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Updated: Jun 30, 2026

Hybrid Printing for the Fabrication of Smart Sensors

Hybrid Printing for the Fabrication of Smart Sensors

Published on: January 31, 2019

Fabric-Based Dual-Mode Pressure Sensor System with a Wide Detection Range Fabricated via Direct Laser Writing.

Wei Wang¹, Heng-Yu Guo¹, Wei Shao¹

¹College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China.

|June 29, 2026

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Researchers developed a simple, fabric-based dual-mode pressure sensor using direct laser writing (DLW). This innovative sensor significantly enhances detection capabilities and offers broader applications in safety and logistics.

Area of Science:

Materials Science
Sensor Technology
Nanotechnology

Background:

Dual-mode sensors offer superior detection range and thresholds compared to single-mode sensors.
Current fabrication methods for dual-mode pressure sensors are complex, costly, and hinder widespread adoption.
Fabric-based sensors present unique advantages for flexible and wearable applications.

Purpose of the Study:

To develop a simplified fabrication strategy for a fabric-based resistive-capacitive dual-mode pressure sensor system.
To evaluate the performance of the dual-mode sensor against single-mode sensors fabricated with the same method.
To explore novel applications for the dual-mode sensor system in areas like safety and logistics.

Main Methods:

Fabrication of a dual-mode pressure sensor system using direct laser writing (DLW).

Keywords:

Kevlar fabric direct laser writing dual-mode pressure sensor fabric-based sensor wide detection range

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Comparative analysis of dual-mode, resistive, and capacitive single-mode sensors fabricated via DLW.

Performance evaluation focusing on minimum detection threshold and pressure-detection range.

Main Results:

The dual-mode sensor demonstrated a 94.17% reduction in minimum detection threshold compared to single-mode sensors.
The pressure-detection range of the dual-mode sensor increased by 150%.
The DLW method simplified fabrication, reduced material consumption, and enabled integration with fabric functionalities.

Conclusions:

The developed direct laser writing (DLW) method offers a low-cost, efficient pathway for fabricating high-performance flexible dual-mode pressure sensors.
The fabric-based dual-mode sensor system has potential applications in physiological monitoring, safety helmets, and cargo monitoring.
Simplified fabrication and enhanced performance broaden the applicability of pressure sensors in road safety and logistics transportation.