Besides, transmission loss of high frequency signals is caused by {HEAD ~ neigther} through {TAIL ~ holes} or via holes, and is effectively suppressed 
through
Besides , transmission loss of high frequency signals is caused by { HEAD ~ neigther } through { TAIL ~ holes } or via holes , and is effectively suppressed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH