Rigid-flex boards to stay as mainstream for midrange applications

Rigid-flex circuit boards are boards that are used in the application using a combination of rigid and flexible board technologies. The most rigid-flex boards are made of several layers of flexible circuit substrates, connected externally and/or internally to one or more rigid boards, depending on the application nature.

A package system (SiP) or System-in - a-package system is a collection of integrated circuits found in one carriag....