Dielectric Composition, Dielectric Element, Electronic Component and Laminated Electronic Component

Patent metadata

Field	Value
Publication number	US-2017190627-A1
Application number	US-201515510623-A
Country	US
Kind code	A1
Filing date	Sep 8, 2015
Priority date	Sep 12, 2014
Publication date	Jul 6, 2017
Grant date	—

Abstract

A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In various embodiment, the dielectric composition includes a main component represented by (Bi a Na b Sr c Ln d )TiO 3 , wherein Ln is at least one element selected from the group consisting of: La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho and Yb, and wherein a, b, c and d satisfy the following: 0<a<0.50, 0<b<0.50, 0<c≦0.80, 0<d≦0.20, and 0.90≦a+b+c+d≦1.05.

First claim

1 - 5 . (canceled)

6 . A dielectric composition comprising:
a main component represented by (Bi a Na b Sr c Ln d )TiO 3 , wherein Ln is at least one element selected from the group consisting of: La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho and Yb, and wherein a, b, c and d satisfy the following: 0<a<0.50, 0<b<0.50, 0<c≦0.80, 0<d≦0.20, and 0.90≦a+b+c+d≦1.05.

7 . The dielectric composition as claimed in claim 6 , wherein a, b, c and d satisfy the following: 0.05<a≦0.40, 0.05<b≦0.40, 0<c≦0.70, 0<d≦0.10, and 0.90≦a+b+c+d≦1.05.

8 . A dielectric element comprising the dielectric composition as claimed in claim 6 .

9 . An electronic component with a dielectric layer comprising the dielectric composition as claimed in claim 6 .

10 . A laminated electronic component having a laminated portion formed by alternately laminating an internal electrode layer and a dielectric layer comprising the dielectric composition as claimed in claim 6 .

11 . A dielectric composition comprising:
a main component represented by (Bi a Na b Sr c Ln d )TiO 3 , wherein Ln is at least one element selected from the group consisting of: Ce, Pr, Eu, Gd, Tb, Dy, Ho and Yb, and wherein a, b, c and d satisfy the following: 0<a<0.50, 0<b<0.50, 0<c≦0.80, 0<d≦0.20, and 0.90≦a+b+c+d≦ 1 . 05 .

Assignees

• Epcos Ag

Inventors

• Tauchi Goushi

Classifications

• C04B2235/3227

  Lanthanum oxide or oxide-forming salts thereof · CPC title

• C04B2235/77

  Density · CPC title

• C04B35/62645

  Thermal treatment of powders or mixtures thereof other than sintering · CPC title

• C04B2235/3213

  Strontium oxides or oxide-forming salts thereof · CPC title

• C04B2235/3298

  Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate · CPC title