An implantable cardiac stimulation device is configured to generate multiphasic stimulation pulse waveforms. , for use in a lithographic projection apparatus comprising: a radiation system for supplying a projection beam of radiation; a first object table for holding a mask; a second object table for holding a substrate; a projection system for imaging irradiated portions of the mask onto target portions of the substrate. The base board is a translucent base board made of a polycrystalline ceramic. The pin includes a water flow opening, a first arm opening and a second arm opening and a flip lever having a first arm and a second arm; the first arm opening and the second arm opening of the pin for receiving the first arm and the second arm of the flip lever therein, respectively.