3D Photon-To-Digital Converter for Radiation Instrumentation: Motivation and Future Works. - Jean-François Pratte; Frédéric Nolet; Samuel Parent; Frédéric Vachon; Nicolas Roy 002; Tommy Rossignol; Keven Deslandes; Henri Dautet; Réjean Fontaine; Serge A. Charlebois (Sensors, 2021)