Patent ID: 6133954
Filing Date: 2000-10-17
Classification: H01L,H04N

Abstract:
An integrated circuit color camera chip which functions as an image detector system, said single semiconductor, integrated circuit chip including an image detector system being formed in a region of a single semiconductor chip comprising:said single semiconductor, integrated circuit chip including an entire color camera formed of integrated circuits,said integrated circuits in said semiconductor chip including a two-dimensional array of rows and columns of color detector cells each having a surface, with said color detector cells formed in said semiconductor chip, a plurality of passband filter means for selectively detecting electromagnetic radiation within a plurality of bands of electromagnetic information, with each of said passband filter means being formed on a said surface of a corresponding one of said detector cells on said semiconductor chip,each of said detector cells in said single semiconductor, integrated circuit chip having a photodiode formed in said chip, a precharge control transistor, and a sensing control transistor formed in said chip for writing signals to and reading signals from said photodiode,each of said cells comprising a photodiode with a common drain region in said substrate, said common drain region being shared by said precharge control transistor, said sensing control transistor, and said diode between a set of said gate electrodes of said precharge control transistor, said sensing control transistor, and a pair of source regions formed in said substrate adjacent to said gate electrodes on the distal side thereof from said common drain region, with said drain region and said chip forming a PN photodiode on said single integrated circuit semiconductor chip,each of said cells in said chip including means for sensing incident electromagnetic radiation of a plurality of predetermined ranges of electromagnetic wavelengths by virtue of associated passband filter means for said wavelength formed on said single semiconductor, integrated circuit chip over said photodiodes on said integrated circuit, with said filter means on said single semiconductor, integrated circuit chip having a diversity of passbands associated with different cells in a group, wherein said circuit is implemented in a technology selected from the group consisting of CMOS, PMOS, NMOS, BiCMOS and BiMOS technologies.