A feedthrough device having a ground wire that is coupled to both a metallic ferrule and to an insulating material and methods of making the device are provided. A conical spring washer is joined andor sealed to an actuator base to form the actuator. The image frames are converted to a drive signal comprising refresh frames with a refresh frame period shorter than the image frame period. Application developers also have the option of providing per-instance icons for each instance of an object. The electrical connector does not need to be disposed between the chip module and the external PCB, thereby reducing the manufacturing cost of the chip module.