Smart devices in the Internet of Things will use more and more sensors, and these sensors will change dramatically in the past. Advances in miniaturization, integration, and materials science have driven sensitivity limitations, space, and cost to define and what functions sensors can use and which they can perform.
new material
One of the advances in redefining sensors is the use of carbon nanotubes. These atomic-scale materials have incredible electrical, mechanical and physical properties. They carry electricity better than copper, provide more strength than steel and have better heat transfer than any other material. The use of carbon nanotubes to create improved prospects for sensors, versatility and sensitivity was previously impossible.
The new electronic article "Nanotechnology is ready to become mainstream" explains how carbon nanotubes are either natural or strongly specific gases due to functional reactions. To functionalize carbon nanotubes, "you just need to select the molecules you want to sense and connect them to the strongly interacting chemical groups outside the carbon nanotubes." The ability to customize carbon nanotubes will allow sensor manufacturers to customize devices To detect specific material needs. In addition, these sensors are capable of measuring substances at very low concentrations. For some gases, the sensitivity is very low tens of thousands.
Pack more punches into smaller packages
Other transformational advancements will lead to a better combination of materials and manufacturing technology. In the case of new time and inertial measurement units (IMU products), researchers at the University of Michigan Engineering have created a powerful device that provides multiple functions in a tiny form factor.
When the GPS fails, the Nanowerk article "This grain of electronic equipment can be enhanced" describes how the researchers built a 13 cubic millimeter package containing a master clock and six sensors to detect movement on six different axes. To make their ultra-small IMU, the researchers developed a manufacturing process that allowed them to stack and bond seven different device layers. This reduces the form factor of the unit from a baseball smaller than on corn kernels, opening up a whole new range of applications that can be sent to objects. Then, to increase the durability of the sensing module, engineers used fused silica (high-quality glass) instead of traditional silicon.
Overcome the bottom line
Increasing sensitivity, expanding versatility is good, while the size of the shape continues to shrink, it will open the evolution of the main obstacle sensor, and cost is still a key obstacle. As an industry leader predicts that if the Internet of Things is 2 billion US dollars, sensor-enabled devices will cost the angle sensor within the next five years. This is where 3D printing comes into play.
The MIT Technology Review article "A Battery and a" Bionic "Ear: Prompt for 3-e Printing Promise" describes recent developments in 3D printing, using micro-nozzles, inks containing metal nanoparticles, and photocurable resins, all of which are It is used to print functions as small as 1 micron, build micro battery modules, antennas, and optical structures. Although it has not been refined enough to produce advances in integrated electronics, doing 3D printing will change the implications of electronic devices. This additive technology is remarkable not only because it enables the production of microelectronic components, but also because it is expected to significantly reduce manufacturing costs.
Evolution, not revolution
All these technological advancements will change the sensor significantly, but it cannot be achieved overnight. Look at the loan increment between most types of sensors. But the sensors needed to perform increasingly complex functions to fit the ever-shrinking space, and in the short term the main makeover candidate for prime minister.
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