The general field of the invention is that of rate gyros, of the matter-wave type, allowing the measurement of a speed of rotation in a given direction of measurement. The device utilizes a no-fire separation distance and a mechanical configuration of primary explosivebooster explosive and secondary explosive to establish a safe mode. A vacuum chuck is provided having a top side with a plurality of vacuum chuck portals formed therein. The left side wall facing toward the cover body is provided with an opening, and a side cover is provided to be capable of being fitted to and detached from the opening. For this purpose, each node includes at least one feedback-free connection port.