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However, soft strain sensors generally cannot distinguish in\u2010plane strain from normal stress. For example, stretching a sensor often gives a similar signal to pressing the sensor. To solve this problem, a liquid metal (LM)\u2010interdigitated capacitive strain sensor that is insensitive to normal stress is introduced. The sensor contains LM\u2010interdigitated electrodes prepared by vacuum filling of LM into lithographically defined microchannels. The capacitance between the LM electrodes decreases with increasing strain due to geometric changes. Because of the liquid nature of the electrodes, the sensor exhibits high stretchability (100% strain) and repeatability with gauge factor of \u22120.3. Due to the elasticity of the device, the sensor has low hysteresis (&lt;1%) and no crosstalk between strain and normal stress sensing. These types of soft sensors may find use in wearable devices.<\/jats:p><\/jats:sec>","DOI":"10.1002\/aisy.202100201","type":"journal-article","created":{"date-parts":[[2021,12,22]],"date-time":"2021-12-22T02:15:44Z","timestamp":1640139344000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":62,"title":["Liquid Metal Interdigitated Capacitive Strain Sensor with Normal Stress Insensitivity"],"prefix":"10.1002","volume":"4","author":[{"given":"Dongguang","family":"Zhang","sequence":"first","affiliation":[{"name":"College of Mechanical and Vehicle Engineering Taiyuan University of Technology  Taiyuan 030024 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Mechanical and Vehicle Engineering Taiyuan University of Technology  Taiyuan 030024 P. R. 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