Disclosed are pharmaceutical compositions, particularly oral dosage forms, which comprise two or more enteric coating materials, either as a coating or as part of a matrix dosage form, and methods of making and using the same. Each of the plurality of error injection logic blocks corresponds with a respective flash channel. If hermetic, a layer of glass or metal is formed in the surface of the die, and the cap has a layer of glass or metal at a peripheral area so that, when heated, the layers form a hermetic seal. This supporting section is designed to be axially elastic. The operating element is rotatably mounted on an axis on the switch plate. A second screen is position on a top surface of the multi-layer substrate above the component and electrical connection network, this second screen being connected by vias to the external pads.