US 2017/0323727 A1 · LAYERED CERAMIC CAPACITOR

Abstract

Object: A layered ceramic capacitor having an increased breakdown voltage is provided. Resolution means: The layered ceramic capacitor includes an effective dielectric portion (9) and cover layers (11). The effective dielectric portion (9) includes dielectric ceramic layers (5) and internal electrode layers (7) that are alternately stacked. The cover layers (11) are made of ceramic material and disposed on top and bottom surfaces of the effective dielectric portion (9). The cover layers (11) include ceramic particles (13), which constitute the majority of the cover layers, and include glass particles (15). Some of the glass particles (15) are present in gaps (17), which are formed between the ceramic particles (13).

Claims7

Dependent claims

A layered ceramic capacitor comprising:

an effective dielectric portion comprising dielectric ceramic layers and internal electrode layers that are alternately stacked;
and
cover layers comprising a cover layer on a top surface and a cover layer on a bottom surface of the effective dielectric portion,
the cover layers comprising:
ceramic particles constituting a majority of the cover layers;
and
glass particles, some of the glass particles being present in gaps formed between the ceramic particles.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/528,857Filed 26 Nov 2015

Priority

JP 2014-24171028 Nov 2014

Published

9 Nov 2017

Term ends

Not estimatedThe source records don’t support an estimate.

Classification8 codes

H01G 4/30
Fixed capacitors; Processes of their manufacture: stacked capacitors
H01G 4/012
Electrodes: form of non-self-supporting electrodes
H01G 4/12
Inorganic dielectrics: ceramic dielectrics
H01G 4/1209
Ceramic dielectrics: characterised by the ceramic dielectric material

Layered ceramic capacitor

Life of this patent

Layered ceramic capacitor

Life of this patent

Abstract

Claims7