Ceramic material and capacitor comprising the ceramic material

US10217566B2 · kind B2 · utility

Assignee

• EPCOS AG · DE

Inventors

• Günter Engel · Leibnitz, AT
• Michael Schossmann · Hall in Tirol, AT
• Markus Koini · Seiersberg, AT
• Andrea Testino · Aesch, CH
• Christian Hoffmann · Leonberg, DE

Key dates

• Filing date: Feb 29, 2016
• Grant date: Feb 26, 2019
• Expiry date: Dec 13, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2235/449
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A ceramic material for capacitors using multilayer technology of formula (I): Pb(1−1.5a)AaBb(Zr1−xTix)(1−c−d−e−f)CeSicO3+y·PBO wherein A is selected from the group consisting of La, Nd, Y, Eu, Gd, Tb, Dy, Ho, Er and Yb; C is selected from the group consisting of Ni and Cu; and 0<a<0.12, 0.05≤x≤0.3, 0≤c<0.12, 0.001<e<0.12 and 0≤y<1.