| 摘要 |
PURPOSE: To provide a bonding post small in heat fatigue and a selector capable of deciding a front face or a reverse face of a bonding post without erroneous decisions. CONSTITUTION: With the use of a Fe-Ni alloy plate 4 as a mother material, on a side face of a bonding post 1 punched by a press die, a fractured plane (non-glossy part) 2 or a shear face (glossy part) 3 of width 0.3mm or more is formed, to decide a front face or a reverse face by detecting by an optical sensor. |
