Fig. 9
From: Large area flexible pressure/strain sensors and arrays using nanomaterials and printing techniques
Wireless pressure sensors (i) GR/PDMS sponge based pressure sensor with attached LC circuit (Reproduced by permission from [190] Copyright 2019,Nature) (ii) Fabric spacer based capacitive sensor with a ferrite film and LC passive antenna (Reproduced by permission from [180] Copyright 2019, Wiley) (iii) Tape based sensor fabrication and final integrated antenna based sensor (Reproduced by permission from [176] Copyright 2009, American Institute of Physics) (iv) Biodegradable micropyramidal patterned sensor with RF data transmission (Reproduced by permission from [181] Copyright 2019,Nature) (v) Schematic of external in vivo pressure measurement (Reproduced by permission from [191] Copyright 2005,Elsevier) (vi) Diaphragm based wireless antenna integrated sensor