Flat panel X-ray detector
AssigneeKabushiki Kaisha Toshiba
InventorsMitsushi Ikeda, Toshiyuki Oka, Mutsuki Yamazaki, Masaki Atsuta, Akira Kinno
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Abstract
A flat panel X-ray detector which includes an X-ray-charge conversion film converting incident X-rays into electric charges, and a pair of electrodes disposed in contact with both surfaces of the X-ray-charge conversion film The X-ray-charge conversion film has a laminate structure including a plurality of metal halide films differing in band gap from one another and laminated along direction of c-axis of hexagonal crystal structure, and halogen atoms contained in the plurality of metal halide films are of the same kind among them.
Claims20
A flat panel X-ray detector which comprises:
- an X-ray-charge conversion film converting incident X-rays into electric charges;
- and
- a pair of electrodes disposed in contact with both surfaces of said X-ray-charge conversion film;
- wherein said X-ray-charge conversion film has a laminate structure including a plurality of metal halide films laminated along a direction of a c-axis of a hexagonal crystal structure and differing in band gap from one another, halogen atoms contained in said plurality of metal halide films are of the same kind among them, and said plurality of metal halide films have about the same lattice constant.
A flat panel X-ray detector which comprises:
- an X-ray-charge conversion film converting incident X-rays into electric charge;
- pixel electrodes formed on said X-ray-charge conversion film to correspond with each of pixels which are arranged in a form of array;
- switching elements each electrically connected with each of said pixel electrodes;
- signal lines each electrically connected with said switching element of each row;
- scanning lines each electrically connected with said switching element of each column;
- and
- a common electrode which is disposed on one of the surfaces of said X-ray-charge conversion film, which is opposite to the surface where said pixel electrodes of said X-ray-charge conversion film are disposed;
- wherein said X-ray-charge conversion film has a laminate structure comprising a plurality of metal halide films laminated along a direction of a c-axis of a hexagonal crystal structure and differing in band gap from one another, the halogen atoms of the metal halide films are of the same kind with one another, and said plurality of metal halide films have about the same lattice constant.
Dependencies are inferred from the claim text.