Structure for pixel sensor cell that collects electrons and...

Details Structure for pixel sensor cell that collects electrons and... Structure for pixel sensor cell that collects electrons and...

2007-09-06

2011-10-18

Nadav, Ori (Department: 2811)

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Charge transfer device

C257S292000

Reexamination Certificate

active

08039875

ABSTRACT:
The present invention relates to a design structure for a pixel sensor cell. The pixel sensor cell approximately doubles the available signal for a given quanta of light. A design structure for a pixel sensor cell having reduced complexity includes an n-type collection well region formed beneath a surface of a substrate for collecting electrons generated by electromagnetic radiation impinging on the pixel sensor cell and a p-type collection well region formed beneath the surface of the substrate for collecting holes generated by the impinging photons. A circuit structure having a first input is coupled to the n-type collection well region and a second input is coupled to the p-type collection well region, wherein an output signal of the pixel sensor cell is the magnitude of the difference of a signal of the first input and a signal of the second input.

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Notice of Allowance: U.S. Appl. No. 12/172,304, Title: “Method of Forming a Pixel Sensor Cell for Collecting Electrons and Holes”, filed Jul. 14, 2008, Date Mailed: Mar. 17, 2009.
Office Action: U.S. Appl. No. 12/172,306, Title: “Pixel Sensor Cell for Collecting Electrons and Holes”, filed Jul. 14, 2008, Date Mailed: Mar. 11, 2009.
Notice of Allowance: U.S. Appl. No. 12/172,309, Title: “Pixel Sensor Cell for Collecting Electrons and Holes”, filed Jul. 14, 2008, Date Mailed: Jan. 27, 2010.
Response to Non-Final Rejection: U.S. Appl. No. 12/172,306, Title: “Pixel Sensor Cell for Collecting Elections and Holes”, filed Jul. 14, 2008, filed Jun. 11, 2009.
Notice of Allowance: U.S. Appl. No. 12/172,306, Title: “Pixel Sensor Cell for Collecting Elections and Holes”, filed Jul. 14, 2008, Date Mailed: Aug. 5, 2009.
Office Action: U.S. Appl. No. 12/172,309, Title: “Pixel Sensor Cell for Collecting Elections and Holes”, filed Jul. 14, 2008, Date Mailed: Jun. 29, 2009.
Response to Non-Final Rejection: U.S. Appl. No. 12/172,309, Title: Pixel Sensor Cell for Collecting Elections and Holes, filed Jul. 14, 2008.
Office Action: U.S. Appl. No. 12/172,305, Title: “Pixel Sensor Cell for Collecting Electrons and Holes”, filed Jul. 14, 2008, Date Mailed Sep. 17, 2010.
Response to Non-Final Rejection: filed Oct. 28, 2010 in: U.S. Appl. No. 12/172,305, Title: “Pixel Sensor Cell for Collecting Electrons and Holes,” filed Jul. 14, 2008.
Notice of Allowance: U.S. Appl. No. 12/172,305, Title: Pixel Sensor Cell for Collecting Electrons and Holes , filed Jul. 14, 2008, Date Mailed: Jan. 7, 2011.

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