A method and apparatus for dispensing a unit dose product from a unit dose package is disclosed. In addition, there is no structure like the stoke in the container, the operability for the preheating is improved thus the preheating can be performed effectively. Forming a first interlayer insulating layer onover the etch stop film. An actuator is provided to move each arm assembly along its track from a position where the arm assembly can engage the frameworks when they are in the welding machine and then move them to a position where the grippers can grip the frameworks at the workstation.