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