Patent ID: 7545016

Claim:
An integrated layer stack arrangement comprising: a plurality of layer stacks arranged one above the other, each layer of the plurality of layer stacks comprising a metal layer and a dielectric layer; at least one integrated photodiode integrated into the plurality of layer stacks; a trench arranged above the photodiode comprising a bottom and a set of walls, the trench extending through at least a portion of the plurality of layer stacks, so that light impinging on the plurality of layer stacks impinges on the integrated photodiode along the trench; a first passivation partial layer applied on the plurality of layer stacks; and a second passivation partial layer applied on the first passivation partial layer, the bottom of the trench and the set of walls of the trench; wherein only the second passivation partial layer covers the bottom of the trench and the set of walls of the trench.