The oxide layer 22 has {HEAD ~ a thickness}, for example, in {TAIL ~ a range} of 1000 angstroms to 8000 angstroms 
in
The oxide layer 22 has { HEAD ~ a thickness } , for example , in { TAIL ~ a range } of 1000 angstroms to 8000 angstroms
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH