Patent ID: 6266110
Filing Date: 2001-07-24
Classification: G02F,H01L

Abstract:
A semiconductor device for driving reflection type liquid crystal comprising:at least one wiring layer, except an uppermost wiring layer, wherein a dummy wiring is provided at a wiring spacing whose interval is greater than 2S+L, wherein S is a minimum wiring spacing and L is a minimum wiring width,the uppermost wiring layer having at least a bottom surface thereof formed of Ti, TiN or TiW; andan uppermost via hole that connects the uppermost wiring layer and a lower wiring layer, wherein the uppermost via hole is filled with the uppermost wiring layer and another metal thereon and the another metal is filled to substantially the same height as the uppermost wiring layer; anda reflection type liquid crystal unit arranged on the semiconductor chip and driven by the semiconductor chip;wherein said uppermost wiring layer comprises at least one of TiN and TiW formed on the bottom surface which is made of Ti.