Abstract: An electronic device includes a first circuit board, a second circuit board defining an interface component aperture, and an interposer circuit board defining a walled interface mechanically attaching the first circuit board to the second circuit board. One or more electronic circuit components are positioned within the walled interface and mechanically attached to one of the first circuit board or the second circuit board. An electronic circuit interface component is mechanically attached to the first circuit board within the walled interface and electronically coupled to the one or more electronic circuit components. At least a portion of the electronic circuit interface component extends from the first circuit board through the interface component aperture.

Abstract: An electronic device includes a first circuit board, a second circuit board, and an interposer circuit board. The interposer circuit board defines a walled interface mechanically attaching the first circuit board to the second circuit board. One or more electronic circuit components are positioned within the walled interface and are mechanically attached to one of the first circuit board or the second circuit board. An electronic circuit interface component is mechanically attached to the first circuit board outside the walled interface.