Abutting edges of the individual material layers extend in the direction of the resonator body axis and the abutting edges of the individual material layers are offset relative to each other in {HEAD ~ circumferential direction} of {TAIL ~ the hollow cylinder} 
of
Abutting edges of the individual material layers extend in the direction of the resonator body axis and the abutting edges of the individual material layers are offset relative to each other in { HEAD ~ circumferential direction } of { TAIL ~ the hollow cylinder }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL