Patent ID: 9130071
Filing Date: 2015-09-08
Classification: H01L,H04N

Abstract:
1. A solid-state image sensor comprising: a pixel region including a first active region; a peripheral circuit region including a second active region; an intermediate region including a third active region and arranged between the pixel region and the peripheral circuit region; a first element isolation arranged between the first active region and the third active region; a second element isolation arranged between the second active region and the third active region; a metal compound layer provided in the second active region and the third active region; an interlayer insulating film that covers the first active region, the second active region, and the third active region; a first film arranged between the first active region and the interlayer insulating film; a second film arranged between the second active region and the interlayer insulating film; a first contact plug arranged on the first active region through the interlayer insulating film and the first film; a second contact plug arranged on the second active region through the interlayer insulating film and the second film, the second contact plug contacting the metal compound layer in the second active region, wherein the second film is arranged between the metal compound layer in the third active region and the interlayer insulating film such that the interlayer insulating film does not contact the metal compound layer in the third active region.