Radiation detector, radiation detector element, and radiation imaging apparatus

A radiation detector comprising:

• a shield which shields radiation and has a plurality of through-holes;
• a rod-shaped first electrode disposed in each of said through holes, a semiconductor device which surrounds an ambience of said first electrode and comes into contact with said first electrode and into which radiation enters, and a second electrode provided for a side surface of said semiconductor device, wherein a part of said first electrode is projected from an edge surface of said semiconductor device where said second electrode is not provided;
• an element holding member to which said radiation detector elements are detachably attached;
• wherein a first electric connecting portion which comes into contact with said first electrode is provided for said element holding member and a second electric connecting portion which comes into contact with said second electrode is provided in each of said through-holes of said shield;
• an integrated circuit for processing a radiation detection signal outputted from said signal output electrode of each of said plurality of radiation detector elements;
• an integrated circuit holding member on which said integrated circuit is arranged,
• wherein said element holding member has a plurality of first connector portions separately connected to said plurality of first electric connecting portions and a second connector connected to each of said plurality of second electric connecting portions, and
• said integrated circuit holding member has a plurality of third connector portions which are connected to said integrated circuit and are separately and detachably attached to said plurality of first connector portions and a fourth connector portion which is detachably attached to said second connector and applies a voltage.

A radiation detector element comprising:

• a plurality of semiconductor devices, into which incident radiation enters in a first direction, said plurality of semiconductor devices being arranged in parallel to a second direction, said second direction being perpendicular to said first direction;
• a first electrode which is arranged between adjacent semiconductor devices of said plurality of semiconductor devices, said first electrode comes into contact with first side surfaces of said adjacent semiconductor devices, wherein said first electrode is projected from an edge surface of said adjacent semiconductor devices, said edge surface being located along said first direction;
• a second electrode which comes into contact with second side surfaces of said adjacent semiconductor devices, said second side surfaces being located along said second direction;
• a plurality of radiation detector elements, in which one of said first electrode and said second electrode is a signal output electrode for outputting a radiation detection signal and the other electrode is a voltage applying electrode;
• an element holding member which detachably holds said plurality of radiation detector elements and has a plurality of first electric connecting portions which come into contact with said signal output electrode and a plurality of second electric connecting portions which come into contact with said voltage applying electrode;
• an integrated circuit for processing the radiation detection signal outputted from said signal output electrode of each of said plurality of radiation detector elements;
• and
• an integrated circuit holding member on which said integrated circuit is arranged,
• wherein said element holding member has a plurality of first connector portions separately connected to said plurality of first electric connecting portions and a second connector connected to each of said plurality of second electric connecting portions, and
• said integrated circuit holding member has a plurality of third connector portions which are connected to said integrated circuit and are separately and detachably attached to said plurality if first connector portions and a fourth connector portion which is detachably attached to said second connector and applies a voltage.

A radiation detector comprising:

• a shield which shields incident radiation and has a plurality of through-holes;
• radiation detector elements arranged in each of said through-holes;
• a plurality of semiconductor devices into which said incident radiation enters along a first direction, said plurality of semiconductor devices being arranged in parallel with a second direction which is perpendicular to said first direction;
• a first electrode which is arranged between adjacent semiconductor devices of said plurality of semiconductor devices, wherein said first electrode comes into contact with side surfaces of said adjacent semiconductor devices;
• and
• a second electrode which comes into contact with second side surfaces of said adjacent semiconductor devices, said second side surfaces being located along said second direction,
• wherein said first electrode is projected from one edge surface located along said first direction of said adjacent semiconductor devices, and wherein a width of said first electrode is narrower than a width of said second electrode;
• an element holding member which detachably holds said radiation detector elements;
• a plurality of first electric connecting portions which come into contact with a signal output electrode disposed at said element holding member, and a plurality of second electric connecting portions which come into contact with a voltage applying electrode in each of said through-holes of said shield;
• an integrated circuit for processing a radiation detection signal outputted from said signal output electrode of each of said plurality of radiation detector elements;
• an integrated circuit holding member on which said integrated circuit is arranged,
• wherein said element holding member has a plurality of first connector portions separately connected to said plurality of first electric connecting portions and a second connector connected to each of said plurality of second electric connecting portions, and
• wherein said integrated circuit holding member has a plurality of third connector portions which are connected to said integrated circuit and are separately and detachably attached to said plurality of first connector portions and a fourth connector portion which is detachably attached to said second connector and applies a voltage.