G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
Procede et appareil de determination de la position exacte d'une cible a l'aide d'un dispositif de reception subdivise en une multiplicite d'elements discrets sensibles aux rayonnements.