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Optimization Of The Throughput Of The ACS Motion Controller In The Application Of The Gold Wire Welding Line Machine
- Aug 13, 2017 -

             Welding wire is the basic method of electronic connection between IC and encapsulation. The weld line is considered to be the most cost-effective and flexible connection technology that is used to assemble most semiconductor packages. From the control point of view, the weld line is very challenging, it requires extremely high acceleration, short displacement, and very short stability time, high accuracy, high throughput.Wire Machine

             Welding wire is the basic method of electronic connection between IC and encapsulation. The weld line is considered to be the most cost-effective and flexible connection technology that is used to assemble most semiconductor packages. From the control point of view, the weld line is very challenging, it requires extremely high acceleration, short displacement, and very short stability time, high accuracy, high throughput. A strong control platform must have strict performance. This paper describes why the ACS motion control scheme is most suitable for welding line equipment.Wire Machine

            Wire welding machine can be used metal wire production diameter 13um (0.5mil) connection. The connection is formed by the combination of high temperature, pressure and ultrasonic energy at the end of the Gold line. The appearance of the welder is similar to that of a sewing machine. A one-time tool like noodles, we call it a capillary that generates lines through this thin tube and eventually connects to the semiconductor surface. The A-wire connection is generally divided into 4 stages: 1 The welding bead on the mat (semiconductor surface) in position control mode (2) detects the connection between the bead and the mat of the welding machine, smooth switch to torque control mode during the first connection formation, 3 Once the connection is completed, smooth transition to position control mode, execute a coordinate XYZ movement to the second connection position 4) to form a second connection smooth transition to the torque control mode.Wire Machine