The weak magnetic field sensor 1, in which material of the magnetic layer is selected from {TAIL ~ a group} consisting of {HEAD ~ amorphous metal}, Permalloy and Supermalloy 
The weak magnetic field sensor 1 , in which material of the magnetic layer is selected from { TAIL ~ a group } consisting of { HEAD ~ amorphous metal } , Permalloy and Supermalloy
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH