Filter for a radiation emitter and apparatus

• Main Authors: PENNEC XAVIER LE, TORCA MARTA DIEZ, BLIN PHILIPPE
• Format: Patent
• Language: English
• Published: 17.03.2005
• Edition: 7
• Subjects: DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

A filter plate having defects that may cause image artefacts is moved during an exposure. The movement distributes the defects of the plate in the image to a point where they can no longer be seen in the image. Preferably, the shifting of the plate is done in the plane of the plate, in a direction p...