{HEAD ~ Passivation layers} are formed and grow on the surfaces of the walls formed between the plurality of micro passageways, thereby forming {TAIL ~ the bodies} 
{ HEAD ~ Passivation layers } are formed and grow on the surfaces of the walls formed between the plurality of micro passageways , thereby forming { TAIL ~ the bodies }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL