Patent ID: 6935176
Filing Date: 2005-08-30
Classification: G01P

Abstract:
1. A capacitive dynamic quantity sensor device comprising: a sensor chip including movable electrodes displaceable in a predetermined direction in accordance with application of a dynamical quantity, and stationary electrodes arranged to confront the movable electrodes, on one face side of a semiconductor substrate, to thereby detect the dynamic quantity on the basis of a capacity change accompanying the application of the dynamic quantity between the movable electrodes and the stationary electrodes; and a circuit chip for processing an output signal from the sensor chip, wherein the movable electrodes are arrayed in plurality, wherein the stationary electrodes are arrayed in plurality to confront the movable electrodes, wherein one face of the sensor chip and the circuit chip are arranged to confront each other, and wherein each of the stationary electrodes has a stationary electrode pad with a bump formed thereon to electrically connect with the circuit chip.