Tai-Bor Wu, Hsinchu, TW;
Cheng-Lung Hung, Hsinchu, TW;
Assignee:
National Tsing Hua University, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ferroelectric material includes a superlattice structure having lead zirconate layers and barium zirconate layers such that the superlattice structure has remanent polarization exhibiting a linearly positive dependency on a driving voltage.