that the shear-pin 10 holds the bunk 17, 42 in place under the forces of log loading and unloading. However, the insert 54 is designed so that the forces on the shear-pin 10 during travel will break or shear the insert 54, thus separating the shear-pin 10 into two parts and ...
That is, in the structure shown in FIG. 2, a through hole 2a is formed in the resin substrate 2 at a position on which the IC chip 2 is mounted, and a metal vessel 50 formed by drawing is embedded in the through hole 2a. The IC chip 1 is placed in the vessel 50 to radiate ...