CAPACITIVE MATRIX PRESSURE SENSOR Russian patent published in 1994 - IPC

FIELD: aerodynamic tests. SUBSTANCE: sensor has at least three layers of metallized and nonmetallized polyamide films 1-4. Boundary effects in sensor design are eliminated due to 1.26 to 1.83 times increase in dimensions of plate on upper surface of film 4 as compared to those of capacitor plate on its lower surface. Clearance between plates and screen on lower surface is 4.0 to 15.0 times smaller than plate width. Upper capacitor plate on surface of third 4 covers edges of screen by value 3.33 to 0.09 times smaller than clearance between plates and screen on lower surface of third film. EFFECT: improved measurement accuracy and sensitivity. 1 dwg