Solid-state spark chamber for detection of radiation
Alves, Fabio Durante Pereira
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A combined semiconductor controlled circuit (CSCC) includes a semiconductor controlled switch (SCS). The SCS includes anode, cathode, anode gate and cathode gate terminals connected to P₁ anode, N₂ cathode, N₁ anode gate and P₂ cathode gate layers. The SCS also includes P-N junctions between P₁ anode and N₁ anode gate layers, N₁ anode gate and P₂ cathode gate layers and P₂ cathode gate and N₂ cathode layers. The CSCC also includes a Zener diode having a current path flowing from the cathode terminal to the anode gate terminal, a feedback resistor connecting cathode and cathode gate terminals and a substrate. A solid-state spark chamber includes a CSCC, a DC bias voltage source and an RC load having a parallelconnected load resistor and capacitor. The solid-state spark chamber also includes a plurality of measurement terminals and a ground. A method of making a solid-state spark chamber includes connecting the above components.
US 9,594,172 B1
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