Ceramic are used in a wide range of applications such as temperature sensors, controllers, infrared detectors, voltage regulators, and delay devices due to their many excellent properties and negative temperature coefficient. [1][2] Moreover, ternary spinel compounds, i.e. (Mn 3x-y Co x Ni y )O 4 (MCN), render promising electrical properties due to their easy fabrication and outstanding properties. 3,4,5 Recently, the high sensitivity to temperature changes and fast response NTC materials are urgently needed for use in special environments, such as flexible temperature sensor, biomaterials, food engineering, and heat flow. Microbead NTC thermistors present several advantages, such as relative small size, fast responses, and lower energy consumption. 6,7 As a novel additive manufacturing (AM) technique, ink-jet printing (IJP) has been widely used to fabricate numerous materials such as Li-ion batteries and sensors. 8,9 Comparing

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