Patent ID: 6384460
Filing Date: 2002-05-07
Classification: H01L,Y02E

Abstract:
The self-aligned metal electrode sensor structure comprising:a substrate comprising electronic circuitry; an interconnect structure adjacent to the substrate, including a conductive interconnect via which passes through the interconnect structure. a sensor adjacent to the interconnect structure, the sensor comprising, a pixel metallization section electrically connected to the interconnect via, having an outer surface and an outer surface area, and a doped layer electrode, having an inner surface adjacent to the outer surface of the pixel metallization section, the entire inner surface of the doped layer electrode being substantially planar, having an inner surface area of the doped layer electrode that is greater than the outer surface area of the pixel metallization section; and a transparent conductive layer adjacent to the sensor; wherein the interconnect via and the transparent conductive layer electrically connect the electronic circuitry to the sensor.