A manufacturing method for a tactile sensor

A tactile sensor with a flexible silicone layer and embedded glitter particles addresses robustness and sensitivity issues, enabling precise force and shape sensing for delicate applications.

GB2624583BActive Publication Date: 2026-06-24SHADOW ROBOT CO LTD
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Patent Information

Authority / Receiving Office
GB · GB
Patent Type
Patents
Current Assignee / Owner
SHADOW ROBOT CO LTD
Filing Date
2022-07-20
Publication Date
2026-06-24

AI Technical Summary

Technical Problem

Existing tactile sensors, such as the TacTip and GelSight, are not robust enough for delicate applications due to material limitations and size constraints, and they fail to accurately measure tangential or normal forces and small surface vibrations.

Method used

A tactile sensor is manufactured using a flexible silicone layer with reflective glitter particles embedded on its inner surface, illuminated by LEDs, and captured by cameras to detect deformation and force changes, allowing for precise force and shape sensing.

Benefits of technology

The sensor provides high sensitivity to small forces and shape detection, with a dynamic range capable of distinguishing between varying forces, and is suitable for delicate applications.

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Abstract

A method of tactile sensor manufacture A method of tactile sensor manufacture comprises the steps of: i) choosing a flexible material; ii) arranging the flexible material to form a layer; iii) prepari
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