A three-dimensional force flexible tactile perception sensor based on liquid metal micro-electronic printing and four-quadrant layout

By combining liquid metal microelectronic printing with a four-quadrant layout, the problems of insufficient force decoupling accuracy and anti-interference capability of three-dimensional force sensors are solved, realizing high-precision, low-crosstalk three-dimensional force measurement, adapting to high-reliability measurement under complex force fields, and possessing good biocompatibility and mass production capability.

CN122385045APending Publication Date: 2026-07-14JIANGSU AOLIWEI SENSING TECH +1
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Patent Information

Application Number
CN202610474473.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-11
Publication Date
2026-07-14

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Abstract

The application discloses a three-dimensional force flexible tactile perception sensor based on liquid metal microelectronic printing and four-quadrant layout in the technical field of sensors, which comprises a flexible substrate, a four-quadrant layout liquid metal electrode layer, a biomimetic structured elastic medium layer and a common electrode layer from bottom to top; wherein the flexible substrate is formed by adding a humectant and a crosslinking agent to gelatin and sodium alginate as raw materials, and the composite hydrogel is used as the flexible substrate; the four-quadrant liquid metal electrode layer uses liquid gallium-indium alloy as electrode material, and the electrode is printed on the flexible substrate, the electrode layout is a ring sector structure with a central angle of 90 degrees, and an insulating isolation gap is reserved between adjacent sectors; the biomimetic structured elastic medium layer adopts a PDMS micro-pyramid array structure. The sensor has low crosstalk, high precision and high reliability of three-dimensional force tactile perception. It can be applied to the fields of flexible tactile perception, soft robot and wearable health monitoring equipment.
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Citation Information

Patent Citations

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