In the construction shown in FIG 24B, an elastically deformable part 72 is formed at {HEAD ~ that end} of the contact pin 30 which is connected to {TAIL ~ the test board} 23 
is connected to
In the construction shown in FIG 24B , an elastically deformable part 72 is formed at { HEAD ~ that end } of the contact pin 30 which is connected to { TAIL ~ the test board } 23
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH