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:
Dec. 11, 2007
Filed:
Jun. 09, 2005
Tai-bor Wu, Hsinchu, TW;
Cheng-lung Hung, Hsinchu, TW;
Tai-Bor Wu, Hsinchu, TW;
Cheng-Lung Hung, Hsinchu, TW;
National Tsing Hua University, Hsinchu, TW;
Abstract
A ferroelectric material includes a compound of formula (I):(PbBaA)(BZr)O,   (I)wherein 0≦x≦0.1, 0≦y≦0.020, 0.15≦z≦0.35, with the proviso that y≠0 when x=0, and that x≠0, when y=0; and wherein A is a first element having a valence number greater than that of Pb, and B is a second element having a valence number greater than that of Zr. A ferroelectric memory device made from the ferroelectric material is also disclosed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile