Patent ID: 7858949

Claim:
A high-energy, ionizing radiation detector comprising: a cathode chamber extending along a central longitudinal axis; a detector medium at high pressure, above one atmosphere, within said cathode chamber disposed to interact with incident high-energy photons or other radiation and generate electron-ion pairs; a support member centrally fixed within said cathode chamber, said support member having an internal cavity in which at least one electrical component configured to receive electrical signals is disposed and through which electrical signals are routed; and a plurality of anode segments supported by said support member and configured to generate at least a first electrical signal in response to electrons impinging thereon, said plurality of anode segments electrically connected to said at least one electrical component disposed within said support member and being spaced along a longitudinal surface of said support member and coaxially around said longitudinal surface of said support member, said plurality of anode segments having a physical displacement from said central longitudinal axis of said cathode chamber greater than a physical displacement of said longitudinal surface of said support member from said central longitudinal axis of said cathode chamber, wherein each of said plurality of anode segments does not define an individuated one of a collection of contiguous, insulated ionizing radiation detector cathode chambers.