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US 6,784,433 B2Granted
High resolution detector for X-ray imaging
AssigneeEdge Medical Devices Ltd.
InventorAlbert Zur
Life of this patent
Estimating the term…
Abstract
An ionizing radiation image sensor and a method for ionizing radiation imaging, including an ionizing radiation sensitive element, a generally pixellated array of capacitors cooperating with the ionizing radiation sensitive element and a charge source, which is operative to electrically charge the pixellated array of capacitors through a gap.
Claims23
An ionizing radiation image sensor including:
- an ionizing radiation sensitive element;
- a generally pixellated array of capacitors cooperating with said ionizing radiation sensitive element;
- and
- a charge source which is operative to electrically charge the pixellated array of capacitors through a gap.
1 more element
An ionizing radiation image sensor including:
- an ionizing radiation conversion multilayer element which is operative to convert impinging ionizing radiation to electrical charge;
- an external charge source which is operative to emit electrical charge;
- and
- an array of storage capacitors disposed between said ionizing radiation conversion multilayer element and said external charge source, said storage capacitors being operative to sink charge to or source charge from said ionizing radiation conversion multilayer element and to sink charge to or source charge from said external charge source.
1 more element
An ionizing radiation image readout device including:
- an ionizing radiation sensitive element operative to convert impinging X-ray radiation to an electrical charge image;
- and
- a storage capacitor array operative to store said electrical charge image and including:
- a matrix array of plate electrodes;
- and
- a linear array of elongate electrodes,
- wherein the storage capacitor array is addressed via said plate electrodes and a charge image readout is carried out via said elongate electrodes.
4 more elements
An ionizing radiation imager including:
- a first array of storage capacitors which is operative to store a charge pattern representing an ionizing radiation image at a first resolution;
- a second array of storage capacitors, capacitively coupled to said first array of storage capacitors, which is operative to store a charge pattern representing said ionizing radiation image at a second resolution;
- integrated radiation data readout electronics connected to said first array of storage capacitors;
- and
- real-time radiation data readout electronics connected to said second array of storage capacitors.
2 more elements
A method for ionizing radiation imaging and including:
- providing an ionizing radiation sensitive element including an array of storage capacitors coupled thereto;
- charging said array of storage capacitors to a generally uniform voltage level using a non-contact proximity charge source;
- exposing said ionizing radiation sensitive element to impinging ionizing radiation causing imagewise discharge of said charged array of storage capacitors thus creating an electrical charge pattern therein corresponding to an ionizing radiation image;
- and
- charging said array of storage capacitors to a generally uniform voltage level using a non-contact proximity charge source thereby causing readout of said an electrical charge pattern.
2 more elements
A method for ionizing radiation imaging including:
- providing an ionizing radiation conversion multilayer element which is operative to convert impinging ionizing radiation to electrical charge;
- causing an external charge source to emit electrical charge;
- and
- causing an array of storage capacitors disposed between said ionizing radiation conversion multilayer element and said external charge source to sink charge to or source charge from said ionizing radiation conversion multilayer element and to sink charge to or source charge from said external charge source.
1 more element
An ionizing radiation image readout method comprising:
- causing an ionizing radiation sensitive element to convert impinging X-ray radiation to an electrical charge image;
- and
- storing said electrical charge image on a storage capacitor array including a matrix array of plate electrodes and a linear array of elongate electrodes;
- addressing said storage capacitor array via said plate electrodes;
- and
- reading out said electrical charge image via said elongate electrodes.
3 more elements
A method for ionizing radiation imaging comprising:
- causing a first array of storage capacitors to store a charge pattern representing an ionizing radiation image at a first resolution;
- causing a second array of storage capacitors, capacitively coupled to said first array of storage capacitors, to store a charge pattern representing said ionizing radiation image at a second resolution;
- reading out real-time radiation image data from said second array of storage capacitors;
- and
- reading out integrated radiation image data from said first array of storage capacitors.
2 more elements
Dependencies are inferred from the claim text.