Power module and method for manufacturing power module

A power module comprising:

• a power wiring line provided with a power element;
• a glass ceramic multilayer substrate provided with a control element to control the power element;
• and
• a highly heat-conductive ceramic substrate made of a ceramic material having higher thermal conductivity than a glass ceramic contained in the glass ceramic multilayer substrate;
• wherein
• the power wiring line is disposed at a same or substantially a same position in a thickness direction of the glass ceramic multilayer substrate as at least one layer of the glass ceramic multilayer substrate;
• the power element is bonded to a first surface of the power wiring line;
• and
• the glass ceramic multilayer substrate and the power wiring line are each disposed directly on a surface of the highly heat-conductive ceramic substrate such that a second surface of the power wiring line is at an interface between the highly heat-conductive ceramic substrate and the glass ceramic multilayer substrate.