A light emitting diode includes a transparent substrate, a first type cladding layer, an active layer, a second type cladding layer, and first and second electrodes. As link targeting flexibility is increased, selection may be required from a large number of addressable link pairs. In some embodiments multiple captured images with overlapping image regions are compared to determine if a dirty lens condition exists. The copper interconnect structure additionally comprises an adhesive layer deposited on the barrierseed mixed layer. The filter has a folded filter media made of sintered stainless steel panels which are separated by stainless steel screens that increase the surface area of the filter media exposed to the inlet stream of fluid to be filtered. A third party server site may dynamically control what graphic information, text label, or both is being displayed for that user-selectable button.