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:
Jan. 09, 2001
Filed:
Oct. 30, 1998
Peter Richard Duncombe, Peekskill, NY (US);
Robert Benjamin Laibowitz, Peekskill, NY (US);
Deborah Ann Neumayer, Danbury, CT (US);
Katherine Lynn Saenger, Ossining, NY (US);
Thomas Mcarraoll Shaw, Peekskill, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Multilayer ferroelectric capacitor structures comprising a ferroelectric film having a combination of different ferroelectric materials or compositions such as strontium bismuth tantalate, strontium bismuth niobate, bismuth titanate, strontium bismuth tantalate niobate, lead zirconate titanate, lead lanthanum zirconate titanate are disclosed. A method of preparing the multilayer ferroelectric film containing at least two different ferroelectric materials and/or more than one composition of ferroelectric material is also disclosed.