| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a work from falling in an unstable posture by fixing a plate spring with a grasping member at the upper, by installing the lower so flexible as to be bent by a load of the work during grasping operation, and by grasping the work by the elasticity of the plate spring and nails of the grasping member. SOLUTION: A grasping chip 10 forms a horizontal nail 12 facing the inside and supporting a ball grid array(BGA) package 13 at the lower terminal, and forms a notch 15 for clearance of a plate spring 11 at a lower central part of the grasping chip 10 where the plate spring 11 is bent by a load of grasping operation. Additionally, the plate spring 11 is so fixed with the grasping chip 10 by fixing bolts 14 at the upper part as the terminal to locate at about same position of terminal of nails 12 in an unloaded state, and the lower part is installed so flexible as to be bent by a load form the BGA package 13 as a work during grasping operation to grasp the BGA package 13 by the elasticity of the plate spring 11 and the nails 12.</p> |
