Radiation detecting pixel array signal routing
View Patent ↗An embodiment of the invention includes a radiation detecting pixel array. The radiation detecting pixel array includes a substrate, a plurality of radiation detecting pixels arranged in a grid pattern on the substrate, a signal routing array embedded within the substrate in operative communication with the plurality of radiation detecting pixels, and at least two symmetrical communication channels arranged on each of two sides of the grid pattern. The signal routing array is formed of communication channels configured to provide operative communication between any of the plurality of radiation detecting pixels and each of the at least two symmetrical communication channels.
1. A pixellated radiation detector module, comprising:
a package or module substrate;
a pixellated radiation detector on the substrate, said pixilated radiation detector comprising a plurality of radiation detector pixels arranged in a grid pattern; and
a readout ASIC in communication with the pixellated radiation detector;
wherein, a symmetrical signal routing array is embedded within the substrate to connect each pixel of the pixellated radiation detector to one readout channel within the readout ASIC, and
the readout channels in the ASIC are divided into at least two symmetrical groups, the signal routing array is formed of communication channels configured to connect neighboring pixels of the plurality of radiation detector pixels to a different group of the at least two symmetrical readout channels.
2. The radiation detecting pixel array of claim 1 , wherein the substrate is comprised of a ceramic, plastic, Teflon®, or an insulator.
3. The radiation detecting pixel array of claim 1 , wherein the pixellated radiation detector is comprised of a Cadmium Telluride (CdTe/CZT) semiconductor material or a semiconductor material.
4. The radiation detecting pixel array of claim 1 , wherein the plurality of radiation detecting pixels are configured to detect gamma radiation.
5. The radiation detecting pixel array of claim 1 , wherein the symmetrical signal routing array is embedded beneath the plurality of radiation detecting pixels in a grid pattern matching the grid pattern of the plurality of radiation detecting pixels.
6. The radiation detecting pixel array of claim 1 , wherein the signal routing array is embedded beneath the plurality of radiation detecting pixels in a grid pattern configured to provide signal communication between neighboring pixels of the plurality of radiation detecting pixels and different sides of the grid pattern in response to a radiation interaction event.
7. The radiation detecting pixel array of claim 1 , wherein the signal routing array is embedded beneath the plurality of radiation detecting pixels in a grid pattern configured to provide signal communication between neighboring pixels of the plurality of radiation detecting pixels and a different channel of each of the at least two symmetrical communication channels in response to a radiation interaction event.
8. The radiation detecting pixel array of claim 1 , wherein the at least two communication channels are in operative communication with a plurality of analog-to-digital converters (ADC).
9. The radiation detecting pixel array of claim 1 , wherein the at least two communication channels are in operative communication with a radiation detection module.
10. The radiation detecting pixel array of claim 9 , wherein the radiation detection module includes an ASIC chip architecture configured to process anode signals from any of the plurality of radiation detecting pixels in response to a radiation interaction event.
11. The radiation detecting pixel array of claim 9 , wherein the radiation detecting module is in operative communication with an output device.
12. The radiation detecting pixel array of claim 11 , wherein the output device is a display device, an audio device, or a computer.
13. The radiation detecting pixel array of claim 11 , wherein the output device is configured to output the direction, flux, energy, and isotope of detected radiation in response to a radiation interaction event.
14. The radiation detecting pixel array of claim 11 , wherein the output device is configure to provide one of the direction, flux, energy, and isotope of detected radiation in response to a radiation interaction event.
15. A radiation detecting apparatus, comprising:
a radiation detecting pixel array comprising a plurality of radiation detecting pixels arranged in a grid pattern;
a radiation detector module in operative communication with the radiation detecting pixel array through at least two symmetrical communication channels; and
an output device in operative communication with the radiation detector module; wherein:
the at least two symmetrical communications channels are arranged on each of two sides of the radiation detecting pixel array; and
the at least two symmetrical communication channels are configured to provide anode pixel signals from any pixel of the radiation detecting pixel array to the radiation detector module.
16. The radiation detecting apparatus of claim 15 , wherein the radiation detecting pixel array includes:
a package or module substrate;
a pixellated radiation detector on the substrate; and
a readout ASIC in communication with the pixellated radiation detector;
wherein, a symmetrical signal routing array is embedded within the substrate to connect each pixel of the pixellated radiation detector to one readout channel within the readout ASIC, and
the readout channels in the ASIC are divided into at least two symmetrical groups, the signal routing array is formed of communication channels configured to connect neighboring pixels of the plurality of radiation detector pixels to a different group of the at least two symmetrical readout channels.
17. The radiation detecting apparatus of claim 16 , wherein the radiation detection module includes an ASIC chip architecture configured to process anode signals from any of the plurality of radiation detecting pixels in response to a radiation interaction event.
18. The radiation detecting apparatus of claim 16 , wherein the signal routing array is embedded beneath the plurality of radiation detecting pixels in a grid pattern configured to provide signal communication between neighboring pixels of the plurality of radiation detecting pixels and a different channel of each of the at least two symmetrical communication channels in response to a radiation interaction event.
19. The radiation detecting apparatus of claim 16 , wherein
the radiation detecting module is in operative communication with an output device;
the output device is a display device; and
the output device is configured to output the direction, flux, energy, and isotope of detected radiation in response to a radiation interaction event.