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Fig. 5 | Nano Convergence

Fig. 5

From: Ink-lithographic fabrication of silver-nanocrystal-based multiaxial strain gauge sensors through the coffee-ring effect for voice recognition applications

Fig. 5

a Photograph of the alternately printed Ag NC thin films attached to the neck of a speaker; inset shows a photograph of the strain sensors on a Post-it note. b Phonation waveforms of pie and buy recorded using a reference microphone. Changes in resistance of alternately printed Ag NC thin films attached to the neck for phonating c pie and d buy. e Repetition test for productions of pie and buy

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