Solid-state image pickup device

A solid-state image pickup apparatus comprising:

• a photoelectric conversion element including a first area of a first conductivity type and a second area which is formed in the first area and has a second conductivity type opposite to the first conductivity type;
• a plurality of signal wirings arranged in at least two directions of said second area and positioned adjacent to said second area;
• a light-shielding portion which is formed over said plurality of signal wirings so that said second area is exposed;
• a third area which is formed in contact with at least a portion of an upper surface and a portion of a side surface of said light-shielding portion, said third area having a concave upper surface portion positioned over said second area;
• connection means for forming electrical connections between areas of the image pickup apparatus, said connection means being positioned on a side of the plurality of signal wirings opposite to said second area.

A solid-state image pickup apparatus comprising:

• a plurality of pixels, each pixel comprising a photoelectric conversion element including a first area of a first conductivity type and a second area which is formed in the first area and has a second conductivity type opposite to the first conductivity type, an amplifier transistor for amplifying and outputting a signal output from said photoelectric conversion element, and a reset transistor for supplying a reset signal to a control electrode area of said amplifier transistor;
• an output line for outputting a signal from said amplifier transistor;
• a reset signal wiring for supplying a predetermined signal to a control electrode of said reset transistor;
• and
• a third area which is formed in contact with at least a portion of an upper surface and a portion of a side surface of each of said output line and said reset signal wiring, said third area having a concave upper surface portion positioned over said second area,
• wherein said output line and said reset signal wiring are arranged so as to surround said second area in at least two directions of said second area.

A solid-state image pickup apparatus comprising:

• a plurality of pixels, each pixel comprising a photoelectric conversion element including a first area of a first conductivity type and a second area which is formed in said first area and has a second conductivity type opposite to the first conductivity type, an amplifier transistor for amplifying and outputting signal output from said photoelectric conversion element, and a reset transistor for supplying a reset signal to a control electrode area of said amplifier transistor;
• an output line for outputting a signal from said amplifier transistor;
• a reset signal wiring for supplying a predetermined signal to a control electrode of said reset transistor;
• a light-shielding portion which is formed over said output line and said reset signal line so that said second area is exposed;
• and
• a third area which is formed in contact with at least a portion of an upper surface and a portion of a side surface of said light-shielding portion, said third area having a concave upper surface portion positioned over said second area,
• wherein said output line and said reset signal wiring are arranged so as to surround said second area in at least two directions of said second area.

A solid-state image pickup apparatus comprising:

• a plurality of pixels, each pixel comprising a photoelectric conversion element including a first area of a first conductivity type and a second area which is formed in said first area and has a second conductivity type opposite to the first conductivity type, and a transfer transistor for transferring a signal output from said photoelectric conversion element;
• a transfer wiring for supplying a predetermined signal to a control electrode of said transfer transistor which is formed adjacent to said second area;
• and
• a third area which is formed in contact with at least a portion of an upper surface and a portion of a side surface of said transfer wiring, said third area having a concave upper surface portion positioned over said second area,
• wherein the control electrode of said transfer transistor and said transfer wiring are formed in common so that a control electrode portion of said transfer wiring forms the control electrode of said transfer transistor.

A solid-state image pickup apparatus comprising:

• a plurality of pixels, each pixel comprising a photoelectric conversion element including a first area of a first conductivity type and a second area which is formed in said first area and has a second conductivity type opposite to the first conductivity type, and a transfer transistor for transferring a signal output from said photoelectric conversion element;
• a transfer wiring for supplying a predetermined signal to a control electrode of said transfer transistor which is formed adjacent to said second area,
• a light-shielding portion which is formed over said transfer wiring so that said second area is exposed;
• and
• a third area which is formed in contact with at least a portion of an upper surface and a portion of a side surface of said light-shielding portion, said third area having a concave upper surface portion positioned over said second area,
• wherein the control electrode of said transfer transistor and said transfer wiring are formed in common so that a control electrode portion of said transfer wiring forms the control electrode of said transfer transistor.