CAPACITOR AND METHOD FOR PRODUCING THE SAME

Organization Name

Murata Manufacturing Co., Ltd.

Inventor(s)

Naoki Iwaji of Nagaokakyo-shi (JP)

Yuuto Yamamoto of Nagaokakyo-shi (JP)

Isao Kimura of Nagaokakyo-shi (JP)

Akio Masunari of Nagaokakyo-shi (JP)

CAPACITOR AND METHOD FOR PRODUCING THE SAME

This abstract first appeared for US patent application 18942859 titled 'CAPACITOR AND METHOD FOR PRODUCING THE SAME

Original Abstract Submitted

A capacitor that includes: a metal base material; a dielectric layer on the metal base material; a conductive layer on the dielectric layer; an oxide layer between the metal base material and the dielectric layer; and an oxygen barrier layer between the oxide layer and the dielectric layer, wherein the oxide layer includes: a first oxidized region containing a metal of the metal base material; and a second oxidized region containing an atom of the oxygen barrier layer and a metal of the metal base material, and a thickness of the first oxidized region is 3 nm or less and is 0% to 50% of a thickness of the second oxidized region.