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. 22, 2009
Filed:
Jun. 09, 2008
Tatsuo Shimizu, Tokyo, JP;
Hideki Satake, Kanagawa-ken, JP;
Tatsuo Shimizu, Tokyo, JP;
Hideki Satake, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
An electronic device including a semiconductor layer having silicon as a major component; and a dielectric film epitaxially grown directly on a major surface of the semiconductor layer, wherein the dielectric film consists of a dielectric material having a Ruddlesden-Popper type structure, the Ruddlesden-Popper type structure is expressed by a chemical formula ABO, the element A including at least one selected from a group consisting of Ba, Sr, Ca and Mg, a percentage of Mg content in the element A is not larger than 10%, and the element B includes at least one selected from a group consisting of Ti, Zr and Hf.