| 摘要 |
PURPOSE:To assemble the inner-layer board for a circuit board without breaking the hole of assembling of it, in the stacking and assembling work of it. CONSTITUTION:A plurality of positioning holes 3, which are processed with accuracy about the diameters of holes and the pitches of holes, are provided in the vicinity of a plurality of assembling holes 2 used as the reference holes for stacking and assembling. The positioning hole 3 is used for pulling out the handler inserted into the positioning hole 3 after an assembling pin is inserted into the assembling hole 2. |
