公开(公告)号：US20180076379A1

公开(公告)日：2018-03-15

申请号：US15800873

申请日：2017-11-01

Applicant: TDK CORPORATION

Inventor： Katsuyuki KURACHI ,  Hitoshi SAKUMA ,  Yasuhiro AIDA ,  Kazuhiko MAEJIMA ,  Mayumi NAKAJIMA

IPC: H01L41/08 ,  H01L41/047

CPC classification number: H01L41/0815 ,  H01L41/0477

Abstract: A dielectric device has a first electrode film having a non-oriented or amorphous structure, a dielectric film provided on the first electrode film and having a preferentially oriented structure, and a second electrode film provided on the dielectric film and having a non-oriented or amorphous structure.