Before revision: Détecteurs SiPMSilicon Photomultiplier Technology at STMicroelectronics From SPAD to SiPM The dimension of each single SPAD can vary from 10 to 100 micrometres, and their density can be up to 10000 per square millimeter.
After revision: The dimension of each single SPAD can vary from 10 to 100 micrometres, and their density can be up to 10000 per square millimeter.