| 摘要 |
PURPOSE:To obtain a test head use jig which can be attached and detached to and from a test head, by clamping and fixing an IC socket board to a spring pin contact member, through a holding plate between a clamping body and the IC socket board. CONSTITUTION:When attaching and detaching a test head use jig 100 to and from a test head 10, when the tip of a guide post 132 is aligned with a guide post receptacle 16 and a spring contact ring 102 is depressed, the guide post 132 is fitted into the receptacle 16. A relation position of the ring 102 and a contact board 14 is aligned correctly, and the lower end of the ring 102 and a contact of the board 14 corresponding to it contact each other. Subsequently, a fitting screw 134 is turned by a lug part 134A, a screw part 134B is screwed into a fitting screw hole 16B, and the ring 102 is fixed to the board 14. A holding ring 106 is detained to a supporting plate 113 by a notch, therefore, it does not rotate when a clamping ring 108 is rotating. In such a way, the jig 100 which can be attached and detached to and from the head 10 can be obtained.
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