ELECTRONIC UNIT Russian patent published in 2003 - IPC

FIELD: electronic units for apparatuses liable to heavy mechanical impacts. SUBSTANCE: electronic unit liable to acceleration due to thrust of rocket engines and shots has package of printed-circuit boards carrying radio components and shields separating printed-circuit boards and joined to them by means of fastening frames and rods; shields are made in the form of arches pre-stressed in direction opposing that of overload action, arches with central bore and seats made on convex surfaces of arches and meant to mount radio components set on adhesive. Radial slots and central bore coaxial to that of arches are made in boards between rods. Fastening frame is provided with bushing disposed in central bore of arches and boards. EFFECT: enhanced operating reliability at overloads; reduced mass. 1 cl, 2 dwg