Patent ID: 7726200

Claim:
A sensor for an airfoil of aircraft, comprising: a sensor capsule having a capsule floor, a protective cover, and a capsule wall extending between the floor and the cover; a measuring element, situated in an interior of the sensor capsule, for measuring an environmental parameter and providing signals; contacts in the sensor capsule to relay the signals provided between the measuring element and contacts in the capsule floor; external contact elements situated on the bottom of the capsule floor and electrically connected to the contacts in the capsule floor; a capsule carrier having a structure which is integratable in an airfoil of an aircraft, for receiving and removably attaching the sensor capsule; and contact elements disposed in the capsule carrier for electrically connecting the external contact elements to the capsule carrier; wherein the measuring element comprises at least two wafers bonded to one another; the wafers are shaved to form a cavity; and the cavity is sealed by a diaphragm.