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The next generation of flexible sensors in printed electronics Print E-mail
Monday, 17 February 2014 02:59

There is a new generation of sensors that are directly printed on flexible plastic substrates. A recent study by IDTechEx has looked at 68 manufacturers of printed sensors worldwide and found that several emerging technologies will offer disruptive new features. The details have been published in a report entitled Printed and Flexible Sensors 2014-2024: Technologies, Players, Forecasts.

Printing sensing devices is not a novelty. For instance, many vaccines shipped across the world now have a printed temperature label which alerts medical staff if the cold chain has been broken during transport and storage. However, these labels are not electronic devices: the ink undergoes a chemical reaction and changes colour when the temperature is too high. 

Electronic sensors are usually more complex and manufacturing can therefore be more challenging. There are multiple layers of materials and the devices require metal interconnects. The manufacturing technique is selected based on the material properties, cost, and the resolution. For many years, printing (and in particular screen-printing) has been used to make sensors based on specialized ceramic materials. The problem is that these sensors require a sintering process which makes them incompatible with plastic components, due to melting and deformation.

In contrast, the new sensors are based on inks that can be printed directly on plastic substrates. They offer advantages such as flexibility, thinness, light weight and, in some cases, the potential to be manufactured with roll-to-roll equipment. What it means is that these sensors will be able to go where no sensor has gone before. For example, think of curved surfaces, ultra-thin devices or shock-resistant devices. 

While there are many flexible sensors still in early R&D phase, IDTechEx has identified the technologies that are emerging and now near commercialization. Those are:

• Printed gas sensors on plastic

• Printed temperature sensors

• Flexible photodetectors

• Flexible piezoelectric sensors

• Flexible digital X-ray sensors

 

2014 will be the year when some of these sensors will start shipping to end users. By 2020, the combined market value of the sensor modules will be worth almost $120 million

 

 

 

 

Discover more by IDTechEx

 

For more information see Printed and Flexible Sensors 2014-2024: Technologies, Players, Forecasts and other IDTechEx Research reports.

 

Conference attendees at the forthcoming IDTechEx event Printed Electronics Europe 2014 (1-2 April 2014, Berlin), have the opportunity to hear from over 190 international speakers. These include presentations from Peratech, ISORG, Canatu, Electrolux, Clothing+ and more who, will be covering many new sensor technology developments.

 

By Dr Guillaume Chansin, Technology Anaylst, IDTechEx

 

 

Last Updated on Tuesday, 18 February 2014 05:59

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