preparing a lead frame including a first die pad portion, a second die pad portion, and outer leads provided in {HEAD ~ a manner} corresponding to {TAIL ~ the first and second die pad portions} 
corresponding to
preparing a lead frame including a first die pad portion , a second die pad portion , and outer leads provided in { HEAD ~ a manner } corresponding to { TAIL ~ the first and second die pad portions }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL