A magnetic wrap around shield can then be formed over the non magnetic bump, so that {HEAD ~ the bump} forms {TAIL ~ a wrap around magnetic shield} having a tapered stepped feature 
forms
A magnetic wrap around shield can then be formed over the non magnetic bump , so that { HEAD ~ the bump } forms { TAIL ~ a wrap around magnetic shield } having a tapered stepped feature
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 TAIL TAIL OTH OTH OTH OTH OTH