An imaging sensor comprising a plurality of pixels is provided. A knitted cloth includes a first side having a plurality of loops and a second side bonded to an outer face of the first knitted cloth. A P-type FET includes a second N-type buried layer and the P-type epitaxial layer disposed in the P-type substrate. If this calculated ratio exceeds a predetermined threshold, then virus scanning may be terminated. This extension permits a practitioner to clip away obstructed portions of the second capillary. Above the etch stop layer, a dielectric layer is deposited and is patterned so as to form contact holes.