Abstract:
An electrical device which is built in a semiconductor IC for improving reliability is provided to prevent the toxic gas including the steam by diffusing the second intra-membrane and breaking within collaboration. An electrical device(10) comprises a substrate(12), a first film(14), a second film(15), a third film(16), and a fourth film(17). The first film forms collaborations receiving the functional device with substrate. The first film is comprised in order to include a plurality of penetration holes. The second film is comprised in order to coat with a plurality of penetration holes. The second film is formed on the first film. The second film has the gas permeability which is greater than the first film. The third film is comprised in order to be formed on at least, the second film. The third film has the gas permeability smaller than the second film. The fourth film is comprised in order to be formed on the third film. The fourth film has the elasticity which is bigger than the third film.
Abstract:
A switchable capacitor (100) including a first electrode (104), a dielectric layer (110) on the first electrode (104), a second electrode (106) configured to be suspended in an undeflected position over the dielectric layer (110) in a de-activated state, and to deflect toward the first electrode (104) in an activated state in response to a voltage difference between the two electrodes (104,106), a gap between the second electrode (106) and the dielectric layer (110) in the activated state being less than a corresponding gap in the de-activated state, and a capacitor (120) having a first and second end, coupled to one of the electrodes at the first end, and configured to reduce the voltage difference between the electrodes (104,106) as the second electrode (106) deflects toward the first electrode (104) in the activated state, wherein the voltage difference between the electrodes corresponds to a bias voltage applied across the second end of the capacitor (120) and an other one of the first (104) and second (106) electrodes.
Abstract:
A semiconductor device includes a substrate, a first dielectric layer located above the substrate, a moving-gate transducer, and a proof mass. The moving-gate transducer is at least partially formed within the substrate and is at least partially formed within the first dielectric layer. The proof mass includes a portion of the first dielectric layer and a portion of a silicon layer. The silicon layer is located above the first dielectric layer.
Abstract:
Systems, devices, and methods for micro-electro-mechanical system (MEMS) tunable capacitors can include a fixed actuation electrode attached to a substrate, a fixed capacitive electrode attached to the substrate, and a movable component positioned above the substrate and movable with respect to the fixed actuation electrode and the fixed capacitive electrode. The movable component can include a movable actuation electrode positioned above the fixed actuation electrode and a movable capacitive electrode positioned above the fixed capacitive electrode. At least a portion of the movable capacitive electrode can be spaced apart from the fixed capacitive electrode by a first gap, and the movable actuation electrode can be spaced apart from the fixed actuation electrode by a second gap that is larger than the first gap.