Ceramic body with embedded capacitor

A device, comprising:

• a ceramic body composed of a ceramic material;
• a first capacitor within the ceramic body;
• a first conductive trace;
• and
• a second conductive trace,
• the first capacitor comprising:
• one or more dielectric ceramic layers;
• two or more metallic electrodes;
• a first metallic terminal;
• and
• a second metallic terminal,
• the metallic electrodes alternating with the dielectric ceramic layers,
• each of the dielectric ceramic layers having a thickness between 1 and 75 microns,
• each of the metallic electrodes having a thickness between 0.1 and 50 microns,
• the metallic electrodes being connected alternately to:
• the first metallic terminal;
• and
• the second metallic terminal,
• the first metallic terminal being connected to the first conductive trace,
• the second metallic terminal being connected to the second conductive trace,
• the first capacitor having a volume of at most 10% of a volume of the ceramic body,
• wherein the ceramic body and the dielectric ceramic layers are both composed of between 40 vol % and 75 vol % ceramic particles in a matrix.

An article, comprising:

• a layered body;
• a first metallic conductive trace, on the layered body;
• and
• a second metallic conductive trace, on the layered body,
• the layered body comprising:
• a plurality of first layers;
• a plurality of second layers;
• and
• a plurality of third layers,
• wherein:
• each of the first layers has a thickness of between 1 micron and 75 microns, and comprises a first polymer and between 20 vol % and 50 vol % particles of a first ceramic;
• each of the second layers has a thickness of between 1 micron and 75 microns, and comprises a second polymer and between 20 vol % and 50 vol % particles of a second ceramic;
• each of the third layers has a thickness of between 0.1 microns and 50 microns and comprises a first region and a second region;
• each of the third layers comprises, within the first region of the third layer, a third polymer or a solvent and between 40 vol % and 100 vol % metallic particles having a thickness between 0.1 and 50 microns;
• alternating first regions are connected to a first metallic terminal and a second metallic terminal;
• the first metallic terminal extends through one or more of the second layers;
• and
• the second metallic terminal extends through one or more of the second layers.