wherein the first metallic material, the second metallic material, {TAIL ~ the outer layer}, and the inner layer provide {HEAD ~ an integrated, double layer susceptor} 
wherein the first metallic material , the second metallic material , { TAIL ~ the outer layer } , and the inner layer provide { HEAD ~ an integrated , double layer susceptor }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD