Patent ID: 6894584

Claim:
A thin film resonator having an outer loop of conductive element having a first open slot and an inner loop of conductive element having a second open slot and located in the first open slot, wherein: the outer loop being of a rectangular shape comprising a first longer side, a second longer side, a first shorter side and a second shorter side, the first shorter side having a first opening in it; the inner loop being of a rectangular shape comprising a third longer side adjacent to the first longer side of the outer loop, a fourth longer side adjacent to the second longer side of the outer loop, a third shorter side adjacent to the first shorter side of the outer loop, and a fourth shorter side adjacent to the second shorter side of the outer loop, the fourth shorter side having a second opening in it; the inner loop further includes a fifth rectangular strip of conductive element in the second open slot; and the fifth rectangular strip of conductive element is connected to the fourth shorter side of the inner loop.