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.

Date of Patent:
May. 09, 2006

Filed:

Feb. 13, 2004
Applicants:

Hiroshi Funakubo, Kanagawa, JP;

Takashi Iijima, Ibaraki, JP;

Shintaro Yokoyama, Tokyo, JP;

Hirofumi Matsuda, Ibaraki, JP;

Inventors:

Hiroshi Funakubo, Kanagawa, JP;

Takashi Iijima, Ibaraki, JP;

Shintaro Yokoyama, Tokyo, JP;

Hirofumi Matsuda, Ibaraki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/187 (2006.01); H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lead zirconate titanate-based thin film is an epitaxial crystal thin film and has a chemical composition represented by the general formula PbLnZrTiO(wherein Ln represents any one selected from the group consisting of lanthanum, lanthanoid elements, niobium, calcium, barium, strontium, iron, manganese and tin; and 0≦x<1, 0.43≦y≦0.65) and whose orientation is {111} (including orientations whose tilt angle from the direction perpendicular to the substrate surface is within 15°).


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