Furthermore, the semiconductor laser tip 2 and {HEAD ~ the laser driving IC} 6 are mounted to {TAIL ~ the base member} 8 as a unit, and hence compactness is attained 
are mounted to
Furthermore , the semiconductor laser tip 2 and { HEAD ~ the laser driving IC } 6 are mounted to { TAIL ~ the base member } 8 as a unit , and hence compactness is attained
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH