Electrostatic discharge protection for modular equipment

摘要

A modular electrical assembly that includes a first enclosure that physically couples to a second enclosure to form a modular stackup arrangement. The first enclosure having a connection to an electrical ground for discharging electrostatic discharge (ESD) energy of ESD events of the modular electrical assembly. The first enclosure configured to enclose first circuitry and comprising at least one generally flat surface to electrically couple to the second enclosure. The second enclosure configured to enclose second circuitry and comprising at least one surface with a plurality of raised contact nodes arranged such that when in contact with the one surface of the first enclosure electrostatic discharge energy is directed over the raised contact nodes to the one surface of the first enclosure for discharging portions of the ESD energy through the electrical ground of the first enclosure.

主权项

1. A modular electrical assembly, comprising:
a modular stackup arrangement of the modular electrical assembly comprising a first enclosure that physically couples to a second enclosure to form the modular stackup arrangement, the first enclosure comprised of a first metal composition and having a connection to an electrical ground for at least discharging electrostatic discharge (ESD) energy of ESD events of the modular electrical assembly; the first enclosure configured to enclose first circuitry and comprising at least one generally flat surface to electrically couple to the second enclosure for at least receiving portions of the ESD energy received at the second enclosure; the second enclosure comprised of a second metal composition and configured to enclose second circuitry and having at least one surface with a plurality of raised contact nodes arranged on the one surface of the second enclosure such that when in contact with the one generally flat surface of the first enclosure, at least the portions of the ESD energy is directed over ones of the raised contact nodes to the one generally flat surface of the first enclosure for discharging the portions of the ESD energy through the electrical ground of the first enclosure, wherein the plurality of raised contact nodes are comprised of a third metal composition different than that of the first and second metal composition.