A method for joining ceramic bodies by means of an active braze, Assembly with at least two mutually assembled ceramic bodies, in particular the pressure measuring cell

An assembly comprising two ceramic bodies 1, 2 which are connected by means of a joint, which has a active brazing material 5, wherein the active brazing material, a cohesive core volume has, spaced from the ceramic bodies 1, 2 each at least 1 micron, especially at least 2 microns, wherein has the joint boundary layers which adjoin the ceramic body, characterized in that the core volume, which comprises at least 50% of the volume of the joint, free of crystalline phases having a size greater than 6 micrometers, particularly of greater than 4 microns, preferably more than 2 .mu.m.