Detecting position of ionizing radiation

A method for detecting a position of an ionizing radiation, comprising:

• providing a radiation detector, comprising:
• disposing a top edge of each of a plurality of cathode films of the radiation detector on a detection plane;
• positioning a plurality of anode strips sets of the radiation detector by:
• equally spacing respective anode strips in each respective anode strips set of the plurality of anode strips sets on a respective anode plane of a plurality of anode planes;
• disposing each respective anode strips set of the plurality of anode strips sets between a respective pair of adjacent cathode films of the plurality of cathode films;
• and
• disposing a top edge of each of the plurality of anode strips sets on the detection plane;
• positioning a plurality of insulator films of the radiation pattern by:
• disposing each of the plurality of insulator films between a respective cathode film of the plurality of cathode films and a respective anode strips set of the plurality of anode strips sets, each of the plurality of insulator films in contact with a respective cathode film of the plurality of cathode films and a respective anode strips set of the plurality of anode strips sets;
• and
• disposing a top edge of each of the plurality of insulator films on the detection plane;
• and
• generating a drift region between a conductive grid of the radiation detector and the detection plane by disposing the conductive grid in parallel with the detection plane;
• filling the drift region with a gas;
• exposing the conductive grid to the ionizing radiation;
• ionizing the gas by generating an electric field inside the drift region responsive to:
• application of a first electric potential on each of the plurality of cathode films;
• application of a second electric potential larger than the first electric potential on each anode strip of the plurality of anode strips sets;
• and
• application of a third electric potential smaller than the first electric potential on the conductive grid;
• extracting a plurality of electric pulses from the plurality of anode strips sets utilizing a charge-sensitive preamplifier;
• and
• obtaining a position of the ionizing radiation based on the plurality of electric pulses utilizing a pulse height analyzer.

A radiation detector comprising:

• a plurality of cathode films, a top edge of each of the plurality of cathode films disposed on a detection plane;
• a plurality of anode strips sets, wherein:
• respective anode strips in each respective anode strips set of the plurality of anode strips sets are equally spaced apart on a respective anode plane of a plurality of anode planes;
• each respective anode strips set of the plurality of anode strips sets is disposed between a respective pair of adjacent cathode films of the plurality of cathode films;
• and
• a top edge of each of the plurality of anode strips sets is disposed on the detection plane;
• a plurality of insulator films, each of the plurality of insulator films disposed between a respective cathode film of the plurality of cathode films and a respective anode strips set of the plurality of anode strips sets, each of the plurality of insulator films in contact with a respective cathode film of the plurality of cathode films and a respective anode strips set of the plurality of anode strips sets a top edge of each of the plurality of insulator films disposed on the detection plane;
• a conductive grid disposed in parallel with the detection plane and exposed to the ionizing radiation;
• and
• a drift region between the conductive grid and the detection plane, the drift region filled with a gas,
• wherein the radiation detector is configured to ionize the gas by generating an electric field inside the drift region responsive to:
• application of a first electric potential on each of the plurality of cathode films;
• application of a second electric potential larger than the first electric potential on each anode strip of the plurality of anode strips sets;
• and
• application of a third electric potential smaller than the first electric potential on the conductive grid.