14‐1: Flexible Large‐Area Multi‐Fingerprint Sensors based on Thermal Mass Detection. Issue 1 (25th September 2020)

• Record Type: Journal Article
• Authors: De Roose, Florian; Mainguet, Jean-François; Gallaire, Didier; Martinent, Audrey; Torchia, Andrea; Emanuele, Umberto; Sinopoli, Stefano; Peeters, Bart; Akkerman, Hylke; van Breemen, Albert; Kronemeijer, Auke J.; Pouet, Marina; Steudel, Soeren; Myny, Kris
• Is Part Of: Digest of technical papers. Volume 51:Issue 1(2020)
• Page Start: 176
• Page End: 179
• Publication Date: 2020-09-25
• Subjects: Fingerprint sensor -- palmprint sensor -- thin-film -- PVDF -- P(VDF-TrFE) -- TFT -- a-IGZO -- flexible -- bendable; Information display systems -- Congresses; 621.3815422
• DOI: 10.1002/sdtp.13831
• Languages: English
• ISSNs: 0097-966X

Abstract

Abstract : This paper shows the concept and design of a flexible large‐area multi‐fingerprint sensor. The sensor detects the thermal mass of different materials, e.g. the skin with high heat capacity and air with very low heat capacity. We show the device architecture and readout strategies. The performance of the 500ppi flexible sensor is not influenced by bending with a radius of 5mm.