A semiconductor device having an inter-layer insulation film that allows a refractory metal to be easily etched and that well covers high side walls of a gold plate and a fabrication method thereof are disclosed. The semiconductor device comprises a semiconductor substrate, a conductive portion formed...http://www.google.com.au/patents/US6208032?utm_source=gb-gplus-sharePatent US6208032 - Semiconductor device and fabrication method thereof
