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Content archived on 2024-05-07

Biomedical radiography and radioscopy using silicon microstrip sensors

Objective

The main objective of this project is to assess the potential benefits to medical radiography and radioscopy by the use of recent developments in the fields of silicon microstrip radiation sensors, VLSI electronics and information technology.

The primary objective of the proposed project is to investigate under 4 real conditions how much medical radiography and radioscopy, both local and remote, may benefit by the use of a silicon microstrip radiation; sensor. In order to meet this objective it is proposed to bring together in an inter disciplinary collaboration partners from the fields of radiography, medical physics, physics and technology, who will design, develop and test a small scale, prototype radiography system based on the silicon microstrip sensor. Existing silicon microstrip sensor know how, developed in the field of elementary particle physics over the last ten years, will be transferred and adapted to the field of medical radiography and radioscopy. The real life tests of the prototype will be in the fields of dental radiography and radioscopy, mammography and biological autoradiography. It is expected that the proposed radiography system will have definite advantages over common, film based systems, and that it will be superior to other recently developed high technology systems.

The proposed radiographic system will comprise the following:
a) A radiation sensor consisting of a silicon wafer, with closely spaced thin metal strips implanted on its front surface along two perpendicular directions, forming a fine rectangular grid. This silicon microstrip radiation sensor, when properly sensitised, has the property to produce on the metal strips electric signals characteristic of the impact point and the intensity of the X-rays or other ionising radiation impinging upon its surface;
b) Appropriate electronic units, which allow the sensitisation of the silicon microstrip sensor as well as the electronic processing of the electric signals formed on the metal strips by the radiation;
c) Appropriate supports structure and packaging of the silicon microstrip sensor and the electronics;
d) A personal computer (PC) with appropriate software, allowing to present theradiographic image on the PC screen in real time (radioscopy), and also to store (radiography)and process it.

The proposed radiography system, once constructed and laboratory tested, will be used for dental radiography, mammography and biological autoradiography, in order to assess in a small scale, but under representative, real conditions, its merits as compared with traditional, film based systems or other, recently developed digital systems. 03

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Funding Scheme

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Coordinator

University of Ioannina
EU contribution
No data
Address
Dourouti
45110 Ioannina
Greece

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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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Participants (6)

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