Monolithic Active Pixel Sensor
A monolithic active pixel sensor (MAPS) is a type of CMOS active-pixel sensor optimized for detection of the ionizing radiation rather than the visible light. In MAPS, both the sensor and the readout electronics are integrated onto the same silicon substrate. The term ''monolithic'' is used to distinguish CMOS APS from Hybrid pixel detector, hybrid pixel detectors in which the sensor and the readout electronics are on two different substrates, normally connected by bump-bonding. MAPS-based detectors offer exceptional spatial resolution at low Noise (electronics), noise, power consumption, Radiation length, material budget, and cost. Their most significant application lies in Particle physics, high-energy physics experiments, particularly those that require coverage of large areas and moderate radiation hardness, such as the ALICE experiment at the CERN Large Hadron Collider. History MAPS technology was initially developed in the 1990s as an alternative to traditional charge-c ...
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