Fig. 4: The contact and non-contact applications of flexible GMR devices.
From: An ultrathin, rapidly fabricated, flexible giant magnetoresistive electronic skin
a Schematic image showing the touchless interactions using the flexible GMR sensor array. b Optical image of the flexible GMR sensor array and magnetic skin on a human fingertip. c Magnetic response of the GMR sensor array when a finger approaches the top left corner. d Schematic images showing the pressure sensing using the flexible GMR sensor array. e, h Optical images of the flexible GMR sensor array and magnetic skin when pressures of 61.36 g and 180.89 g are applied. g Optical side images of the pressure sensing installation. f, i Magnetic response when pressures of 61.36 g and 180.89 g are applied
