Abstract: An oral sensor holder for holding a digital sensor is already known on the market. The digital sensor is placed in the oral cavity by means of this holder and then irradiated by an external radiation source, being an X-ray source. A relatively quick and relatively bright and clear dental photographic image can thus be obtained of the situation in the mouth, in particular the dental situation, of a person.

Abstract: The invention relates to an arrangement of a chemical-mechanical polishing tool for chemical-mechanical polishing a surface on a wafer, comprising a polishing pad (4), a drive unit (9), pressing means (6), a wafer holder (5), first dispensing means (7) and second dispensing means (8); the wafer holder for holding a wafer (W) being arranged at a holder location (L0); the pressing means (6) being arranged to press the wafer holder (5) to the polishing pad (4); the first dispensing means (7) for dispensing a first fluid on the polishing pad (4) being arranged at a first dispensing means location (L1); the second dispensing means (8) for dispensing a second fluid on the polishing pad (4) being arranged at a second dispensing means location (L2); the polishing pad (4) comprising a polishing surface for polishing the wafer (W), and the polishing pad (4) further being connected to the drive unit (9) for moving the polishing surface in a first direction (?1) relative to the holder location (L0); wherein the first di