Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
194 words
In a color solid-state imager wherein a group of photoelectric conversion elements for deriving color information and optical information, and a group of CCD shift registers for successively transferring optical signal charges stored in the elements are integrated on an identical semiconductor substrate; a color solid-state imager characterized in that sets of vertical CCD shift registers (6-1, 6-2; 6-3, 6-4), each set consisting of registers electrically insulated and opposing to each other, are periodically arrayed in a horizontal direction, and that transfer gates (13-1, 13-2, 13-3) which belong to the respective photoelectric conversion elements (7-1, 7-2, 7-3, 7-4) are arrayed in an interdigitated pattern, whereby the signal charges of different colors from the adjacent photoelectric conversion elements are sent into the opposing individual vertical CCD shift registers, and that the signal charges of respective colors successively transferred by the vertical CCD shift registers are distributively sent into a plurality of horizontal CCD shift registers (8-1, 8-2, 8-3) which are arranged at ends of the group of vertical CCD shift registers, whereby the signal charges of 1 - 2 colors are provided from output ends (14-1, 14-2, 14-3) of the respective horizontal CCD shift registers.
Claim 2
Dependent Claim
194 words
In a color solid-state imager wherein a group of photoelectric conversion elements for deriving color information and optical information, and a group of CCD shift registers for successively transferring optical signal charges stored in the elements are integrated on an identical semiconductor substrate; a color solid-state imager characterized in that sets of vertical CCD shift registers (6-1, 6-2; 6-3, 6-4), each set consisting of registers electrically insulated and opposing to each other, are periodically arrayed in a horizontal direction, and that transfer gates (13-1, 13-2, 13-3) which belong to the respective photoelectric conversion elements (7-1, 7-2, 7-3, 7-4) are arrayed in an interdigitated pattern, whereby the signal charges of different colors from the adjacent photoelectric conversion elements are sent into the opposing individual vertical CCD shift registers, and that the signal charges of respective colors successively transferred by the vertical CCD shift registers are distributively sent into a plurality of horizontal CCD shift registers (8-1, 8-2, 8-3) which are arranged at ends of the group of vertical CCD shift registers, whereby the signal charges of 1 - 2 colors are provided from output ends (14-1, 14-2, 14-3) of the respective horizontal CCD shift registers.
Claim 3
Dependent Claim
51 words
A color solid-state imager as defined in claim 1, characterized in that a comparatively thick oxide film (20) is formed centrally of, and under, a CCD electrode (19-1, 19-2) which constitutes the vertical CCD shift registers, thereby to form one set of opposing vertical CCD shift registers (6-3, 6-4) insulated electrically.
Claim 4
Dependent Claim
77 words
A color solid-state imager as defined in claim 1, characterized in that an impurity layer (21) identical in conductivity type to the substrate (16) and higher in concentration than said substrate is formed in that part of a major surface of said semiconductor substrate (16) which is centrally of, and under, a CCD electrode (19-1) that constitutes the vertical CCD shift registers, thereby to form one set of opposing vertical CCD shift (6-3, 6-4) registers insulated electrically.