Systems and methods for providing a shared charge in pixelated image detectors
Systems and methods for providing a shared charge in pixelated image detectors are provided. One method includes providing a plurality of pixels for a pixelated solid state photon detector in a configuration such that a charge distribution is detected by at least two pixels and obtaining charge information from the at least two pixels. The method further includes determining a position of an interaction of the charge distribution with the plurality of pixels based on the obtained charge information.
1. A pixelated solid state photon detector comprising:
a semiconductor substrate;
a plurality of anode pixels on one surface of the semiconductor substrate, each of the anode pixels having a stretched length in at least one direction, and further comprising overlapping regions between the anode pixels; and
a cathode on another surface of the semiconductor substrate opposite from the plurality of anode pixels.
2. A pixelated solid state photon detector in accordance with claim 1 further comprising a plurality of rows of the anode pixels having the stretched length.
3. A pixelated solid state photon detector in accordance with claim 1 wherein the overlapping regions comprise a saw-toothed configuration.
4. A pixelated solid state photon detector in accordance with claim 1 wherein the anode pixels having the stretched length are connected in pairs.
5. A pixelated solid state photon detector in accordance with claim 1 wherein the cathode comprises a pixelated cathode.
6. A pixelated solid state photon detector in accordance with claim 1 wherein the plurality of anode pixels are divided into a plurality of sub-pixels.
7. A pixelated solid state photon detector in accordance with claim 6 wherein the plurality of anode pixels are divided into sub-pixels forming generally square shaped anode pixels.
8. A pixelated solid state photon detector in accordance with claim 1 wherein the plurality of anode pixels at least one of shaped or sized to share a charge distribution by at least two of the plurality of anode pixels to determine charge sharing information, the charge sharing information defining a position of an interaction of the charge distribution with the plurality of anode pixels.
9. A pixelated solid state photon detector comprising:
a semiconductor substrate;
a plurality of anode pixels on one surface of the semiconductor substrate, the anode pixels divided into a plurality of sub-pixels, the plurality of anode pixels at least one of shaped or sized to share a charge distribution by at least two of the plurality of anode pixels to determine charge sharing information, the charge sharing information defining a position of an interaction of the charge distribution with the plurality of anode pixels;
a resistive layer adjacent the plurality of anode pixels;
a cathode on another surface of the semiconductor substrate opposite from the plurality of anode pixels.
10. A pixelated solid state photon detector in accordance with claim 9 wherein the cathode comprises a pixelated cathode.
11. A pixelated solid state photon detector in accordance with claim 9 wherein each of the sub-pixels form a generally square shaped anode pixel.
12. A pixelated solid state photon detector in accordance with claim 9 further comprising a plurality of substrate layers divided by a common cathode.
13. A pixelated solid state photon detector in accordance with claim 9 wherein each of the anode pixels are divided into two sub-pixels.
14. A pixelated solid state photon detector in accordance with claim 9 further comprising a steering grid around the plurality of pixels.
15. A pixelated solid state photon detector in accordance with claim 9 wherein the plurality of anode pixels comprise anode pixels interconnected in a plurality of rows and columns.
16. A pixelated solid state photon detector comprising:
a semiconductor substrate;
a plurality of anode pixels on one surface of the semiconductor substrate, the anode pixels having a stretched length in at least one direction, and further comprising overlapping regions between the anode pixels, the overlapping region having a saw-toothed configuration; and
a cathode on another surface of the semiconductor substrate opposite from the plurality of anode pixels.
17. A pixelated solid state photon detector in accordance with claim 16 wherein the overlapping regions are arranged in a two-dimensional configuration.
18. A pixelated solid state photon detector in accordance with claim 16 further comprising a plurality of rows of the anode pixels having the stretched length.
19. A pixelated solid state photon detector in accordance with claim 16 wherein the anode pixels having the stretched length are connected in pairs.
20. A pixelated solid state photon detector in accordance with claim 16 wherein the overlapping regions form a configuration such that a charge distribution is detected by at least two of the plurality of anode pixels to determine charge sharing information, the charge sharing information defining a position of an interaction of the charge distribution with the plurality of anode pixels.